Cedar Hill Lakes WWTP - Advanced Wastewater Treatment in Jefferson County, Missouri

Cedar Hill Lakes WWTP is a wastewater treatment facility located in Jefferson County, Missouri, within the Meramec Township. The plant serves a small community of 237 residents, providing advanced treatment to protect local water quality. As a small-scale facility, it plays a key role in managing wastewater in this rural area of eastern Missouri. The plant operates with advanced treatment processes, which go beyond the secondary treatment standard required by the U.S. Clean Water Act. With a designed capacity of 83.28 volume units and a current discharge volume of 75.71 units, the facility operates efficiently. Under the National Pollutant Discharge Elimination System (NPDES), plants of this scale must meet strict effluent limits to safeguard receiving waters. The treated effluent from Cedar Hill Lakes WWTP enters the local watershed, which drains into the Meramec River. The Meramec River flows southward to join the Mississippi River, a major waterway that ultimately reaches the Gulf of Mexico. The plant's advanced treatment helps reduce nutrient and pollutant loads, supporting aquatic life and downstream ecosystems.

The plant discharges into the Meramec River watershed, which flows into the Mississippi River and eventually the Gulf of Mexico. The Meramec River supports diverse aquatic species and is an important recreational resource. Advanced treatment at this plant helps minimize nutrient pollution, protecting downstream water quality and the ecological health of the Mississippi River basin.