Cottonwood Environmental Law Center v. Edwards

District Court, D. Montana·Decided December 17, 2021·No. 2:20-cv-00028·Unknown

Opinion

IN THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF MONTANA BUTTE DIVISION

COTTONWOOD ENVIRONMENTAL

LAW CENTER, MONTANA RIVERS, 2:20-cv-00028-BU-BMM and GALLATIN WILDLIFE

ASSOCIATION,

ORDER Plaintiffs,

vs.

RON EDWARDS, in his official capacity as Manager of the Big Sky Water and Sewer District; and BIG SKY WATER AND SEWER DISTRICT,

Defendants.

INTRODUCTION Cottonwood Environmental Law Center, Montana Rivers, and Gallatin Wildlife Association (“Plaintiffs”) brought this action against Ron Edwards in his official capacity as Manager of the Big Sky Water and Sewer District and the Big Sky Water and Sewer District (collectively “Big Sky District”). Plaintiffs allege that Big Sky District violated the Clean Water Act (“CWA”) when they discharged pollutants into the West Fork of the Gallatin River without a National Pollutant Discharge Elimination System (NPDES) permit. (Doc. 8). Big Sky District and Plaintiffs filed competing motions for summary judgment. (Docs. 72 & 75). The Court held a hearing on the motions on November 17, 2021. (Doc. 88).

BACKGROUND Statutory Background Congress enacted the CWA “to restore and maintain the chemical, physical, and biological integrity of the Nation’s waters.” 33 U.S.C. § 1251(a). To accomplish

that goal, Congress prohibited the “addition” of any pollutant from a “point source” to “navigable waters” without a NPDES permit. Id. § 1311(a). The CWA authorizes the Administrator of the U.S. Environmental Protection Agency (“EPA”) or a

delegated state agency to issue a NPDES permit to an entity that seeks to discharge pollution into navigable waters. See U.S. EPA v. California ex rel. State Water Res. Control Bd., 426 U.S. 200, 202–03 (1976); Milwaukee v. Illinois, 451 U.S. 304, 310– 311 (1981). EPA authorized the Montana Department of Environmental Quality

(“MT DEQ”) to run its own discharge permit system, known as the Montana Pollutant Discharge Elimination System (“MPDES”). The CWA defines “pollutant” broadly to include any solid waste, sewage,

incinerator residue, heat, discarded equipment, sand, as well as industrial, municipal, and agricultural waste. 33 U.S.C. § 1362(6). It further defines a “point source” as “any discernible, confined and discrete conveyance [. . .] from which pollutants are or may be discharged,” including, for example, any “pipe, ditch, channel, tunnel, conduit” or “well.” Id. § 1362(14). The CWA defines “discharge of a pollutant” as “any addition of any pollutant to navigable waters from any point source.” § 1362

(12). Factual Background Big Sky District provides wastewater and sewer services for the resort community at Big Sky, Montana. Big Sky District’s service area encompasses over

6,000 acres and includes single-family residences, condominiums and townhouses, hotels, restaurants, and commercial centers. Big Sky District collects water from district water users for treatment at its Water Resources Recovery Facility

(“WRRF”). The current WRRF began operations in 1996. Big Sky District upgraded the WRRF in 2004 to increase its treatment capacity. The Big Sky District’s user base has grown significantly in recent years. MT DEQ noted in 2020 that the WRRF “is

at capacity and does not allow the District to produce reclaimed effluent of the quality needed for reuse activities.” (Doc. 23-1 at 3). MT DEQ further opined that the WRRF is “pushed to the limit during wet-weather and spring run-off conditions

[. . .] resulting in elevated nitrogen, biological oxygen demand and total suspended solids leaving the treatment facility.” (Doc. 23-1 at 2–3). The WRRF treatment process removes debris and grit, treats nitrogen through aerobic and anaerobic conditioning, filters the water, and finally disinfects the water. Although wastewater goes through a significant treatment process at the WRRF, the treated effluent retains many pollutants, including nitrogen. Excess nitrogen causes

algae blooms in rivers and streams that can harm aquatic animal and plant life. Big Sky District stores the treated effluent in lined wastewater holding ponds at the WRRF. Big Sky District disposes of all its treated effluent through irrigation—

primarily by irrigating the neighboring Meadow Village Golf Course during the summer months. Big Sky District has a 99-year lease for land disposal of its treated wastewater on the Meadow Village Golf Course that runs through 2076. (Doc. 22- 4).

MT DEQ regulates Big Sky District’s land disposal irrigation through a Nutrient Management Plan (“NMP”). (Doc. 22-1). The NMP governs irrigation of the Meadow Village Golf Course to ensure that the turf grass and plants along the

course absorb the nitrogen delivered through irrigation. (Id. at 11–12, 16, 25). The NMP’s goal remains to prevent excess nitrogen and other nutrients from leaching into the groundwater and migrating into surface waters. (Doc. 22-1 at 11, 16, 25). Boyne U.S.A., Inc. (“Boyne”), the Meadow Village Golf Course owner and

operator, is not a party to the NMP. Big Sky District controls the quality, quantity, and timing of effluent used in irrigation in compliance with the NMP. Big Sky District also tracks compliance with the NMP through its operation of lysimeters to

monitor nutrient levels on the Meadow Village Golf Course. (Doc. 22-1 at 19–21). Meadow Village Golf Course has installed a French drain system to avoid ponding of irrigation water and precipitation.

The West Fork of the Gallatin River flows alongside the WRRF, the treated effluent holding ponds, and the Meadow Village Golf Course. In 2010, MT DEQ placed the West Fork of the Gallatin River on its CWA Section 303(d) list of water

quality impaired streams. (Doc. 23-3 at 76 (citing 33 U.S.C. § 1313(d))). To address the water quality issue, in 2010, MT DEQ published a Total Maximum Daily Load and corresponding water quality improvement plan to clarify the maximum amount of nitrogen that the West Fork of the Gallatin River could receive and still meet state

water quality standards. (Doc. 23-3 at 76–79). MT DEQ observed that nitrogen levels in the West Fork of the Gallatin River already exceed maximum quantity, and that river nitrogen originates from sources including “improper management of land-

applied effluent.” (Doc. 23-3 at 83–86). Groundwater that percolates from the Meadow Village Golf Course naturally sits in aquifers beneath Big Sky District’s lined holding ponds. The groundwater in these aquifers is hydrologically connected to the West Fork of the Gallatin River. If

the groundwater level rises too high, the groundwater would “float” the holding pond liner. This floating of the holding pond liner, in turn, would lead to effluent spillover from the holding pond. Big Sky District diverts groundwater under its holding ponds into the West Fork of the Gallatin River using an underdrain pipe system to prevent such spillover.

Plaintiffs allege that Big Sky District over-irrigates the Meadow Village Golf Course. Plaintiffs allege that this over-irrigation causes nitrogen and other pollutants to flow downhill and enter the West Fork of the Gallatin via two mechanisms: 1) the

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