Purdin WWTP - Secondary Wastewater Treatment in Barton County, Missouri

Purdin WWTP is a municipal wastewater treatment facility located in Barton County, Missouri, United States. The plant serves a small population of 190 residents, reflecting its role in a rural community. It is situated near the city of Purdin and operates under the regulatory framework of the U.S. Clean Water Act. The plant provides secondary treatment, which is the standard level required for most municipal wastewater in the United States under the National Pollutant Discharge Elimination System (NPDES). The designed capacity is 98.42 m³/day, and the current discharge volume is 75.71 m³/day, indicating operational headroom. As a small facility, it is subject to state-level permitting and oversight by the Missouri Department of Natural Resources. The treated effluent is discharged into a local waterway that ultimately drains into the Osage River basin, part of the larger Missouri River watershed. This region supports diverse aquatic life and is used for recreation and agriculture. The plant's discharge contributes to maintaining water quality in the downstream environment, which is important for both ecological health and human use.

The plant discharges into a tributary of the Osage River, which flows into the Missouri River and eventually the Mississippi River. The local watershed is primarily agricultural, and the receiving water body supports fish and wildlife habitats. Maintaining secondary treatment standards helps protect downstream water quality in this ecologically sensitive region.