Churdan WWTP - Secondary Treatment Plant in Churdan, Iowa

Churdan WWTP is a municipal wastewater treatment facility located in Churdan, Iowa, a small community in Greene County. The plant serves a population of approximately 386 residents, consistent with a small rural agglomeration. It operates under the regulatory framework of the U.S. Clean Water Act, which requires secondary treatment for municipal discharges. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 83.28 million gallons per year, the facility manages the wastewater generated by the local community. As a small plant, it is subject to National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Iowa Department of Natural Resources. The treated effluent is discharged into nearby waterways that drain into the Raccoon River watershed, part of the Mississippi River Basin. This downstream system supports diverse aquatic life and provides drinking water for downstream communities. The plant's operations help protect local water quality and the ecological health of the region.

The plant discharges into local streams that flow into the Raccoon River, a tributary of the Des Moines River, which ultimately reaches the Mississippi River. This watershed supports a variety of fish and wildlife and is used for recreation and agriculture. Protecting water quality here is important for downstream ecosystems and human uses.