Olathe Cedar Creek WWTP - Olathe, Kansas Wastewater Treatment Plant

Olathe Cedar Creek WWTP is a municipal wastewater treatment facility located in Olathe, Johnson County, Kansas. Serving a population of approximately 25,843, the plant is part of the region's infrastructure managed to protect local water quality. Under the US Clean Water Act, plants of this scale are typically required to meet secondary treatment standards through National Pollutant Discharge Elimination System (NPDES) permits issued by the Kansas Department of Health and Environment. These permits set effluent limits to safeguard receiving waters. The plant's treated effluent flows into the Kansas River watershed, which drains into the Missouri River and ultimately the Mississippi River. This system supports diverse aquatic life and provides water for downstream communities and agriculture.

The plant discharges into the Kansas River basin, a tributary of the Missouri River, which flows into the Mississippi River. This watershed supports diverse aquatic species and provides drinking water for millions. The region's agricultural and urban runoff can impact water quality, making effective treatment critical for downstream ecosystems.