EXLINE WWTP - Secondary Treatment Plant in Exline, Iowa

EXLINE WWTP is a municipal wastewater treatment facility located on East Willow Street in Exline, Appanoose County, Iowa. Serving a small population of 187, the plant provides secondary treatment to meet state and federal water quality standards. The plant has a designed capacity of 71.92 volume units and discharges a similar volume, indicating it operates at full capacity. As a secondary treatment facility, it removes organic matter and suspended solids, aligning with typical requirements for small communities under the U.S. Clean Water Act. The treated effluent is discharged into local streams that drain into the Chariton River basin, eventually reaching the Mississippi River. This contributes to the protection of downstream aquatic ecosystems and supports the overall health of the Mississippi River watershed.

The plant's discharge enters local waterways within the Chariton River basin, which flows into the Des Moines River and ultimately the Mississippi River. This watershed supports diverse aquatic life and provides habitat for fish and migratory birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in this agriculturally intensive region.