Sinclair Lagoon Wastewater Treatment Plant, Carbon County, Wyoming

Sinclair Lagoon is a wastewater treatment plant located in Carbon County, Wyoming, United States. It serves a small community of 433 people, reflecting its role as a local-scale facility in a rural setting. The plant is situated in the high plains region of southern Wyoming, an area characterized by semi-arid climate and sparse population. The plant provides secondary treatment, which is the standard level required under the US Clean Water Act for municipal wastewater facilities. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 264.98 cubic meters per day and currently discharges a volume of 189.27 cubic meters per day, indicating it operates below its full capacity. The treated effluent from Sinclair Lagoon is discharged into the local watershed, which ultimately drains into the North Platte River basin. This river system flows through Wyoming and Nebraska, eventually joining the Platte River and contributing to the Missouri-Mississippi river system. The plant's operations help protect downstream water quality and aquatic habitats in this important regional drainage.

Sinclair Lagoon discharges into the local watershed that feeds the North Platte River basin. The North Platte River flows through Wyoming and Nebraska, supporting diverse aquatic life and providing water for agriculture and communities. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, protecting the river's ecological health in a semi-arid region where water resources are critical.