Princeton WWTP - Franklin County, Kansas Wastewater Treatment Plant

Princeton WWTP is a municipal wastewater treatment facility located in Franklin County, Kansas, United States. It serves a small population of 317 residents, reflecting its role in a rural community. The plant is situated inland, far from coastal areas, and operates under the regulatory framework of the US Clean Water Act. The plant provides secondary treatment, which is the standard level required for municipal wastewater in the United States. Its designed capacity is 151.42 million gallons, and it discharges approximately 121.13 million gallons annually. As a small facility, it is subject to state-level NPDES permits that govern effluent limits and monitoring requirements. The treated effluent is discharged into a local water body that ultimately drains into the Marais des Cygnes River basin, part of the larger Missouri River watershed. This river system supports diverse aquatic life and provides water for downstream communities and agriculture. The plant's operation helps protect local water quality in this inland basin.

The plant discharges into a tributary of the Marais des Cygnes River, which flows into the Missouri River and eventually the Mississippi River. This watershed supports a variety of fish and wildlife species, including migratory birds along the Central Flyway. The secondary treatment process reduces organic pollutants and suspended solids, helping to maintain the ecological health of the receiving waters.