AVON STP - Secondary Wastewater Treatment Plant in Avon Township, Minnesota

AVON STP is a municipal wastewater treatment plant located in Avon Township, Stearns County, Minnesota, United States. The facility serves a small community of approximately 1,427 residents, providing essential wastewater treatment services for the area. The plant operates at the secondary treatment level, which is the minimum standard required under the U.S. Clean Water Act for municipal wastewater treatment. Secondary treatment typically involves biological processes to remove organic matter and suspended solids. The plant has a designed capacity of 1,805.64 units and currently treats an average daily flow of 882.00 units, indicating it operates well below its capacity. The treated effluent is discharged into a local water body, which ultimately drains into the Mississippi River basin. The plant plays a key role in protecting downstream water quality in the region, supporting aquatic life and recreational uses in the watershed.

The plant discharges into a local stream that flows into the Mississippi River basin, a major waterway that drains much of the central United States. The Mississippi River and its tributaries support diverse aquatic ecosystems and provide drinking water for millions. The plant's secondary treatment helps reduce nutrient and organic pollution, mitigating impacts on downstream water quality and aquatic habitats.