Overview
Ronan Lagoon is a secondary treatment plant serving 1,547 people in Ronan, Montana. It discharges 567.81 megaliters annually within a designed capacity of 764.65 megaliters.
Ronan Lagoon is a municipal wastewater treatment facility located in Ronan, Montana, United States. The plant serves a population of approximately 1,547 residents, making it a small-scale facility typical of rural communities in the region. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater. With an annual discharge volume of 567.81 megaliters and a designed capacity of 764.65 megaliters, the facility operates below its full capacity, indicating room for future growth. The treated effluent is discharged into the local watershed, which ultimately drains into the Flathead River system and then into Flathead Lake, one of the largest natural freshwater lakes in the western United States. The plant's operations are regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, ensuring compliance with water quality standards to protect downstream aquatic ecosystems.
Environmental context
Ronan Lagoon discharges into the Flathead River basin, which flows into Flathead Lake, a large oligotrophic lake known for its clear waters and diverse aquatic life. The lake supports native fish species such as bull trout and westslope cutthroat trout. The plant's secondary treatment helps reduce nutrient loads, protecting the lake's water quality and ecological health.
Frequently asked questions
Ronan Lagoon is located in Ronan, Montana, United States, at 2nd Avenue Southwest near the Ronan Health Center.
Ronan Lagoon serves approximately 1,547 people in the Ronan community.
The treated wastewater is discharged into the local watershed, which flows into the Flathead River and ultimately into Flathead Lake.
Ronan Lagoon provides secondary treatment, which is the standard required by the U.S. Clean Water Act for municipal wastewater.
Ronan Lagoon operates under the U.S. Clean Water Act and is regulated via the National Pollutant Discharge Elimination System (NPDES) permit program, which sets limits on discharges to protect water quality.
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