BLENCOE STL Wastewater Treatment Plant - Blencoe, Iowa

BLENCOE STL is a municipal wastewater treatment plant located in Blencoe, Monona County, Iowa, United States. The facility serves a small population of approximately 250 residents, reflecting its role in a rural community. The plant is situated along County Highway E60 and operates as part of the local infrastructure managed by the city. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal wastewater facilities. With a designed capacity of 75.71 volume units and a similar discharge volume, the plant is sized appropriately for its service area. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids before discharge. The treated effluent from BLENCOE STL is discharged into nearby surface waters, which ultimately drain into the Missouri River watershed. This river system flows southward to join the Mississippi River, supporting diverse aquatic life and providing water for downstream communities. The plant's operations are regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, ensuring compliance with water quality standards.

The plant discharges into local streams that are part of the Missouri River basin, a major tributary of the Mississippi River. This watershed supports a variety of fish and wildlife species, including migratory birds along the Central Flyway. Downstream waters are used for recreation, agriculture, and drinking water, making effective treatment essential for protecting ecosystem health and human uses.