MOUNT UNION STL Wastewater Treatment Plant, Henry County, Iowa

MOUNT UNION STL is a municipal wastewater treatment facility located in Henry County, Iowa, United States. Serving a small population of 108 people, this plant plays a key role in managing local wastewater in a rural agricultural setting. The plant operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment as a minimum standard for municipal facilities. The plant has a designed capacity of 75.71 volume units and a similar discharge volume, indicating it operates near its design capacity. As a secondary treatment plant, it uses biological processes to remove organic matter and suspended solids, meeting the standard requirements for discharge into surface waters. The facility is situated inland, far from coastal areas, reducing direct marine impact. The treated effluent from MOUNT UNION STL is discharged into local streams that drain into the Mississippi River basin, ultimately reaching the Gulf of Mexico. This contributes to the overall health of the watershed, supporting aquatic life and downstream water quality. The plant's operation helps protect local water resources from untreated sewage contamination.

The plant discharges into local waterways that are part of the Mississippi River basin, which flows into the Gulf of Mexico. This watershed supports diverse aquatic ecosystems and is important for agriculture and recreation in the region. The secondary treatment process reduces organic pollutants, helping to maintain water quality in downstream rivers and lakes.