Casey WWTP - Advanced Wastewater Treatment in Casey, Iowa

Casey WWTP is a municipal wastewater treatment facility located in Casey, Iowa, serving a small population of 426 residents. The plant provides advanced treatment, ensuring high-quality effluent before discharge into the local environment. With a designed capacity of 264.98 megaliters and an annual discharge volume of 227.13 megaliters, the plant operates under the US Clean Water Act, which requires NPDES permits for all point-source discharges. For small agglomerations like Casey, advanced treatment goes beyond secondary standards, often incorporating nutrient removal to protect sensitive water bodies. The treated effluent enters the local watershed, which drains into the Middle Raccoon River, a tributary of the Raccoon River, and ultimately flows into the Des Moines River. This river system supports diverse aquatic life and provides drinking water for downstream communities, making the plant's advanced treatment crucial for maintaining water quality.

The plant discharges into the Middle Raccoon River watershed, which flows into the Raccoon River and then the Des Moines River, a major tributary of the Mississippi River. This river system supports diverse aquatic species and provides drinking water for downstream populations. The advanced treatment helps reduce nutrient loading, protecting the ecological health of these waterways.