Brockton Lagoon Wastewater Treatment Plant, Roosevelt County, Montana

Brockton Lagoon is a wastewater treatment facility located in Roosevelt County, Montana, United States. The plant serves a small community of 491 residents, providing secondary treatment for municipal wastewater. It operates as a lagoon system, a common treatment method for small populations in rural areas. The plant has a designed capacity of 136.27 volume units and a discharge volume of 113.56, indicating it operates below capacity. As a secondary treatment facility, it meets the standard requirements under the US Clean Water Act, which mandates secondary treatment for municipal wastewater to protect water quality. The treated effluent from Brockton Lagoon is discharged into the local watershed, which ultimately drains into the Missouri River basin. The plant's location in a rural, inland area means its discharge has a localized impact on nearby streams and groundwater, supporting the ecological health of the region's aquatic habitats.

Brockton Lagoon discharges into the local watershed, which is part of the larger Missouri River basin. This region supports diverse aquatic life and is important for migratory birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in a semi-arid environment where water resources are critical.