Montana Supreme Court /Party /Montana Environmental Information Center

Montana Environmental Information Center

Cases
35
Open
6
Active span
2005–2026

Cases

DocketCaptionCapacityStatusOutcomeOpinion
OP 26-0596 MEIC & Sierra Club v. 16th Jud. District Court Petitioner Closed Petition for writ of supervisory control denied –
DA 26-0428 DEQ v. Montana Board of Env. Review Appellee Open – –
DA 26-0429 DEQ v. MT Board of Env. Review Appellee Open – –
DA 26-0188 Bull Mountain v. Mtdeq Appellant Open – –
DA 26-0130 MEIC v. State Appellant Open – –
DA 25-0781 M.E.I.C. v. D.E.Q Appellant Open – –
DA 25-0054 Saslav v. Howe Appellee Open – –
DA 25-0055 Saslav v. Howe Appellee Closed Dismissed - voluntary or stipulated –
DA 23-0648 MEIC v. Governor Appellant Closed Reversed 2025 MT 112
DA 23-0320 MEIC v. Montana DEQ Appellee Closed Affirmed in part, reversed in part –
DA 23-0268 Trout Unlimited v. DNRC Appellant Closed Affirmed 2025 MT 1
DA 23-0225 MEIC v. DEQ Cross Appellant Closed Affirmed in part, reversed in part 2025 MT 3
DA 22-0436 MEIC v. PSC Appellee Closed Reversed 2024 MT 56
DA 22-0437 MEIC v. PSC & Northwestern Corp Appellee Closed Reversed –
DA 22-0406 Montana Trout Unlimited v. Tintina Appellee Closed Reversed 2024 MT 36
DA 22-0281 MEIC v. DEQ Appellee Closed Reversed –
DA 22-0067 MEIC v. DEQ Appellee Closed Reversed –
DA 22-0068 MEIC v. DEQ Appellee Closed Reversed –
DA 22-0064 MEIC v. Westmoreland Rosebud Mining Appellee Closed Reversed 2023 MT 224
OP 21-0655 Westmoreland v. 16th Judicial District Other Closed Petition for writ of supervisory control denied –
OP 20-0292 Environmental Review v. 16th Judicial Dist Other Closed Petition for writ of supervisory control denied –
DA 19-0565 MEIC v. N. Western Energy Appellee Closed Reversed –
DA 19-0553 MEIC v. DEQ Appellee Closed Reversed 2020 MT 288
DA 19-0484 Clark Fork Coalition v. DNRC Appellee Closed Reversed 2021 MT 44
DA 19-0299 Signal Peak v. MEIC Appellee Closed Dismissed - Other –
DA 19-0223 Vote Solar v. PSC Appellee Closed Reversed 2020 MT 213A
DA 18-0110 MEIC v. Western Energy Appellee Closed Reversed 2019 MT 213
DA 16-0562 MEIC v. W. Energy Appellee Closed Closed - Outcome unknown (closed without outcome) –
DA 15-0208 MEIC v. DEQ Appellant Closed Affirmed 2016 MT 9
DA 12-0184 Northern Plains, et al. v. Brd of Land et al Appellant Closed Affirmed 2012 MT 234
DA 12-0185 Mt. Environ., et al, v. Brd of Land, et al Appellant Closed Affirmed –
DA 10-0114 MEIC v. S. Montana Electric Appellee Closed Dismissed - Other –
DA 09-0322 Plains Grains v. Cascade County Appellant Closed Reversed 2010 MT 155
OP 09-0054 Plains Grains v. 8th Judicial District Petitioner Closed Petition for writ of supervisory control granted –
05-286 Montana Environmental Info. Center v. MT Dept. of Environmental Quality Appellant Closed Dismissed - Other –