MEIC v. DEQ ( 2020 )


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  •                                                                                             11/17/2020
    DA 19-0553
    Case Number: DA 19-0553
    IN THE SUPREME COURT OF THE STATE OF MONTANA
    
    2020 MT 288
    MONTANA ENVIRONMENTAL INFORMATION
    CENTER, SAVE OUR CABINETS, AND EARTHWORKS,
    Plaintiffs, Appellees,
    and Cross-Appellants,
    v.
    MONTANA DEPARTMENT OF ENVIRONMENTAL
    QUALITY and MONTANORE MINERALS CORP.,
    Defendants, Appellants,
    and Cross-Appellees.
    APPEAL FROM:      District Court of the First Judicial District,
    In and For the County of Lewis and Clark, Cause No. CDV 2017-641
    Honorable Kathy Seeley, Presiding Judge
    COUNSEL OF RECORD:
    For Defendants, Appellants, and Cross-Appellees:
    William W. Mercer, Kyle Anne Gray, Brianne C. McClafferty, Victoria A.
    Marquis, Holland & Hart LLP, Billings, Montana
    (for Montanore Minerals Corp.)
    Kurt R. Moser, Special Assistant Attorney General, Helena, Montana
    (for Montana Department of Environmental Quality)
    For Plaintiffs, Appellees, and Cross-Appellants:
    Katherine O’Brien, Timothy J. Preso, Jenny K. Harbine, Earthjustice
    Northern Rockies Office, Bozeman, Montana
    For Amicus Montana Chamber of Commerce:
    Steven T. Wade, M. Christy S. McCann, Browning, Kaleczyc, Berry &
    Hoven, P.C., Helena, Montana
    Submitted on Briefs: July 22, 2020
    Decided: November 17, 2020
    Filed:
    c.,.--.6--4(
    __________________________________________
    Clerk
    2
    Justice Ingrid Gustafson delivered the Opinion of the Court.
    ¶1     Defendants,     Appellants,   and   Cross-Appellees     Montana     Department     of
    Environmental Quality (DEQ) and Montanore Minerals Corp. (MMC) appeal the Order on
    Cross-Motions for Summary Judgment issued by the First Judicial District Court, Lewis
    and Clark County, on July 24, 2019, which denied DEQ’s and MMC’s cross-motions for
    summary judgment and vacated DEQ’s 2017 issuance of Montana Pollution Discharge
    Elimination System (MPDES) Permit No. MT0030279 (2017 Permit) to MMC. Plaintiffs,
    Appellees, and Cross-Appellants Montana Environmental Information Center (MEIC),
    Save Our Cabinets, and Earthworks cross-appeal the District Court’s partial denial of their
    motion for summary judgment.
    ¶2     We address the following dispositive issue on appeal:
    Whether DEQ unlawfully relied upon a 1992 Order of the Board of Health and
    Environmental Sciences when issuing the 2017 Permit.
    ¶3     We affirm the District Court’s vacatur of the 2017 Permit and remand to DEQ for
    further proceedings.
    FACTUAL AND PROCEDURAL BACKGROUND
    ¶4     This case arises out of the Montanore Project, a proposed copper and silver mine
    located in the Cabinet Mountains of northwestern Montana.             Silver deposits were
    discovered at the site of the proposed project in the early 1980s, and the permitting process
    for the Montanore Project began later that decade.        In 1989, the Noranda Minerals
    Corporation (Noranda) obtained an exploration license from the Montana Department of
    3
    State Lands for the construction of an exploration adit in upper Libby Creek.1 Libby Creek
    is a critical habitat for bull trout. Noranda also applied for an operating permit to authorize
    mining.
    ¶5       On December 13, 1989, Noranda filed a Petition for Change in Quality of Ambient
    Waters with the Montana Board of Health and Environmental Sciences (BHES), seeking
    authorization to lower the ambient surface and ground water quality for discharges from
    the proposed Montanore Project in Sanders and Lincoln Counties.              Pursuant to the
    nondegradation policy in effect at that time, BHES was allowed to authorize lower water
    quality if a showing was made that degradation was justified “as a result of necessary
    economic or social development[.]” Section 75-5-303(1), MCA (1989).
    ¶6       In 1991, after constructing around 14,000 feet of the Libby Creek adit, Noranda
    ceased construction of the adit due to elevated nitrate concentration in the surface water
    and low metal prices. Though Noranda ceased construction of the adit in 1991, the
    permitting process continued. On November 20, 1992, BHES issued its Final Decision
    and Statement of Reasons (BHES Order) on Noranda’s petition to lower the ambient water
    quality, finding that degradation of the subject waters was justified due to the beneficial
    economic and social impacts that would come with the mine. The BHES Order set specific
    numeric limitations on certain contaminants, applicable to the surface and ground water
    that would be affected by the Montanore Project. The provisions of the BHES Order were
    1
    An adit is a horizontal entrance to an underground mine.
    4
    to “remain in effect during the operational life of this mine and for so long thereafter as
    necessary.”
    ¶7       In June 1992, the State of Montana Department of Health and Environmental
    Sciences (DHES) filed a Complaint and Application for Injunction against Noranda,
    alleging Noranda violated Montana’s Water Quality Act (WQA) at the Libby Creek site.
    DHES filed its complaint after being notified by the United States Environmental
    Protection Agency (EPA) that it believed Noranda had violated the Clean Water Act
    (CWA) at the Libby Creek site.2 On May 12, 1993, the Montana Nineteenth Judicial
    District Court, Lincoln County, issued its Findings of Fact, Conclusions of Law, Judgment
    and Consent Decree, which, in relevant part, required Noranda to pay fines and apply for
    an MPDES permit.
    ¶8       Pursuant to the CWA, Congress established a permitting system known as the
    National Pollution Discharge Elimination System (NPDES), which is administered by the
    EPA. The CWA allows for states to administer their own permits, however, and in 1974
    the State of Montana and EPA signed a Memorandum of Agreement (MOA), which
    transferred the responsibility of issuing NPDES permits within Montana to DEQ.3
    Pursuant to this arrangement, DEQ is responsible for issuing MPDES permits. Though the
    2
    Congress enacted the modern version of the Federal Water Pollution Control Act, more
    commonly known as the CWA, in 1972. The stated objective of the CWA is “to restore and
    maintain the chemical, physical, and biological integrity of the Nation’s waters.” 33 U.S.C.
    § 1251(a).
    3
    At the time known as DHES.
    5
    responsibility of issuing MPDES permits has been transferred to DEQ, EPA continues to
    review, comment on, and/or make recommendations to DEQ regarding proposed MPDES
    permits. Under the MOA, if EPA does not object to a proposed permit, its non-objection
    “shall be considered as concurrence” in the issuing of the permit.
    ¶9     Noranda ultimately obtained its MPDES permit for the Montanore Project in 1997.
    The permit allowed discharges from the Libby adit to Libby Creek and nearby
    groundwater. The 1997 permit allowed three outfalls: Outfall 001 for a percolation pond
    discharging to groundwater; Outfall 002 for a drainfield with three infiltration zones
    discharging to groundwater; and Outfall 003 for a pipeline outlet to Libby Creek. In 2001,
    Noranda applied to renew the MPDES permit. DEQ administratively extended the MPDES
    permit past its February 28, 2002 expiration date while it considered Noranda’s
    September 17, 2001 permit renewal application. In September 2002, Noranda informed
    DEQ and the Kootenai National Forest (KNF) that it was relinquishing its approval to
    operate and construct the Montanore Project. Noranda requested termination of its MPDES
    permit in March 2003, but DEQ denied the request, noting “that it may be necessary to
    maintain the MPDES permit until reclamation work was completed.”            Noranda had
    previously closed the adit and started reclamation work, which was not fully completed by
    the time it requested termination of the MPDES permit in 2003. Noranda’s other permits
    for the proposed mine, outside of the MPDES permit and DEQ-issued Hard Rock permit
    #00150, either expired or were terminated by 2002. See Mines Mgmt., Inc. v. Fus, 
    2019 MT 276
    , ¶ 8 n.6, 
    398 Mont. 15
    , 
    453 P.3d 371
    .
    6
    ¶10    In 2004, after DEQ denied Noranda’s request to terminate the MPDES permit,
    Mines Management, Inc. (MMI)—MMC’s parent company—submitted a proposed plan
    of operations for the Montanore Project to the KNF.4 Ultimately, DEQ renewed Noranda’s
    MPDES permit on March 21, 2006. The renewed permit went into effect on April 1, 2006,
    and again permitted three outfalls. DEQ’s environmental assessment produced during that
    renewal noted that the “adit has been closed and the facility is in its final reclamation
    stages.” It further noted that no discharge had been reported since 1998.
    ¶11    In May 2006, Newhi, Inc., a wholly owned subsidiary of MMI, acquired all issued
    and outstanding shares of Noranda and changed Noranda’s name to MMC.5 MMC
    reversed course from Noranda’s previous reclamation of the adit and “began using the adit
    for access purposes, engaging in dewatering and rehabilitation activities in preparation for
    actual mining operations.” Mines Mgmt., ¶ 9. DEQ modified the 2006 Renewed Permit
    4
    The Dissent argues that MMI’s proposed plan of operations submitted to the KNF “led to MMI’s
    corresponding application for renewal of the MPDES Permit[.]” Dissent, ¶ 31. It’s true that MMI
    submitted a new proposed plan of operations to KNF in 2004, but MMI did not own Noranda in
    2004 and it cannot be rationally asserted that MMI’s submission to KNF was relevant to Noranda’s
    repeated requests to give up the MPDES permit. As has been previously noted, it was Noranda
    who applied for the renewal of the MPDES permit on September 17, 2001. That permit renewal
    was issued on March 21, 2006, and went into effect on April 1, 2006. MMI’s subsidiary, Newhi,
    Inc., did not acquire Noranda until May 31, 2006.
    5
    The Dissent incorrectly asserts MMI applied for renewal of the Permit apparently sometime after
    submitting its proposed plan to the KNF in 2004. The record does not support this assertion—the
    2006 Permit itself says that DEQ “received a permit renewal application on September 17, 2001.”
    Noranda did not plan to abandon the MPDES permit when it applied for renewal in 2001, that
    happened in 2002 and 2003. More importantly, MMI could not submit a permit renewal
    application on behalf of a company it did not own in 2001.
    7
    on May 23, 2008, to reflect the name change from Noranda to MMC. The permit’s
    expiration date remained March 31, 2011.
    ¶12   In August 2010, MMC applied to renew the MPDES permit. In its renewal
    application, MMC requested five new stormwater-only outfalls—two of which would
    discharge into Libby Creek, one of which would discharge into Ramsey Creek, and two of
    which would discharge into Poorman Creek. In February 2011, DEQ administratively
    extended the 2006 Renewed Permit pending issuance of a renewed permit based on MMC’s
    2010 application. DEQ issued a draft permit, fact sheet, and public notice in 2015, and a
    revised draft permit, fact sheet, and public notice in 2016. On December 15, 2015, KNF
    and DEQ issued a Joint Final Environmental Impact Statement (EIS) for the proposed
    Montanore Project.     The Final EIS noted MMC’s proposed Montanore plan was
    “considered as a new proposed Plan of Operations by the KNF because [Noranda]
    relinquished the federal approval to construct and operate the Montanore Project in 2002.”
    ¶13   DEQ approved MMC’s application on January 17, 2017. Pursuant to the Montana
    Administrative Procedure Act (MAPA), MMC appealed certain provisions of the 2017
    permit in February 2017. The 2017 MPDES permit went into effect, except for those
    provisions stayed by DEQ in response to the MAPA action, on March 1, 2017. The 2017
    MPDES permit added MMC’s five new requested stormwater outfalls, which allowed
    discharges directly into both Ramsey Creek and Poorman Creek.          MEIC, Save Our
    Cabinets, and Earthworks (collectively MEIC) filed a Complaint for Declaratory Relief in
    the Montana First Judicial District Court, Lewis and Clark County, on August 15, 2017,
    8
    seeking a judicial declaration that DEQ’s 2017 issuance of the MPDES permit to MMC
    was unlawful and must be vacated.
    ¶14    On May 29, 2018, MEIC moved for summary judgment, arguing DEQ failed to
    establish mandatory technology-based effluent limitations; that DEQ failed to conduct a
    valid reasonable potential analysis to determine the need for water quality-based effluent
    limitations; that DEQ unlawfully relied on the 1992 BHES Order; and that the permit
    contains unlawful compliance schedules. DEQ and MMC each filed cross-motions for
    summary judgment on June 29, 2018, seeking to uphold DEQ’s issuance of the 2017
    Permit. After the parties completed briefing the motions, the District Court held oral
    argument on February 11, 2019. The District Court issued its Order on Cross-Motions for
    Summary Judgment on July 24, 2019, granting MEIC’s motion in most respects, denying
    DEQ and MMC’s cross-motions, and vacating the 2017 MPDES permit. The parties cross-
    appeal. Additional facts will be discussed as necessary below.
    STANDARD OF REVIEW
    ¶15    We review a district court’s grant or denial of summary judgment de novo, and
    apply the same criteria applied by the district court under M. R. Civ. P. 56(c). N. Cheyenne
    Tribe v. Mont. Dep’t of Envtl. Quality, 
    2010 MT 111
    , ¶ 18, 
    356 Mont. 296
    , 
    234 P.3d 51
    .
    Summary judgment is appropriate when there is no genuine issue of material fact and the
    moving party is entitled to judgment as a matter of law. Mont. Envtl. Info. Ctr. v. Mont.
    Dep’t of Envtl. Quality (MEIC IV), 
    2019 MT 213
    , ¶ 18, 
    397 Mont. 161
    , 
    451 P.3d 493
    .
    9
    ¶16    We review an agency decision not classified as a contested case under MAPA to
    determine whether the decision was arbitrary, capricious, unlawful, or not supported by
    substantial evidence. Mont. Envtl. Info. Ctr. v. Mont. Dep’t of Envtl. Quality (MEIC III),
    
    2016 MT 9
    , ¶ 14, 
    382 Mont. 102
    , 
    365 P.3d 454
    (citing Clark Fork Coal. v. Mont. Dep’t of
    Envtl. Quality, 
    2008 MT 407
    , ¶ 21, 
    347 Mont. 197
    , 
    197 P.3d 482
    ). Our review under this
    standard focuses on whether the agency action is (1) unlawful, or (2) arbitrary and
    capricious. N. Fork Pres. Ass’n v. Dep’t of State Lands, 
    238 Mont. 451
    , 459, 
    778 P.2d 862
    ,
    867 (1989). “While our review of agency decisions is generally narrow, we will not
    automatically defer to the agency without carefully reviewing the record and satisfying
    [our]selves that the agency has made a reasoned decision.” Clark Fork Coal., ¶ 21 (internal
    quotations and citations omitted).
    DISCUSSION
    ¶17    As a preliminary matter, we must first address the 1974 MOA between the EPA and
    Montana, which transferred the responsibility of issuing NPDES permits from EPA to
    DEQ, and its relation to the present case. Under the 1974 MOA, EPA’s non-objection to
    an MPDES permit “shall be considered as concurrence” in the issuance of that permit. In
    this case, EPA commented on the draft permit, and ultimately did not object to the issuance
    of the 2017 Permit. Pursuant to the MOA, EPA therefore concurred in DEQ’s issuance of
    that permit. While EPA concurred with DEQ’s decision to issue the 2017 Permit, the
    ultimate decision to issue the permit was made by DEQ and it is DEQ which must justify
    its permitting decisions. See S. Cal. All. of Publicly Owned Treatment Works v. EPA, 853
    
    10 F.3d 1076
    , 1081 (9th Cir. 2017). EPA’s concurrence with the issuance of an MPDES
    permit may be persuasive, but its simple non-objection to the issuance of a permit cannot
    overcome decisions made by DEQ which are arbitrary, capricious, or unlawful. With this
    in mind, we turn now to the challenged 2017 Permit.
    ¶18    Whether DEQ unlawfully relied upon a 1992 Order of the Board of Health and
    Environmental Sciences when issuing the 2017 Permit.
    ¶19    We begin our review of the contested 2017 Permit nearly 30 years ago, by first
    addressing DEQ’s reliance on the 1992 BHES Order. Since the BHES Order was issued
    in 1992, it has been relied upon by DEQ and other state and federal agencies tasked with
    permitting and determining the environmental impact of the Montanore Project. By its
    own terms, the BHES Order was to “remain in effect during the operational life of this
    mine and for so long thereafter as necessary.”        The District Court, in its Order on
    Cross-Motions for Summary Judgment, found the operational life of the mine “ended in
    1991, when Noranda abandoned the project, relinquished its federal mining authorization,
    and began reclamation.”
    ¶20    DEQ and MMC assert the District Court’s conclusion that the operational life of the
    mine ended is incorrect and contend the operational life of the mine never ended. MEIC
    argues the District Court’s reference to 1991 was either a typographical error or simply a
    harmless error, as it is clear from the language used in the Order that the District Court was
    referring to Noranda’s 2002 abandonment of the Montanore Project, which it contends
    11
    ended the operational life of the mine.6 We need not determine whether the District Court’s
    conclusion that the operational life of the mine ended in 1991 was either a typographical
    or substantive error, because we are simply tasked with reviewing whether the BHES Order
    was still in effect at the time DEQ issued the 2017 Permit, and, regardless, we “will affirm
    the district court if it reaches the right result, even for the wrong reason.” Vote Solar v.
    Mont. Dep’t of Pub. Serv. Regulation, 
    2020 MT 213A
    , ¶ 64, 
    401 Mont. 85
    , 
    473 P.3d 963
    (citing State v. Ellison, 
    2012 MT 50
    , ¶ 8, 
    364 Mont. 276
    , 
    272 P.3d 646
    ). Upon our de novo
    review of the record, we find that the operational life of the mine referred to in the 1992
    BHES Order ended when Noranda abandoned the project in 2002 and that DEQ unlawfully
    relied upon the BHES Order when issuing the 2017 Permit.
    ¶21       The BHES Order was issued in 1992, at a time when Montana’s nondegradation
    policy allowed BHES to authorize lower water quality if a showing was made that
    degradation was justified “as a result of necessary economic or social development[.]”
    Section 75-5-303(1), MCA (1989). In 1993, the Legislature revised the nondegradation
    policy for all future requests to degrade state waters, but did not make those changes
    retroactive. 1993 Mont. Laws ch. 595, § 10. Montana’s current nondegredation policy
    states:
    The department may not authorize degradation of high-quality waters unless
    it has been affirmatively demonstrated by a preponderance of evidence to the
    department that:
    6
    The Dissent implies we, similarly to the District Court, conclude the operational life of the mine
    ended in 1991. Dissent, ¶ 31 n.3. As fully explained above, this is completely inaccurate.
    12
    (a) degradation is necessary because there are no economically,
    environmentally, and technologically feasible modifications to the proposed
    project that would result in no degradation;
    (b) the proposed project will result in important economic or social
    development and that the benefit of the development exceeds the costs to
    society of allowing degradation of high-quality waters;
    (c) existing and anticipated use of state waters will be fully protected; and
    (d) the least degrading water quality protection practices determined by the
    department to be economically, environmentally, and technologically
    feasible will be fully implemented by the applicant prior to and during the
    proposed activity.
    Section 75-5-303(3), MCA.
    ¶22    Noranda first petitioned BHES for an order allowing it to degrade state waters as
    part of the proposed Montanore Project in 1989, and was ultimately granted that
    authorization in 1992. The BHES Order set numeric effluent limitations on specific
    contaminants above ambient conditions, and, by its own terms, was to “remain in effect
    during the operational life of this mine and for so long thereafter as necessary.” DEQ found
    the 1992 BHES Order was still in effect when it issued the 2017 Permit, because it believes
    the operational life of Noranda’s mine never ended. DEQ’s conclusion in this regard is
    incorrect.
    ¶23    The WQA generally requires DEQ to conduct a nondegredation review before it
    issues an MPDES permit, unless a proposed activity will result in only nonsignificant
    changes to water quality. See Clark Fork Coal., ¶¶ 11-12. In this case, DEQ did not
    conduct a full nondegredation review because it determined the BHES Order already
    13
    provided the authorization for MMC to degrade at the levels referred to in the BHES Order.
    Noranda first applied for authorization to degrade in 1989, and ultimately obtained the
    BHES Order in 1992. Using, in part, the effluent limitations set by the BHES Order, DEQ
    issued the first MPDES permit to Noranda in 1997.
    ¶24    By 1991, Noranda had ceased construction on the adit due to elevated nitrogen and
    low metal prices. Noranda continued to seek state and federal permits for the Montanore
    Project after 1991, however, in anticipation of constructing the mine at some point. After
    receiving the MPDES permit in 1997, Noranda stopped discharging in 1998. In 2001,
    Noranda applied to renew the MPDES permit; however, by 2002, Noranda totally
    abandoned the project, relinquished or attempted to relinquish its permits, and had almost
    completed reclamation work it began years earlier. DEQ did not allow Noranda to
    relinquish its MPDES permit at this time because it found reclamation work at the site was
    not entirely complete. By the time of the 2006 permit renewal, DEQ found that reclamation
    was “in its final stages” and noted the lack of discharges since 1998. Just about a month
    after Noranda received the 2006 renewal, it was acquired and turned into MMC.7 MMC
    7
    The Dissent argues that “operation of the mine was clearly revived as a purpose of the Permit in
    2004 and was specifically considered during the 2004-2006 Permit renewal process[.]” Dissent
    ¶ 33. To reach this conclusion the Dissent must ascribe the 2004 actions of MMI—which was a
    completely unrelated company that had zero ownership interest in Noranda—relating to its
    application for other non-MPDES permits to its later 2006-acquired subsidiary, Noranda (which
    then became MMC). MMI did not own Noranda in 2004. It is absurd to suggest that MMI’s
    actions can somehow be imputed to Noranda during this period when it is undisputed Noranda
    itself was attempting to abandon its permits. An, at the time, completely unrelated company stating
    its desire to build the Montanore Project cannot override Noranda’s stated aims to abandon the
    project. That MMI later acquired Noranda after the 2006 Permit renewal does not negate
    Noranda’s abandonment of all mining operations and representations of abandoning all of its
    14
    changed course from reclamation to, once again, seeking to construct and operate an active
    mine.
    ¶25     The “operational life” of the mine referred to in the 1992 BHES Order ended in
    2002 when Noranda abandoned the project and relinquished or attempted to relinquish its
    permits to construct and operate the Montanore Project. Without the relevant permits to
    operate a mine, which Noranda voluntarily gave up, it is abundantly clear that the mine
    could no longer be considered “operational” in any sense. By its own terms, however, the
    BHES Order was to be in effect beyond the operational life of the mine, “for so long
    thereafter as necessary.” In 2003, DEQ informed Noranda it would likely be necessary to
    keep the MPDES permit in place while final reclamation work was completed. Noranda’s
    reclamation work was apparently somehow still not completed by the time it was acquired
    permits. In addition, the 2006 permit renewal process began with Noranda’s application in 2001,
    not in 2004 as the Dissent claims. To support its assertion that MMI initiated the MPDES renewal
    process, the Dissent cites to the District Court’s Order on Cross-Motions for Summary Judgment.
    Dissent, ¶ 31 n.4. This notation is somewhat misleading. The District Court’s Order noted, “[i]n
    2004, Mines Management, Inc., submitted an application for a ‘renewed MPDES permit that
    covered additional discharges not currently permitted under the existing MPDES permit.’” The
    District Court cited to the 2015 Final EIS for this contention. That document states, “[i]n 2004,
    MMI submitted an application for a hard rock operating permit to the DEQ and a pro-posed Plan
    of Operations for the Montanore Project to the KNF. In 2005, MMI also submitted to the DEQ an
    application for a 230-kV transmission line certificate of compliance, an application for an air
    quality permit, and an application for a renewed MPDES permit that covered additional discharges
    not currently permitted under the existing MPDES permit.” Quite notably, the only place this
    language appears to be found in the administrative record is in the draft and final environmental
    impact statements for the Montanore Project, while the actual 2006 Permit is completely silent on
    both any alleged MMI involvement in the MPDES permitting process and any request for
    additional discharges not already allowed by the 1997 Permit. As both the Fact Sheet to the 2017
    Permit and DEQ’s 2016 Record of Decision for the Montanore Project note, the first request for
    additional discharges under MPDES Permit No. MT0030279 was made in 2010, after Noranda
    was purchased by MMI and became MMC.
    15
    and became MMC in 2006, even though it ceased construction on the Libby Adit in 1991,
    stopped discharging in 1998, and had sought to abandon the project and relinquish the
    MPDES permit in 2002. It would be absurd to interpret the BHES Order’s “as necessary”
    language to include Noranda’s abandonment of the project and nearly-complete
    reclamation work to extend to MMC’s proposed new mine project. While DEQ could force
    Noranda to maintain its MPDES permit to complete reclamation work, it could not later
    issue an MPDES permit with degradation standards from the 1992 BHES Order to MMC
    because that order had plainly expired as soon as the project transitioned to reclamation. It
    was no longer necessary at that point for the Montanore Project to adhere to the BHES-
    issued degradation standards from 1992, it was instead necessary for DEQ to conduct a full
    nondegredation review under current standards as required by the WQA. Section 75-5-
    303, MCA.
    ¶26    Once again, we reiterate that we “remain mindful of the fact that Montanans have a
    constitutional right to a clean and healthful environment.” Upper Mo. Waterkeeper v.
    Mont. Dep’t of Envtl. Quality, 
    2019 MT 81
    , ¶ 41, 
    395 Mont. 263
    , 
    438 P.3d 792
    (citing
    Mont. Const. art. II, § 3).    After our review of the record, we cannot find DEQ’s
    interpretation that the 1992 BHES Order remains in effect was a “reasoned decision,” and
    we will not defer to that interpretation. Clark Fork Coal., ¶ 21. DEQ’s use of an expired
    1992 BHES Order to sidestep Montana’s enhanced nondegredation policy, in effect since
    1993, in issuing the 2017 permit was unlawful and rightly rejected by the District Court,
    because “Montana courts do not defer to incorrect or unlawful agency decisions[.]” MEIC
    16
    IV, ¶ 22.8 While the District Court’s statement that the operational life of the mine ended
    in 1991 was incorrect, its ultimate conclusion that the operational life of the mine ended
    and the BHES Order expired prior to DEQ issuing the 2017 Permit was correct and is
    affirmed.
    ¶27    Because DEQ relied upon an expired BHES Order when it issued the 2017 Permit,
    we conclude the 2017 Permit was not validly issued and must be vacated. Discharging
    pollutants into state waters without a valid NPDES permit is illegal under the CWA.
    33 U.S.C. §§ 1311(a), 1342. For MMC to pursue the project upon new application, DEQ
    will have to conduct the degradation review required by § 75-5-303(3), MCA, to determine
    if it is appropriate to authorize degradation and, if so, proceed to MPDES permitting. We
    therefore remand this matter to DEQ for further action. As this issue is dispositive, we
    decline to address the other issues appealed by the parties.9
    8
    The Dissent notes that there are other water quality regulations outside the parameters of the
    BHES Order. Dissent, ¶ 29 n.2. While this may be accurate, it is irrelevant to the issue here as to
    whether the BHES Order had expired. The Dissent also appears to assert that as the BHES Order
    refers to the Montanore Mine Project, that a subsequent company can completely avoid permitting
    a new mining operation so long as the new developer gives the project the same name as the
    previous defunct project. Dissent, ¶ 33 n.5. This is an odd reading under the facts of this case, as
    the new version of the Montanore Project is “considered as a new proposed Plan of Operations”
    by the relevant authorities because Noranda “relinquished the federal approval to construct and
    operate the Montanore Project in 2002.”
    9
    While recognizing a single issue can be determinative on appeal, the Dissent seems to take issue
    with determining this cause on this issue as the parties’ briefing was not lengthy enough and this
    issue was not presented earlier in the briefing. Of course, this assertion ignores the full
    record before us. The parties fully presented this issue to the District Court which ruled upon the
    issue—setting forth its detailed rationale for vacating the permit based on expiration of the BHES
    Order. Further, both parties clearly recognized this issue as an appeal issue as it is specifically
    delineated as an appeal issue in the parties’ respective statements of issues. From the briefing it is
    clear MEIC considers this issue determinative, devoting nearly seven pages of its opening brief to
    17
    CONCLUSION
    ¶28    DEQ acted arbitrarily, capriciously, and unlawfully by relying on the expired BHES
    Order when it issued the 2017 Permit. The 2017 Permit is vacated and this matter is
    remanded to DEQ for further action.
    /S/ INGRID GUSTAFSON
    We concur:
    /S/ MIKE McGRATH
    /S/ BETH BAKER
    /S/ DIRK M. SANDEFUR
    Justice Jim Rice, dissenting.
    ¶29    I have grave concerns about the Court’s decision, particularly upon the very limited
    briefing the parties have submitted on the issue of the Montana Pollutant Discharge
    Elimination System (MPDES) Permit’s reliance upon the Board of Health and
    Environmental Sciences (BHES) order. The impact of this holding is very significant: the
    the issue—repeatedly asserting the BHES Order expired upon Noranda’s abandonment of mining
    operations, had no application to the current project, and the District Court appropriately vacated
    the challenged permit in its entirety. DEQ clearly recognized it as an appeal issue, had full
    opportunity to brief it, and did not in any way indicate it was somehow precluded from doing so.
    The Dissent also suggests that perhaps the challenge regarding this issue is too late. This assertion
    appears primarily related to the Dissent’s inaccurate conflation of MMI’s and Noranda’s separate
    projects at a time when they were two separate and distinct entities. Further, no party makes a
    waiver argument; at most, MMC asserts it shows “weakness” in MEIC’s argument, but does not
    argue the issue should be precluded from consideration.
    18
    Court is sweeping away over 14 years of effort and costs expended by many parties and
    entities, including multiple government agencies, not just the Department of
    Environmental Quality (DEQ).1 Yet, in its opening brief, Appellant DEQ summarily
    discussed this issue in less than three pages, from page 43 to 45, while devoting extensive
    briefing to the District Court’s reversal of DEQ’s individual regulatory actions related to
    the Permit.    Similarly, starting at page 40 of its answer brief, Appellee Montana
    Environmental Information Center (MEIC) gave the issue about five pages of discussion
    after focusing heavily on the other issues. Then, in reply, DEQ addressed the issue in a
    page and a half, simply noting that the BHES order “has not expired or otherwise been
    withdrawn. As a result, DEQ implemented the BHES Order in site-specific discharge
    permits in 1997 and 2006 and does not have authority to disregard it.” This followed
    DEQ’s explanation in its opening brief that it had applied the BHES Order for all “previous
    renewals of the Permit.”2 While a single issue can be determinative on appeal, and a
    “sleeper” issue at that, given the circumstances here and the enormous impact, I would
    1
    Over the years of the permit, agencies participating in review and regulation of the project
    include, in their various reconfigurations, DEQ, Department of State Lands, Department of Health
    and Environmental Sciences, Department of Natural Resources and Conservation, Environmental
    Protection Agency, Kootenai National Forest, and Bureau of Land Management.
    2
    DEQ also explained that other regulations protecting water quality are in place for uses outside
    the parameters covered by the BHES order. See also Letter from John F. North, Chief Legal
    Counsel, DEQ, to Eric Klepfer, Klepfer Mining Services LLC, Re: Board Order & Water Quality
    Standards (Feb. 24, 2015), AR4J1 / 3564 (stating “Montanore will be required to comply with the
    new nutrient standards at the time its permit is renewed”).
    19
    discretionarily order supplemental briefing so the parties could re-focus their arguments to
    give appropriate emphasis to what has developed to be a determinative question.
    ¶30    The Court concludes “that the operational life of the mine referred to in the 1992
    BHES Order ended when Noranda abandoned the project in 2002 and that DEQ unlawfully
    relied upon the BHES Order when issuing the 2017 Permit.” Opinion, ¶ 20. I believe the
    record reveals contrary indications about abandonment and the operational purpose of the
    mine, and that, as an issue of law, reliance upon the BHES order could have been
    challenged 14 years ago in 2006 when the Permit was renewed, and, thus, was waived at
    that time.
    ¶31    On November 20, 1992, as the Court notes, the BHES set forth in its “Final Decision
    and Statement of Reasons” that
    [t]he provisions of this Order are applicable to surface and ground water
    affected by the Montanore Mine Project located in Sanders and Lincoln
    County, Montana, and shall remain in effect during the operational life of
    this mine and for so long thereafter as necessary.
    (Emphasis added.) Of course, the duration of the BHES order was not merely set by its
    terms, but also by statute. In 1993, the Legislature adopted revisions to its non-degradation
    policy, but directed it would apply only to permit requests “filed with the department after
    [April 29, 1993],” thus effectively “grandfathering” existing permits under the former
    policy. 1993 Mont. Laws ch. 595, § 10. This is why DEQ explains it “does not have
    authority” to disregard the BHES Order—it is a matter of statutory law. In 2004, Mines
    20
    Management, Inc. (MMI),3 submitted a new plan for the Montanore Project to the Kootenai
    National Forest, but not merely for reclamation, rather, as the Court acknowledges, for
    operation of the mine. AR10B / 6293; Opinion, ¶ 10. That led to the MMI’s corresponding
    application for renewal of the MPDES Permit,4 and a public process undertaken by DEQ
    for review of that application. As DEQ later summarized in “Noranda Minerals Corp.,
    MPDES Permit renewal—Response to Public Comment,” issued March 20, 2006, along
    with the MPDES permit:
    On February 4, 2006, the Department issued Public Notice MT-06-01
    presenting a tentative determination to issue a wastewater discharge permit
    renewal to Noranda Minerals Corp. The public notice stated that the
    Department had prepared a draft permit and statement of basis and that it was
    available for public review and comment. The notice required that all
    comments received or postmarked by March 6, 2006 would be considered in
    formulation of a final determination and issuance of the permit.
    AR6C / 4576. DEQ provided several public notices of its preliminary determination for
    renewal of the Permit, “and for the holding of a public hearing as required in ARM Title
    17, Chapter 30, and Subchapter 13.” AR1C / 0065. Under the administrative rules
    governing issuance of MPDES permits,
    3
    At this time, MMI held all Hayes Ridge (HR) lode mining claims relevant to the Montanore
    Project. Just two years prior, in 2002, Noranda Minerals terminated a lease agreement with Newhi,
    Inc. and conveyed HR 133 and 134 to Newhi, a subsidiary of MMI. AR 10B / 6224. In other
    words, at the time of MMI’s 2004 application, MMI held the right to possess, develop, and extract
    minerals from the Montanore Project. As DEQ argues, “[t]he District Court’s assertion that the
    operational life of the mine ended in 1991 is factually inaccurate,” as is the Court’s similar
    conclusion in ¶ 20.
    4
    “In 2004, Mines Management, Inc., submitted an application for a ‘renewed MPDES permit’. . . .”
    Order on Cross-Motions for Summary Judgment, 4, July 24, 2019, No. CDV-2017-641.
    21
    [a]ll persons, including applicants, who believe any condition of a draft
    permit is inappropriate or that the department’s tentative decision to deny an
    application, terminate a permit, or prepare a draft permit is inappropriate,
    shall raise all reasonably ascertainable issues and submit all reasonably
    available arguments supporting their position by the close of the public
    comment period (including any public hearing) under ARM 17.30.1372.
    Mont. Admin. R. 17.30.1375 (1989). (Emphasis added.) Consequently, public comments
    were taken and thereafter responded to by DEQ, ultimately resulting in the final issuance
    of the MPDES permit renewal, effective April 1, 2006. However, no party appealed DEQ’s
    issuance of the renewed MPDES permit, including its reliance therein on the BHES order.
    See Mont. Admin. R. 17.30.109(1) (2018) (allowing for the permit applicant, person, or
    entity whose “substantial interests are adversely affected by” the agencies final action may
    appeal to the board “in writing and set forth the positions of the appealing party, the basis
    for the appeal, and the alleged errors of fact or law that were made by the department”).
    The issue of DEQ’s reliance upon the BHES order could have been—and, to properly
    preserve a legal challenge to that reliance, should have been—raised after the public
    process upon the 2006 renewal of the MPDES permit. It was not challenged then, and
    therefore, it appears the issue is being challenged here 14 years too late.
    ¶32    The Court states that the company changed course from reclamation to an
    operational plan for the mine after receiving the 2006 permit renewal. Opinion, ¶ 24.
    However, it appears to me that this change occurred prior to the 2006 renewal, as operation
    of the mine, as well as reliance upon the BHES order, was mentioned during the public
    permit renewal process at that time. AR10B / 6293 (recognizing that, in 2004, “MMI
    22
    submitted an application for a hard rock operating permit to the DEQ”); AR6C / 4576
    (stating that “permit limits have been calculated based on this ruling by the BHES,
    biological monitoring requirements in accordance with the BHES Final Decision and
    Statement of Reason”). The Department received and answered questions about these
    issues at that time.
    ¶33    While conflicting statements were made about abandoning the Noranda mine
    project, the MPDES Permit itself remained active “so long thereafter as necessary,”5
    according to the BHES order itself, and as a matter of law. See 1993 Mont. Laws ch. 595,
    § 10; see also Mines MGMT, Inc. v. Fus, 
    2019 MT 276
    , ¶ 9, n.6, 
    398 Mont. 15
    , 
    453 P.3d 371
    (stating “[n]otably, relevant federal and state permitting persisted”). But beyond that,
    as a matter of fact, the record indicates that operation of the mine was clearly revived as a
    purpose of the Permit in 2004 and was specifically considered during the 2004-2006 Permit
    renewal process, where reliance upon the BHES was raised and adopted by DEQ following
    public participation. For better or worse, that reliance was specifically defended by DEQ
    in response to public comments at that time. Because it was not challenged then, it appears
    to me the issue was waived. To permit a challenge now upon an issue that could have been
    5
    The Court takes issue with this language as applied to MMI in its 2004 application, stating that
    MMI’s actions cannot be imputed to Noranda. Opinion, ¶ 24, n.6. However, according to the
    BHES order, “[t]he provisions of this Order are applicable to surface and ground water affected
    by the Montanore Mine Project,” AR7A / 4641 (emphasis added), not to any specific business
    entity. Consequently, the Court’s focus on the formulations of the entities is largely a red herring;
    there was never a termination of the permit, but one continuous process. DEQ’s reliance on the
    BHES Order was a central issue during the 2006 renewal, conducted by a public process wherein
    the issue was raised and answered by DEQ, and could have been appealed at that time.
    23
    raised in 2006, even if meritorious, results in the loss of 14 years of effort, a tremendous
    waste, and demonstrates the necessity of proper application of the governing rules and of
    waiver.
    /S/ JIM RICE
    24