RHODES STL Wastewater Treatment Plant, Rhodes, Iowa

RHODES STL is a municipal wastewater treatment plant located in Rhodes, Iowa, within the Heart of Iowa Nature Trail area. The plant serves a small population of 272 residents, reflecting its role in a rural community. As a secondary treatment facility, it provides biological treatment to reduce organic matter and suspended solids before discharge. The plant's designed capacity is 113.56 volume units, and it operates under the regulatory framework of the US Clean Water Act, which requires NPDES permits for all point source discharges. For small communities like Rhodes, secondary treatment is the standard requirement to protect water quality. The plant's discharge volume aligns with its capacity, indicating consistent operation. The treated effluent is discharged into local waterways that ultimately drain into the Mississippi River basin. This watershed supports diverse aquatic life and provides drinking water for downstream communities. Proper treatment at RHODES STL helps maintain the ecological health of Iowa's streams and rivers.

The plant discharges into a tributary of the Iowa River, which flows into the Mississippi River and eventually the Gulf of Mexico. The local watershed supports agricultural runoff and natural habitats, making effective wastewater treatment crucial for preventing nutrient pollution and protecting downstream ecosystems.