Anne Hensler Vs. City Of Davenport , 2010 Iowa Sup. LEXIS 111 ( 2010 )


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  •                IN THE SUPREME COURT OF IOWA
    No. 09–0608
    Filed November 12, 2010
    ANNE HENSLER,
    Appellee,
    vs.
    CITY OF DAVENPORT,
    Appellant.
    Appeal from the Iowa District Court for Scott County, Gary D.
    McKenrick, Judge.
    A city appeals a decision holding its ordinance unconstitutional
    and awarding attorney fees to the plaintiff. The plaintiff cross-appeals
    the award of attorney fees. APPEAL AFFIRMED IN PART, REVERSED
    IN    PART,   AND   REMANDED;      CROSS-APPEAL      REVERSED      AND
    REMANDED.
    Thomas D. Warner, Davenport, and Christopher S. Jackson,
    Davenport, for appellant.
    Randall C. Wilson of ACLU of Iowa Foundation, Des Moines, and
    Michael J. McCarthy of McCarthy, Lammers & Hines, Davenport, for
    appellee.
    2
    WIGGINS, Justice.
    The City of Davenport appeals a district court order finding its
    parental responsibility ordinance unconstitutional. The city also appeals
    the amount of the attorney fees awarded to the plaintiff. The plaintiff
    cross-appeals the attorney fee award.         On appeal, we find the
    presumption of failure to exercise reasonable parental control under the
    Davenport Parental Responsibility Ordinance is unconstitutional and
    sever the unconstitutional portion of the ordinance from the remainder of
    the ordinance. We also vacate the attorney fee award and remand the
    case to the district court to reconsider its attorney fee award by
    considering the level of the plaintiff’s success as one of the factors in
    determining reasonable attorney fees. Accordingly, we affirm in part and
    reverse in part the judgment of the district court, remand the case to the
    district court to reconsider its award of attorney fees, and enter judgment
    consistent with this opinion.
    I. The Davenport Parental Responsibility Ordinance.
    On July 21, 1999, the Davenport City Council adopted ordinance
    9.56, entitled “Parental Responsibility.” The ordinance’s stated purpose
    is to “preserve the peace, safety, health and welfare of the citizens of
    Davenport, Iowa, and the city’s visitors and guests.”    Davenport Mun.
    Code § 9.56.010 (2006). The ordinance further states its findings and
    remedial objectives as follows:
    The city council finds that there has been an increase in the
    number of criminal acts committed by juveniles. The city
    council further finds that those who bring children into the
    world, or those who assume a parenting role, but who fail to
    effectively teach, train, guide and control them, should be
    accountable to the community under the law. Those who
    need assistance and training should be aided; those who
    neglect their parenting duties should be encouraged to be
    more diligent, through civil sanctions, if necessary. This
    chapter should be construed to achieve these remedial
    3
    objectives by addressing situations where parents or
    guardians have failed or neglected to act responsibly or
    reasonably in the supervision of their minor children.
    
    Id. There is
    no legislative history supporting passage of the ordinance
    beyond the minutes of the Davenport City Council’s meetings, which only
    record the council members’ votes.
    The liability portions of the ordinance provide as follows:
    9.56.020    Definitions.
    The following words shall have the following meanings
    when used in this chapter, unless a different meaning is
    clear from context or usage.
    A. “Parent” means a father, mother, legal guardian or
    any other person having or who has assumed the care,
    control or custody in the sense that the child lives with them
    and they look after that child, either by court order or on a
    voluntary basis.
    B. “Minor” means any person who has not attained
    the age of eighteen years old.
    C. “Adjudication” means that a juvenile court has
    entered a finding of fact that a minor has committed a
    delinquent act as defined by Iowa law.
    D. “Informal adjustment” means a disposition of a
    juvenile investigation or case which results in a nonjudicial
    admission of guilt and nonjudicial agreement between
    juvenile court services and a minor. For purposes of this
    chapter a consent decree as provided for by Iowa law shall be
    deemed an informal adjustment.
    E. “Occurrence” means a law enforcement agency has
    probable cause to believe a particular child engaged in a
    delinquent act and has filed a delinquency complaint with
    the court based upon such probable cause or has otherwise
    taken said child into custody.
    9.56.030    Parental responsibility.
    The parent of a minor shall not fail to exercise
    reasonable control over said minor.
    9.56.040    Parental duties.
    A. It is the duty of the parent of a minor child or
    minor children to exercise sufficient control over a said
    4
    minor(s) to prevent the minor(s) from committing any
    unlawful act in violation of federal law, state law or city
    ordinance. Any occurrence is a breach of this duty.
    A second occurrence or an adjudication or the entry of
    an informal adjustment agreement involving a minor related
    to any unlawful act, and prior notification to the parent of
    the parental responsibility ordinance including notice of
    possible fines or penalties establishes a rebuttable
    presumption that the parent failed to exercise reasonable
    parental control of said parent’s minor(s).
    B. The presumption that a parent has failed to
    exercise reasonable parental control of a minor may be
    rebutted by evidence that establishes that the parent:
    1. Kept illegal drugs and/or weapons out of the home;
    and kept legal weapons locked and inaccessible to minors.
    2. Took reasonable and responsible efforts to require
    their minor to observe the curfew ordinance.
    3. Took reasonable and responsible actions to insure
    that their minor regularly attended school sessions and
    limited school absences to situations approved by the
    parent.
    4. Arranged adequate supervision of their minor child
    by a competent adult under circumstances when the parent
    was unable to personally supervise their child.
    5. Took reasonable and responsible action to prevent,
    deter or report their minor child’s involvement in unlawful
    activity in violation of federal law, state law or city ordinance;
    i.e., reported stolen property to police, turned in illegal or
    dangerous weapons to the police, prevented the minor’s
    association with known juvenile delinquents.
    6. Sought assistance from appropriate agencies prior
    to the adjudication or informal adjustment.
    
    Id. §§ 9.56.020–.040
    (emphasis added).         Finally, the penalties the
    ordinance imposes increase with subsequent “occurrences:”
    9.56.050     Penalties.
    Any person who violates this chapter shall be guilty of
    a municipal infraction violation. A separate and distinct
    offense shall be regarded as being committed each day on
    which such person violates the provisions of this chapter.
    5
    A. Upon the occurrence of a first offense the city will
    issue the parent a warning letter which states that the
    parent is in violation of the parental responsibility ordinance
    together with a description of the nature of the parent’s
    violation and a statement setting forth the fines and/or
    consequences of future violations.
    B. Upon the occurrence of a second offense the parent
    will be ordered to attend and successfully complete a
    recognized course of instruction on parenting skills and/or
    techniques. A parent failing to successfully complete such
    course may be subject to contempt of court.
    C. Upon the occurrence of a third or subsequent
    offense the penalty shall be a civil penalty in amount of at
    least one hundred dollars but not more than seven hundred
    fifty dollars and such other order, if any, that the court
    deems equitable.
    
    Id. § 9.56.050.
    II. Background Facts and Proceedings.
    Anne Hensler is a registered nurse living in Davenport. Anne has
    three children, Holly (fifteen), Nicholas (seventeen), and Peter (nineteen).
    Holly and Nicholas still live with Anne. Approximately fourteen years ago
    Anne was divorced, and since that time she has raised Holly, Nicholas,
    and Peter on her own with help from her mother and father.           Anne’s
    mother was especially helpful and was a substantial influence in the
    lives of Anne’s children.   Anne’s children were well behaved and good
    students.   Nicholas excelled in math and science, was an honor roll
    student, and was a member of the math club and science club. However,
    at the end of 2004 Anne’s mother suddenly became terminally ill and
    died in December. Anne’s children were very close to her, and her death
    shocked everyone.
    Soon after the death of Anne’s mother, kids at school began calling
    Nicholas “brainiac,” and in response, Nicholas began to withdraw and did
    not want to go to school.      Nicholas began talking less and started
    hanging out with different friends who Anne did not know. His grades
    6
    began to drop, and he stopped participating in sports, as well as the
    math and science clubs. He became strong willed and difficult to control.
    By this time, Nicholas was approximately 6′2″ tall and weighed
    approximately 200 pounds.       Due to his size, his mother could not
    physically control him.
    On November 30, 2007, Anne first learned Nicholas was smoking
    marijuana when the Davenport police caught him smoking marijuana
    with other minors in a school parking lot at 4:11 a.m. The police took
    Nicholas into custody for violation of the city’s curfew ordinance and
    possession of a controlled substance. The school gave Nicholas a three-
    day suspension. The police referred him to the juvenile court due to this
    incident.    In addition, the city issued Anne a “Parental Responsibility
    Ordinance Warning Letter” for her first violation of the ordinance. After
    this incident, Nicholas continued to smoke marijuana, sneak around,
    and cut class. The school would call Anne and tell her when Nicholas
    was missing from school periods, and she resorted to going to the school
    periodically to make sure he was in class.      Anne also began reading
    parenting books to try to figure out how to cope with Nicholas’s behavior.
    On December 13 at approximately 9:51 p.m., Davenport police
    officers stopped a vehicle occupied by three minors for traffic violations
    and discovered two marijuana pipes and a baggie with marijuana residue
    in it. Nicholas was one of the passengers of the vehicle, and the police
    transported him to the station because he was being uncooperative at
    the scene.     The police issued Nicholas citations for possession of a
    controlled substance and possession of drug paraphernalia. The police
    summoned Anne to the station and issued her a municipal citation for
    her second violation of the ordinance. Due to this incident, the police
    again referred Nicholas to the juvenile court system. Before the juvenile
    7
    court appointment took place, the Davenport police picked up Nicholas
    again on a third charge. Nicholas ran away from home and stayed with
    some of his friends after Anne attempted to strictly enforce her rules.
    At the juvenile court appointment, the court ordered Nicholas to
    participate in a drug rehabilitation program and placed him on
    probation.    Anne paid for the drug rehabilitation program.     Anne also
    voluntarily took a parenting class entitled “Love and Logic” because she
    thought there was something she needed to learn.          Upon taking the
    parenting class, Anne found she did all the things that were suggested to
    prevent juvenile delinquency.
    Anne filed a motion to dismiss the municipal citation for her
    second violation of the ordinance. However, before the hearing on the
    motion to dismiss, Anne filed a civil rights petition, under 42 U.S.C.
    § 1983 (2006), against the City of Davenport for declaratory and
    injunctive relief. Anne claimed the ordinance violates her right to due
    process of law. Anne also claimed the enactment of the state juvenile
    laws preempted the city’s power to enact the ordinance.          The court
    stayed Anne’s motion to dismiss until her civil rights petition was
    resolved.
    In its ruling on Anne’s civil rights claim, the district court
    concluded Anne failed to prove any legislative enactment of the state
    legislature preempted the ordinance.        The court also rejected Anne’s
    procedural due process challenge.        The court did determine, however,
    that the ordinance violated Anne’s substantive due process rights under
    the United States and Iowa Constitutions.        Based on this civil rights
    violation, the court awarded attorney fees in favor of Anne’s attorneys for
    $20,857.40.
    8
    The city appeals these rulings.   Anne cross-appeals the attorney
    fee award.
    III. Issues.
    The city contends the district court erred in holding the ordinance
    is a denial of substantive due process. Alternatively, the city claims if
    the ordinance denies substantive due process, the attorney fees awarded
    were excessive.   In response to the city’s arguments, Anne claims the
    ordinance violated her substantive due process rights. If the ordinance
    does not violate her substantive due process rights, she urges alternative
    grounds upon which we can affirm the district court’s decision. First,
    she claims the ordinance violates her substantive due process rights by
    interfering with her fundamental right to parent. Next, she claims the
    juvenile laws contained in Iowa Code chapter 232 (2007) preempt the
    ordinance. Finally, she claims the ordinance contains an irrational and
    unfair presumption that if a minor violates the law, the court can
    presume the violation was a result of the parent’s failure to exercise
    reasonable parental control over the minor. In her cross-appeal, Anne
    claims the attorney fee award was inadequate.
    IV. Scope of Review.
    We review constitutional claims de novo. Formaro v. Polk County,
    
    773 N.W.2d 834
    , 838 (Iowa 2009); Ames Rental Prop. Ass’n v. City of
    Ames, 
    736 N.W.2d 255
    , 258 (Iowa 2007). In doing so, we independently
    evaluate the totality of the circumstances.     State v. Shanahan, 
    712 N.W.2d 121
    , 131 (Iowa 2006). The district court’s findings of fact are not
    binding. 
    Id. We do,
    however, give deference to those findings because
    the district court had the opportunity to assess the credibility of the
    witnesses. 
    Id. Moreover, “
    ‘statutes are cloaked with a presumption of
    constitutionality.’ ” State v. Seering, 
    701 N.W.2d 655
    , 661 (Iowa 2005)
    9
    (quoting State v. Hernandez-Lopez, 
    639 N.W.2d 226
    , 233 (Iowa 2002)). If
    the statute is capable of being construed in more than one way, one of
    which is constitutional, we must adopt the constitutional construction.
    
    Id. Our review
    as to whether state law preempts the ordinance is a
    matter of statutory construction and is reviewable for correction of errors
    at law. City of Davenport v. Seymour, 
    755 N.W.2d 533
    , 537 (Iowa 2008).
    V. Substantive Due Process.
    The district court found the ordinance to violate substantive due
    process as being overbroad on its face and in its application. In support
    of its ruling, the district court cited as authority State v. Bower, 
    725 N.W.2d 435
    , 443–44 (Iowa 2006), and City of Chicago v. Morales, 
    527 U.S. 41
    , 52, 
    119 S. Ct. 1849
    , 1857, 
    144 L. Ed. 2d 67
    , 77–78 (1999).
    Although the district court cited both the Iowa and United States
    Constitutions’ Due Process Clauses in its ruling, Morales was decided
    under the United States Constitution.              
    Morales, 527 U.S. at 53
    , 119
    S. Ct. at 
    1857, 144 L. Ed. 2d at 78
    . While we decided Bower under the
    state and federal constitutions, we interpreted the Iowa Constitution
    claim as we would the United States Constitution claim because Bower
    did not suggest a reason to interpret the two constitutions differently.
    
    Bower, 725 N.W.2d at 441
    . Moreover, on appeal Anne does not cite the
    Iowa Constitution in her brief on this issue. Accordingly, we will decide
    this case only under the United States Constitution’s Due Process
    Clause. 1
    1Even  if we could find Anne argued and preserved an Iowa Constitution claim on
    appeal by citing a paragraph from the district court’s decision, we would still decide the
    case by applying the general principles as outlined by the Supreme Court in
    interpreting the United States Constitution because neither party has advanced a
    standard for interpreting the due process clause under the Iowa Constitution differently
    from its Federal Constitution counterpart. See State v. Bruegger, 
    773 N.W.2d 862
    , 883
    (Iowa 2009) (applying the Supreme Court’s analysis to a cruel-and-unusual-
    punishment challenge under the Iowa Constitution when the defendant did not argue
    10
    We believe the district court’s reliance on Bower and Morales is
    misplaced.     Bower involved the interpretation of a harassment-of-a-
    public-official statute. 
    Bower, 725 N.W.2d at 439
    –40. There, the statute
    in question criminalized conduct that willfully prevents or attempts to
    prevent any public officer or employee from performing the officer’s or
    employee’s duties.       
    Id. at 441.
          The conduct in question involved
    defendant’s speech and his close proximity to a police officer when the
    officer was investigating another incident. 
    Id. at 439–40.
    In Bower, we
    interpreted the statute narrowly in order to prevent it from being
    overbroad. 
    Id. at 444.
    In doing so, we relied on the following law from
    the Supreme Court:
    “First, because we assume that man is free to steer between
    lawful and unlawful conduct, we insist that laws give the
    person of ordinary intelligence a reasonable opportunity to
    know what is prohibited, so that he may act accordingly.
    Vague laws may trap the innocent by not providing fair
    warning.        Second, if arbitrary and discriminatory
    enforcement is to be prevented, laws must provide explicit
    standards for those who apply them.             A vague law
    impermissibly delegates basic policy matters to policemen,
    judges, and juries for resolution on an ad hoc and subjective
    basis, with the attendant dangers of arbitrary and
    discriminatory application.      Third, but related, where a
    vague statute ‘abut[s] upon sensitive areas of basic First
    Amendment freedoms,’ it ‘operates to inhibit the exercise of
    [those] freedoms.’      Uncertain meanings inevitably lead
    citizens to ‘steer far wider of the unlawful zone . . . than if
    the boundaries of the forbidden areas were clearly marked.’ ”
    
    Id. at 441–42
    (quoting Grayned v. City of Rockford, 
    408 U.S. 104
    , 108–09,
    
    92 S. Ct. 2294
    , 2298–99, 
    33 L. Ed. 2d 222
    , 227–28 (1972)) (alterations in
    ________________________
    for a different interpretive standard). We jealously guard it as our right and duty to
    differ from the Supreme Court, in appropriate cases, when construing analogous
    provisions in the Iowa Constitution. State v. Olsen, 
    293 N.W.2d 216
    , 219–20 (Iowa
    1980).    Thus, we always retain the exclusive prerogative to interpret the Iowa
    Constitution more restrictively than the Supreme Court has interpreted comparable
    language in the Federal Constitution. 
    Id. at 219.
                                              11
    original). In Bower, basic First Amendment freedoms were involved. 
    Id. at 443–44.
    In Morales, the Supreme Court was dealing with an antiloitering
    ordinance. 
    Morales, 527 U.S. at 45
    –46, 119 S. Ct. at 
    1854, 144 L. Ed. 2d at 74
    . There, the Supreme Court recognized “the overbreadth doctrine
    permits the facial invalidation of laws that inhibit the exercise of First
    Amendment rights if the impermissible applications of the law are
    substantial when ‘judged in relation to the statute’s plainly legitimate
    sweep.’ ” 
    Id. at 52,
    119 S. Ct. at 
    1857, 144 L. Ed. 2d at 77
    –78 (plurality
    opinion) (quoting Broadrick v. Oklahoma, 
    413 U.S. 601
    , 615, 
    93 S. Ct. 2908
    , 2918, 
    37 L. Ed. 2d 830
    , 842 (1973)).                 In Morales, defendants
    convicted under the antiloitering law claimed the law inhibited their First
    Amendment rights. Id. at 52–
    53, 119 S. Ct. at 1857
    , 144 L. Ed. 2d at 78.
    In the present case, the district court relied on the overbreadth
    doctrine that is applicable to laws infringing on a person’s First
    Amendment rights to hold the ordinance invalid on its face. Anne does
    not claim the ordinance infringes on her First Amendment rights.
    Therefore, the overbreadth doctrine in Bower and Morales is not
    applicable to the ordinance. 2
    2The   Supreme Court has recognized, however, the existence of another
    overbreadth doctrine that may invalidate a law on its face when First Amendment rights
    are not implicated. See United States v. Salerno, 
    481 U.S. 739
    , 745, 
    107 S. Ct. 2095
    ,
    2100, 
    95 L. Ed. 2d 697
    , 707–08 (1987). Under this doctrine, “the challenger must
    establish that no set of circumstances exists under which the [ordinance] would be
    valid.” 
    Id. There is
    a question whether Salerno’s overbreadth doctrine is still viable
    when First Amendment rights are not implicated. Compare Hotel & Motel Ass’n of
    Oakland v. City of Oakland, 
    344 F.3d 959
    , 971–72 (9th Cir. 2003) (abiding by Salerno’s
    overbreadth doctrine), with A Woman’s Choice-E. Side Women’s Clinic v. Newman, 
    305 F.3d 684
    , 687 (7th Cir. 2002) (discussing the continued viability of Salerno). In her
    brief, Anne does not argue for another overbreadth doctrine other than the one used in
    Bower and Morales applying to laws infringing on First Amendment rights. Anne also
    failed to argue on appeal that the ordinance was “void for vagueness” or that it is
    enforced arbitrarily and discriminatorily so as to violate the Due Process Clause of the
    United States Constitution. Additionally, Anne abandoned her procedural due process
    12
    VI.    Whether the Ordinance Violates Anne’s Due Process
    Rights by Interfering with Her Fundamental Right to Parent.
    The Federal Constitution precludes deprivations of “life, liberty, or
    property, without due process of law.”              U.S. Const. amend. XIV, § 1.
    Substantive due process “prevents the government from interfering with
    ‘rights implicit in the concept of ordered liberty.’ ” 
    Hernandez-Lopez, 639 N.W.2d at 237
    (quoting United States v. Salerno, 
    481 U.S. 739
    , 746, 
    107 S. Ct. 2095
    , 2101, 
    95 L. Ed. 2d 697
    , 708 (1987)). There are two stages to
    a substantive due process analysis. State v. Groves, 
    742 N.W.2d 90
    , 92
    (Iowa 2007). The first stage requires us to determine the nature of the
    individual right involved. Id.; accord Reno v. Flores, 
    507 U.S. 292
    , 302,
    
    113 S. Ct. 1439
    , 1447, 
    123 L. Ed. 2d 1
    , 16 (1993). The second stage
    involves the appropriate level of scrutiny to apply. 
    Groves, 742 N.W.2d at 93
    .
    If government action implicates a fundamental right, we apply a
    strict scrutiny analysis in which we determine if the government action
    infringing the fundamental right is narrowly tailored to serve a
    compelling     government       interest.        
    Seering, 701 N.W.2d at 662
    .
    Alternatively, if a fundamental right is not implicated, the statute need
    only survive the rational-basis test, which requires us to consider
    “whether there is ‘a reasonable fit between the government interest and
    the means utilized to advance that interest.’ ” 
    Id. (quoting Hernandez-
    Lopez, 639 N.W.2d at 238
    ); accord 
    Flores, 507 U.S. at 305
    , 113 S. Ct. at
    
    1448–49, 123 L. Ed. 2d at 18
    .
    ________________________
    argument in this appeal. Finally, she did not argue any due process claim under the
    Iowa Constitution. Accordingly, we decline to address these issues. See Baker v. City of
    Iowa City, 
    750 N.W.2d 93
    , 102–03 (Iowa 2008) (holding a party fails to preserve error
    when that party fails to advance any argument or cite any authority in his or her brief
    to support a claim).
    13
    Anne claims the ordinance infringes on her fundamental right to
    make       her   own   parenting   decisions   without   undue   coercion   or
    interference from the state.       The city claims the ordinance does not
    infringe upon the parent-child relationship but instead simply informs
    the parent that warning signs exist and the parent should seek some
    advice or help.
    When an alleged right is not specifically and constitutionally
    enumerated as fundamental, neither this court nor the Supreme Court
    has created a clear test for determining whether the claimed right is a
    fundamental right. In re Det. of Cubbage, 
    671 N.W.2d 442
    , 447 (Iowa
    2003).      Nevertheless, only rights and liberties that are objectively
    “ ‘deeply rooted in this Nation’s history and tradition’ ” and “ ‘implicit in
    the concept of ordered liberty’ ” qualify as fundamental.          Chavez v.
    Martinez, 
    538 U.S. 760
    , 775, 
    123 S. Ct. 1994
    , 2005, 
    155 L. Ed. 2d 984
    ,
    999 (2003) (plurality opinion) (quoting Washington v. Glucksberg, 
    521 U.S. 702
    , 720–21, 
    117 S. Ct. 2258
    , 2268, 
    138 L. Ed. 2d 772
    , 787–88
    (1997)).    Moreover, any asserted fundamental liberty interest must be
    carefully described so that we can proceed with the correct analysis.
    
    Glucksberg, 521 U.S. at 721
    , 117 S. Ct. at 
    2268, 138 L. Ed. 2d at 788
    ;
    accord 
    Seering, 701 N.W.2d at 663
    .
    One of the oldest fundamental liberty interests consistently
    recognized by the Supreme Court is the interest of parents in the care,
    custody, and control of their children. Troxel v. Granville, 
    530 U.S. 57
    ,
    65–66, 
    120 S. Ct. 2054
    , 2060, 
    147 L. Ed. 2d 49
    , 56 (2000); accord
    Santosky v. Kramer, 
    455 U.S. 745
    , 753, 
    102 S. Ct. 1388
    , 1394, 
    71 L. Ed. 2d 599
    , 606 (1982) (recognizing that personal choice in matters of
    family life is a fundamental liberty interest); Lassiter v. Dep’t of Soc.
    Servs., 
    452 U.S. 18
    , 27, 
    101 S. Ct. 2153
    , 2159–60, 
    68 L. Ed. 2d 640
    ,
    14
    649–50 (1981) (finding a parent’s right to the companionship, care,
    custody, and management of his or her children is an important
    interest); Parham v. J.R., 
    442 U.S. 584
    , 602–04, 
    99 S. Ct. 2493
    , 2504–05,
    
    61 L. Ed. 2d 101
    , 118–19 (1979) (recognizing the concept of family as a
    unit with broad parental authority over minor children); Quilloin v.
    Walcott, 
    434 U.S. 246
    , 255, 
    98 S. Ct. 549
    , 554–55, 
    54 L. Ed. 2d 511
    , 519
    (1978) (recognizing that the relationship between parent and child is
    constitutionally protected); Moore v. City of East Cleveland, 
    431 U.S. 494
    ,
    499, 
    97 S. Ct. 1932
    , 1935–36, 
    52 L. Ed. 2d 531
    , 537 (1977) (citing a host
    of Supreme Court cases that have consistently acknowledged the state
    cannot enter the private realm of family life); Wisconsin v. Yoder, 
    406 U.S. 205
    , 232–34, 
    92 S. Ct. 1526
    , 1541–42, 
    32 L. Ed. 2d 15
    , 35 (1972)
    (“The history and culture of Western civilization reflect a strong tradition
    of parental concern for the nurture and upbringing of their children.”);
    Stanley v. Illinois, 
    405 U.S. 645
    , 651, 
    92 S. Ct. 1208
    , 1212–13, 
    31 L. Ed. 2d 551
    , 558–59 (1972) (finding the right to raise one’s children as
    “essential”); Ginsberg v. New York, 
    390 U.S. 629
    , 639, 
    88 S. Ct. 1274
    ,
    1280, 
    20 L. Ed. 2d 195
    , 203–04 (1968) (stating “constitutional
    interpretation has consistently recognized that the parents’ claim to
    authority in their own household to direct the rearing of their children is
    basic in the structure of our society”); Prince v. Massachusetts, 
    321 U.S. 158
    , 166, 
    64 S. Ct. 438
    , 442, 
    88 L. Ed. 645
    , 652 (1944) (“It is cardinal
    with us that the custody, care and nurture of the child reside first in the
    parents, whose primary function and freedom include preparation for
    obligations the state can neither supply nor hinder.”); Pierce v. Soc’y of
    Sisters, 
    268 U.S. 510
    , 534–35, 
    45 S. Ct. 571
    , 573, 
    69 L. Ed. 1070
    , 1078
    (1925) (recognizing parents have a liberty interest in directing the
    upbringing and education of their children); Meyer v. Nebraska, 
    262 U.S. 15
    390, 399–400, 
    43 S. Ct. 625
    , 626–27, 
    67 L. Ed. 1042
    , 1045 (1923)
    (finding the liberty protected by the Due Process Clause includes the
    right of the individual to establish a home and bring up children).
    Therefore, if the ordinance infringes on Anne’s fundamental right to
    exercise care, custody, and control over her son, we must apply strict
    scrutiny. Hernandez-
    Lopez, 639 N.W.2d at 238
    . Accordingly, we must
    examine the contours of this fundamental right in order to determine
    whether the ordinance infringes upon it.
    The determination of whether the fundamental parental right to
    exercise care, custody, and control over children has been infringed must
    be determined on a case-by-case basis. 
    Troxel, 530 U.S. at 95
    –96, 120
    S. Ct. at 
    2076, 147 L. Ed. 2d at 75
    (Kennedy, J., dissenting). Moreover,
    while this fundamental right has been broadly stated, “the contours of
    the right are not completely amorphous.”         See, e.g., Dutkiewicz v.
    Dutkiewicz, 
    957 A.2d 821
    , 832–33 (Conn. 2008) (analyzing the contours
    of the fundamental parental right to exercise care, custody, and control
    over a child). Every case that has implicated this fundamental right has
    a commonality:
    All of the cases in which the United States Supreme
    Court . . . [has] concluded that the parental right to exercise
    care, custody and control over children was implicated,
    involved situations in which the state intervened and
    substituted its decision making for that of the parents. The
    result is that a parent’s decision with respect to the care,
    custody and control of his or her child cannot be overridden
    by the state in the absence of a showing that the parent is
    unfit or that the parent’s decision will jeopardize the health
    or safety of the child, or will have a potential to impose
    significant social burdens.
    
    Id. at 833
    (emphasis removed).      Thus, for a statute or ordinance to
    infringe on this fundamental parental right, “the state must in some way
    attempt to override or at least limit the decision of a parent with respect
    16
    to the care, custody and control over his or her child.”      
    Id. (emphasis removed);
    see also S. Randall Humm, Criminalizing Poor Parenting Skills
    as a Means to Contain Violence by and Against Children, 139 U. Pa. L.
    Rev. 1123, 1143 (1991) (“A law that allows the state to review virtually
    every aspect of the parent’s supervision over the child is inconsistent
    with the . . . deference [that the Supreme Court has assigned to] parents
    in matters involving child rearing.”).
    In other words, the power of the state must improperly intrude into
    the parent’s decision-making authority over his or her child for there to
    be an infringement of this fundamental parental right, triggering strict
    scrutiny. 
    Dutkiewicz, 957 A.2d at 833
    ; see, e.g., 
    Troxel, 530 U.S. at 67
    ,
    120 S. Ct. at 
    2060–61, 147 L. Ed. 2d at 57
    –58 (noting the parent wanted
    to limit third-party visitation, the state did not); 
    Moore, 431 U.S. at 496
    97, 97 S. Ct. at 1934
    , 52 L. Ed. 2d at 535–36 (noting the parent wanted
    to live with son and two grandsons in violation of housing ordinance);
    
    Yoder, 406 U.S. at 207
    –08, 92 S. Ct. at 
    1529–30, 32 L. Ed. 2d at 20
    –21
    (noting the parent wanted to give children an Amish education, and the
    state wanted them to attend public school); 
    Pierce, 268 U.S. at 530
    –31,
    45 S. Ct. at 
    572, 69 L. Ed. at 1076
    (noting the state wanted children to
    attend public school); 
    Meyer, 262 U.S. at 396
    –97, 430 S. Ct. at 
    626, 67 L. Ed. at 1044
    (noting the state sought to prohibit parents from allowing
    their children to learn a foreign language before the eighth grade); accord
    Santi v. Santi, 
    633 N.W.2d 312
    , 318 (Iowa 2001) (noting the parent
    wanted to limit third-party visitation, the state did not); Olds v. Olds, 
    356 N.W.2d 571
    , 574 (Iowa 1984) (same).
    Furthermore, we have stated, “[b]oth [this court’s] precedents and
    those of the Supreme Court indicate that an alleged infringement on a
    familial right is unconstitutional only when an infringement has a direct
    17
    and substantial impact on the familial relationship.”           
    Seering, 701 N.W.2d at 663
    (emphasis added).       Thus, for the ordinance to infringe
    upon    Anne’s    fundamental   parental   right,   it   must   directly   and
    substantially intrude into her parental decision-making authority over
    her child.
    However, it is important to note the fundamental parental right to
    exercise care, custody, and control over children is not absolute.         The
    state has a legitimate interest to promote the public welfare or the well-
    being of the child. City of Panora v. Simmons, 
    445 N.W.2d 363
    , 369–70
    (Iowa 1989). Under the doctrine of parens patriae, the state may restrict
    the parent’s control by requiring school attendance, regulating or
    prohibiting the child’s labor, and in many other ways. 
    Prince, 321 U.S. at 166
    , 64 S. Ct. at 
    442, 88 L. Ed. at 652
    . Consequently, when the child’s
    welfare is threatened, the state can use a wide range of powers to limit
    parental freedom and authority. 
    Id. at 167,
    64 S. Ct. at 
    442, 88 L. Ed. at 653
    . Therefore,
    “[i]n cases in which harm to the physical or mental health of
    the child or to the public safety, peace, order, or welfare is
    demonstrated, these legitimate state interests may override
    the parents’ qualified right to control the upbringing of their
    children.”
    
    Simmons, 445 N.W.2d at 369
    –70 (quoting Bykofsky v. Borough of
    Middletown, 
    401 F. Supp. 1242
    , 1264 (M.D. Pa. 1975)).
    Here, the city claims its interest advanced by the ordinance is to
    “preserve the peace, safety, health and welfare of the citizens of
    Davenport, Iowa, and the city’s visitors and guests.”       Davenport Mun.
    Code § 9.56.010. Clearly, the city has a strong interest in protecting the
    public from juvenile delinquency.      The ordinance does not dictate to
    parents an overall plan for the discipline, control, or supervision of
    18
    minors.     
    Simmons, 445 N.W.2d at 370
    .                   Instead, upon a first
    “occurrence”    it   gives   the   parent   notice   of    their   child’s   alleged
    delinquency, upon a second “occurrence” it requires the parent to
    successfully complete a parenting class to learn skills the parent may or
    may not voluntarily implement to combat their child’s delinquency, and
    finally upon a third “occurrence” the ordinance imposes sanctions on the
    parent.   Davenport Mun. Code § 9.56.050.            While the ordinance does
    attempt to inform parents about their child’s delinquency, provide skills
    for combating delinquency, and ultimately imposes sanctions on parents
    for their child’s continued delinquency, we cannot say the city has
    improperly intervened and substituted its decision making for that of the
    parent.    Therefore, the ordinance does not intrude directly and
    substantially into a parent’s parental decision-making authority, but
    instead only minimally impinges on a parent’s fundamental right to
    direct the upbringing of his or her child. Consequently, the ordinance
    does not trigger strict scrutiny by infringing upon Anne’s fundamental
    right to exercise care, custody, and control over her child. Accordingly,
    the district court correctly determined the proper level of scrutiny to
    apply in this case is the rational-basis test.
    When a fundamental right is not implicated, the ordinance need
    only survive the rational-basis test. 
    Seering, 701 N.W.2d at 662
    . The
    rational-basis test requires us to consider “whether there is ‘a reasonable
    fit between the government interest and the means utilized to advance
    that interest.’ ”    
    Id. (quoting Hernandez-
    Lopez, 639 N.W.2d at 238
    );
    accord 
    Flores, 507 U.S. at 303
    , 
    305, 113 S. Ct. at 1448
    –49, 123 L. Ed. 2d
    at 18. Under this level of scrutiny, the legislature need not employ the
    best means of achieving a legitimate state interest. Sanchez v. State, 
    692 N.W.2d 812
    , 818 (Iowa 2005).           As long as the means “ ‘rationally
    19
    advances a reasonable and identifiable governmental objective, we must
    disregard the existence of other methods . . . that we, as individuals,
    perhaps would have preferred.’ ” 
    Id. (quoting Schweiker
    v. Wilson, 
    450 U.S. 221
    , 235, 
    101 S. Ct. 1074
    , 1083, 
    67 L. Ed. 2d 186
    , 198 (1981)).
    Moreover, while the rational-basis level of scrutiny is deferential to
    legislative judgment, it is not a toothless standard of review.        Racing
    Ass’n of Cent. Iowa v. Fitzgerald, 
    675 N.W.2d 1
    , 9 (Iowa 2004); accord
    Mathews v. de Castro, 
    429 U.S. 181
    , 185, 
    97 S. Ct. 431
    , 434, 
    50 L. Ed. 2d 389
    , 394 (1976).
    Under the rational-basis test, we first must determine whether the
    ordinance serves a legitimate governmental interest.         Racing Ass’n of
    Cent. 
    Iowa, 675 N.W.2d at 7
    . Moreover, “the claimed state interest must
    be ‘realistically conceivable.’ ” 
    Id. (emphasis in
    original) (quoting Miller v.
    Boone County Hosp., 
    394 N.W.2d 776
    , 779 (Iowa 1986)). In this case,
    there is no doubt the city’s interest in protecting the community from the
    threat of juvenile delinquency is legitimate.     Thus, the only remaining
    issue is whether the ordinance is rationally related to this legitimate
    governmental interest.       Parental responsibility laws, such as the
    ordinance in this case, are based on the fairly simple rationale that, if the
    state imposes sanctions or threatens to impose sanctions on the parent
    for the delinquent acts of his or her child, the parent will exercise better
    control and supervision over the child, thereby reducing or eliminating
    future acts of juvenile delinquency by that child.
    When a child resides with his or her parent, the parent is probably
    in the best position to control the child’s behavior.       Thus, there is a
    reasonable fit between the government’s interest to curb delinquent acts
    of a child and the requirement that a parent should exercise reasonable
    control over his or her child. For this reason, the ordinance does not
    20
    violate Anne’s due process rights by interfering with her fundamental
    right to parent.
    VII. Whether the Juvenile Laws Contained in Iowa Code
    Chapter 232 Preempt the Ordinance.
    In 1968, the Iowa Constitution was amended to provide municipal
    governments the limited power of legislative home rule. Iowa Const. art.
    III, § 38A. Our home rule amendment allows the legislature to retain the
    unfettered power to forbid a municipality from exercising police powers,
    even over those matters traditionally thought to involve local matters.
    
    Seymour, 755 N.W.2d at 538
    . However, “as long as an exercise of police
    power over local affairs is not ‘inconsistent with the laws of the general
    assembly,’ municipalities may act without express legislative approval or
    authorization.” 
    Id. (quoting Iowa
    Const. art. III, § 38A). The purpose of
    the home rule amendment was to give local government the power to
    pass legislation over its local affairs subject to the superior authority of
    the legislature. Goodell v. Humboldt County, 
    575 N.W.2d 486
    , 492 (Iowa
    1998). To determine whether municipal action is permitted or prohibited
    by the legislature, courts have developed the doctrine of preemption.
    
    Seymour, 755 N.W.2d at 538
    .       The preemption doctrine dictates that
    municipalities cannot act if the legislature has directed otherwise.     
    Id. When the
    legislature exercises its authority in an area, legislative power
    trumps the authority of local government to do the same. 
    Id. We have
    recognized three types of preemption—express preemption, implied-
    conflict preemption, and implied-field preemption.         
    Id. at 538–39;
    Goodell, 575 N.W.2d at 492
    –93. We will examine each in turn.
    A.   Express Preemption. Express preemption applies when the
    legislature has explicitly prohibited local action in a given area.
    
    Seymour, 755 N.W.2d at 538
    ; 
    Goodell, 575 N.W.2d at 492
    . Anne argues
    21
    the language contained in Iowa Code section 232.8, that the Iowa
    juvenile   court   has   “exclusive   original   jurisdiction   in proceedings
    concerning a child who is alleged to have committed a delinquent act,”
    expressly preempts the ordinance.        Iowa Code § 232.8(1)(a).     The city
    claims there is no provision in the Iowa Code that expressly preempts the
    ordinance. By its terms, the jurisdictional section cited by Anne does not
    explicitly prohibit the imposition of sanctions by a city on a parent based
    on a child’s alleged delinquency. Therefore, the language contained in
    Iowa Code section 232.8 does not expressly preempt the ordinance.
    B.      Implied-Conflict Preemption.        Implied-conflict preemption
    occurs when a local ordinance prohibits an act permitted by a statute or
    permits an act prohibited by a statute. 
    Seymour, 755 N.W.2d at 538
    ;
    
    Goodell, 575 N.W.2d at 493
    .
    The theory of this branch of implied preemption is that even
    though an ordinance may not be expressly preempted by the
    legislature, the ordinance cannot exist harmoniously with a
    state statute because the ordinance is diametrically in
    opposition to it.
    
    Seymour, 755 N.W.2d at 538
    . For conflict preemption to apply, the local
    ordinance must be “irreconcilable” with state law, meaning the conflict
    must be “obvious, unavoidable, and not a matter of reasonable debate.”
    
    Id. at 539.
    In this case, Anne argues the ordinance is inconsistent with the
    Iowa juvenile justice code because it sets up a local court proceeding that
    is less protective and less responsive to due process and the needs of
    families, which shadows the juvenile court system.              Moreover, Anne
    argues the ordinance may cause the juvenile and local courts to require
    the parent to engage simultaneously in conflicting or competing
    interests. We disagree.
    22
    The ordinance in question no more conflicts with the juvenile
    justice court system than does Iowa Code section 613.16, which imposes
    vicarious liability upon parents for the tortious damages to persons or
    property caused by their children.       See Iowa Code § 613.16.       The
    ordinance does not attempt to lower the due process standards of the
    juvenile court, but instead holds parents liable for the delinquency of
    their children. While the juvenile justice system focuses on the child, the
    ordinance focuses on the parental control exercised by the parent over
    the child. Thus, the ordinance and the juvenile justice system serve two
    different purposes, which do not obviously and unavoidably conflict.
    C.   Implied-Field Preemption.      Implied-field preemption occurs
    when the legislature has “so covered a subject by statute as to
    demonstrate a legislative intent that regulation in the field is preempted
    by state law.”   
    Seymour, 755 N.W.2d at 539
    ; see also 
    Goodell, 575 N.W.2d at 493
    . However, extensive regulation in a certain field is not
    enough. 
    Seymour, 755 N.W.2d at 539
    . Instead, “[i]n order to invoke the
    doctrine of field preemption, there must be some clear expression of
    legislative intent to preempt a field from regulation by local authorities,
    or a statement of the legislature’s desire to have uniform regulations
    statewide.”   Id.; see also 
    Goodell, 575 N.W.2d at 493
    , 499–500
    (recognizing the need for a high degree of legislative expression before
    this court will find subject-wide preemption). Therefore, “[t]here must be
    persuasive concrete evidence of an intent to preempt the field in the
    language that the legislature actually chose to employ.” 
    Seymour, 755 N.W.2d at 539
    .
    Anne argues the legislative pronouncement that the Iowa juvenile
    court has “exclusive original jurisdiction in proceedings concerning a
    child who is alleged to have committed a delinquent act” also evidences
    23
    the legislature’s intent to preempt this field and provide uniform
    regulation. Iowa Code § 232.8(1)(a). Thus, Anne claims Iowa’s juvenile
    justice code provides a comprehensive scheme for dealing with allegedly
    delinquent children and their families and preempts this field from local
    regulation. Again, we disagree.
    The ordinance does not attempt to exercise jurisdiction over the
    child, but instead merely imposes sanctions upon a parent whose child
    has   allegedly    committed   a   delinquent   act.   Nowhere   in   Iowa’s
    comprehensive juvenile justice code does the legislature clearly indicate a
    legislative intent to preempt this field or a desire to provide uniform
    regulations for imposing sanctions on parents for their children’s
    delinquency.      See Iowa Code §§ 232.1–.196.     Consequently, Anne has
    failed to produce “persuasive concrete evidence of an intent to preempt
    the field in the language that the legislature actually chose to employ.”
    
    Seymour, 755 N.W.2d at 539
    .
    Therefore, we find Anne has failed to establish the ordinance has
    been expressly or impliedly preempted by Iowa’s juvenile justice code.
    VIII. Whether the Ordinance Contains an Irrational and Unfair
    Presumption.
    Anne claims we can uphold the district court decision by finding
    the ordinance contains an irrational and unfair presumption that, if a
    minor violates the law, the court can assume the violation was a result of
    the parent’s failure to exercise reasonable parental control of the minor.
    In analyzing this claim, we start with the principle that a person who
    violates the ordinance commits a municipal infraction. Davenport Mun.
    Code § 9.56.050. A municipal infraction is a civil offense. Iowa Code
    § 364.22(1).   Thus, our analysis requires us to review the appropriate
    civil law precedents to determine if we can uphold the district court
    24
    decision by finding the ordinance contains an irrational and unfair
    presumption.
    A presumption in a civil case violates the Due Process Clause of
    the United States Constitution if it is arbitrary or operates to deny a fair
    opportunity to rebut it. W. & A.R.R. v. Henderson, 
    279 U.S. 639
    , 642, 
    49 S. Ct. 445
    , 447, 
    73 L. Ed. 884
    , 888 (1929); Calkins v. Adams County
    Coop. Elec. Co., 
    259 Iowa 245
    , 253, 
    144 N.W.2d 124
    , 128–29 (1966). 3
    The reason for this rule is simple—“[l]egislative fiat may not take the
    place of fact in the judicial determination of issues involving life, liberty,
    or property.” W. & 
    A.R.R., 279 U.S. at 642
    , 49 S. Ct. at 
    447, 73 L. Ed. at 888
    .
    In order for a person to violate the ordinance, he or she must fail to
    “exercise sufficient control over a said minor(s) to prevent the minor(s)
    from committing any unlawful act in violation of federal law, state law or
    city ordinance.” Davenport Mun. Code § 9.56.040(A). The standard for
    finding that a parent violated the ordinance is negligence.                   
    Id. The ordinance
    creates a rebuttable presumption “that the parent failed to
    exercise reasonable parental control of said parent’s minor(s)” after
    A second occurrence or an adjudication or the entry of
    an informal adjustment agreement involving a minor related
    to any unlawful act, and prior notification to the parent of
    the parental responsibility ordinance including notice of
    possible fines or penalties . . . .
    
    Id. The ordinance
    defines an “occurrence” to mean “a law enforcement
    agency has probable cause to believe a particular child engaged in a
    delinquent act and has filed a delinquency complaint with the court
    3Anne   does not claim or make an argument under the Iowa Constitution in her
    brief when she claims the ordinance contains an irrational and unfair presumption that
    if a minor violates the law, the court can assume the violation was a result of the
    parent’s failure to exercise reasonable parental control of the minor. Therefore, we will
    only analyze this issue under the Federal Constitution.
    25
    based upon such probable cause or has otherwise taken said child into
    custody.” 
    Id. § 9.56.020(E).
    The ordinance allows the parent to rebut
    the presumption created by the ordinance. 
    Id. § 9.56.040(B).
    Without
    this presumption, the city has the burden to prove by clear, satisfactory,
    and convincing evidence that the parent failed to exercise reasonable
    parental control of his or her minor, and the second “occurrence” was
    caused by the parent’s failure to exercise reasonable parental control.
    Iowa Code § 364.22(5)(b). In other words, upon a second “occurrence,” a
    parent is presumed negligent. Because the second “occurrence” is the
    fact used to presume negligence, the ordinance’s presumption also
    presumes causation—that a parent’s negligence in controlling his or her
    child is the cause of the child’s delinquency.
    In Calkins, we were confronted with an analogous 
    presumption. 259 Iowa at 248
    , 144 N.W.2d at 125. There, the plaintiff was injured
    when his horse came in contact with a guy wire, and he was thrown from
    his horse. 
    Id. at 251,
    144 N.W.2d at 127. At the time of the injury, the
    applicable statute provided:
    “In case of injury to any person or property by any such
    transmission line, negligence will be presumed on the part of
    the person or corporation operating said line in causing said
    injury, but this presumption may be rebutted by proof.”
    Id. at 
    248, 144 N.W.2d at 125
    (quoting Iowa Code § 489.15 (1962)). In
    construing the presumption, the court noted by inferring negligence from
    the injury, the presumption not only presumed negligence but also
    presumed causation.     
    Id. at 252,
    144 N.W.2d at 128.      Although the
    presumption of negligence was rebuttable, we held the presumption
    violated the defendant’s due process rights because the presumption was
    arbitrary and had no reasonable relationship to the facts of the case. 
    Id. at 253,
    144 N.W.2d at 129.
    26
    Our holding in Calkins is consistent with the well-settled law that
    in an ordinary negligence action the mere fact an incident occurred does
    not mean a party is negligent. Armbruster v. Gray, 
    225 Iowa 1226
    , 1230,
    
    282 N.W. 342
    , 344 (1938). Generally, we do not allow a fact finder to
    infer negligence from an injury because injuries can happen without any
    negligence. Harvey v. Borg, 
    218 Iowa 1228
    , 1232, 
    257 N.W. 190
    , 193
    (1934).   Thus, it is irrational to allow a fact finder to use the mere
    occurrence of an incident to presume a person was negligent and the
    cause of the incident. 
    Id. (“It is
    universally agreed that no inference of
    negligence arises from the mere fact that a collision occurred.”).
    We believe the presumption contained in Davenport’s ordinance is
    just as arbitrary and irrational as the presumption in an ordinary
    negligence case.   There can be many causes for a child to commit an
    “occurrence” under the ordinance. As one authority notes:
    Experts fail to agree on the causes of delinquency. Its
    cause is as complex as poverty, drug abuse, or any other
    social problem. . . . Even when several experts do agree on
    causation, they disagree about solutions or prevention
    methods.
    Experts who identify a dysfunctional family as a
    primary reason for delinquent behavior often cite factors
    other than lack of discipline as a cause. For example,
    poverty and family disruption (divorce, death in the family
    etc.), both outside the reach of parenting classes, may
    contribute to delinquent behavior.      Though most laws
    presume parents of delinquents are not “heavy handed”
    enough, several studies indicate that strict discipline
    increases delinquent behavior.
    Michelle L. Casgrain, Parental Responsibility Laws: Cure for Crime or
    Exercise in Futility?, 37 Wayne L. Rev. 161, 173–74 (1990); accord James
    Herbie DiFonzo, Parental Responsibility for Juvenile Crime, 
    80 Or. L
    . Rev.
    1, 45 (2001) (finding the biological and social factors that may lead a
    child to commit delinquent acts are profoundly intertwined).           Other
    27
    authorities agree that family coupled with the interrelated forces of
    school, housing, recreation, community life, employment, and the
    juvenile justice system itself influence a juvenile toward or away from
    delinquency. Penelope D. Clute, “Parental Responsibility” Ordinances—Is
    Criminalizing Parents When Children Commit Unlawful Acts a Solution to
    Juvenile Delinquency?, 19 Wayne L. Rev. 1551, 1576–77 (1973); accord
    Linda A. Chapin, Out of Control?           The Uses and Abuses of Parental
    Liability Laws to Control Juvenile Delinquency in the United States, 37
    Santa Clara L. Rev. 621, 670–71 (1997) (“Most current researchers
    concede    that   the   relationship     between     the    family   and   juvenile
    delinquency is complex, and that a ‘bad’ parent is not the sole cause of a
    ‘bad’ child.”); Christine T. Greenwood, Holding Parents Criminally
    Responsible for the Delinquent Acts of Their Children: Reasoned Response
    or “Knee-Jerk Reaction”?, 23 J. Contemp. L. 401, 411 (1997) (stating,
    although there is a dispute over the exact degree, most researchers agree
    that certain functions and characteristics of the family are one of the
    factors   that    cause     juvenile    delinquency);      Kathryn    J.   Parsley,
    Constitutional Limitations on State Power to Hold Parents Criminally Liable
    for the Delinquent Acts of Their Children, 44 Vand. L. Rev. 441, 468 (1991)
    (noting other factors contributing to juvenile delinquency include social
    class, educational level, urbanization, living conditions, social instability,
    drug abuse, school failure, inadequate family relationships, antisocial
    values,   child    abuse,     and      association   with     delinquent    peers).
    Consequently, while the family might have an effect on juvenile
    delinquency, it may not be a factor contributing to juvenile delinquency
    in a specific case.
    Therefore, allowing a fact finder to presume negligence and
    causation based on the happening of an “occurrence,” rather than
    28
    finding negligence and causation based on the facts, is arbitrary and
    irrational in light of the multiple factors that can cause the “occurrence,”
    as defined by the statute.    Long ago, we realized that things happen
    absent a person’s negligence. For this reason, we do not permit a fact
    finder to presume a person’s negligence merely because some incident
    occurred. Accordingly, we hold the provisions of the ordinance creating
    the presumption are arbitrary and irrational and violate the Due Process
    Clause of the Fourteenth Amendment to the United States Constitution.
    Our holding does not mean the entire ordinance is void.            Our
    constitutional duty requires us to preserve as much of the ordinance as
    possible within constitutional restraints. Fed. Land Bank of Omaha v.
    Arnold, 
    426 N.W.2d 153
    , 157–58 (Iowa 1988). When possible, our duty
    requires us to declare unconstitutional only that portion of the statute
    that is found to violate the Constitution. 
    Id. It is
    appropriate for us to
    sever unconstitutional provisions from constitutional portions of a
    statute if the severance does not substantially impair the enactment’s
    legislative purpose, the enactment remains capable of fulfilling the
    apparent legislative intent, and the remaining portion of the enactment
    can be given effect without the invalid provision. Am. Dog Owners Ass’n,
    Inc. v. City of Des Moines, 
    469 N.W.2d 416
    , 418 (Iowa 1991).             The
    Davenport Municipal Code also recognizes this concept of severance by
    providing:
    If any section, subsection, sentence, clause or phrase
    of this code is for any reason held to be invalid or
    unconstitutional, such decision shall not affect the validity of
    the remaining portions of this code. The council hereby
    declares that it would have passed this code, and each
    section, subsection, sentence, clause and phrase thereof,
    irrespective of the fact that any one or more sections,
    subsections, sentences, clauses or phrases had been
    declared invalid or unconstitutional, then the original
    ordinance or ordinances shall be in full force and effect.
    29
    Davenport Mun. Code § 1.01.100. Thus, we cannot presume the city
    council intended its ordinances to be treated as a whole. Clark v. Miller,
    
    503 N.W.2d 422
    , 425 (Iowa 1993).
    We find the provisions of section 9.56.040 of Davenport’s parental
    responsibility ordinance dealing with the presumption that a parent
    failed to exercise reasonable parental control of his or her child upon a
    second “occurrence” can be severed from the rest of the ordinance and
    strike those provisions from the ordinance. The Iowa Code requires a
    city to prove a violation of a municipal infraction by clear, satisfactory,
    and convincing evidence. Iowa Code § 364.22(5)(b). Accordingly, for the
    city to prove a first, second, or subsequent violation of the ordinance, it
    must prove by clear, satisfactory, and convincing evidence that a parent
    failed to exercise reasonable parental control of his or her minor, and the
    “occurrence” was caused by the parent’s failure to exercise reasonable
    parental control.
    IX. Attorney Fee Award.
    The district court awarded attorney fees based on its finding that
    the entire ordinance was unconstitutional.     On appeal, we found the
    presumption of failure to exercise reasonable parental control under
    section 9.56.040 of the ordinance to be unconstitutional and severed the
    unconstitutional portion of the ordinance from the remainder of the
    ordinance. The court, in its discretion, may award reasonable attorney
    fees to a prevailing party in a civil rights action. 42 U.S.C. § 1988(b).
    One of the factors to be considered when awarding attorney fees under
    42 U.S.C. § 1988 is the level of the prevailing party’s success in the
    litigation.   Hensley v. Eckerhart, 
    461 U.S. 424
    , 430, 
    103 S. Ct. 1933
    ,
    1938, 
    76 L. Ed. 2d 40
    , 48 (1983). Therefore, we must vacate the award
    of attorney fees and remand the case to the district court to determine
    30
    the proper award of attorney fees, if any, considering the level of the
    prevailing party’s success in this litigation.
    X. Disposition.
    We hold the presumption of failure to exercise reasonable parental
    control under section 9.56.040 of the Davenport Parental Responsibility
    Ordinance is unconstitutional and sever the unconstitutional portion of
    the ordinance from the remainder of the ordinance. Therefore, we must
    affirm in part and reverse in part the judgment of the district court. We
    also vacate the attorney fee award and remand the case to the district
    court to reconsider its award of attorney fees, taking into consideration
    the prevailing party’s level of success in the litigation as one of the
    factors in making its award.      Accordingly, we remand the case to the
    district court to enter judgment consistent with this opinion.
    APPEAL AFFIRMED IN PART, REVERSED IN PART, AND
    REMANDED; CROSS-APPEAL REVERSED AND REMANDED.