Asherton WWTP - Secondary Treatment Facility in Dimmit County, Texas

Asherton WWTP is a municipal wastewater treatment plant located in Dimmit County, Texas, United States. The facility serves a population of approximately 1,570 residents and operates under the regulatory framework of the US Clean Water Act, which governs wastewater discharges through the National Pollutant Discharge Elimination System (NPDES) permit program. The plant provides secondary treatment, a standard level required for most municipal facilities in the United States. Its designed capacity is 757.08 thousand cubic meters per year, with an actual discharge volume of 302.83 thousand cubic meters per year, indicating operational capacity below design levels. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The treated effluent from Asherton WWTP is discharged into a local water body, likely a tributary of the Nueces River basin, which ultimately flows into the Gulf of Mexico. The plant's inland location, over 50 km from the coast, reduces direct marine impact. The surrounding region is semi-arid, and the plant plays a role in protecting local water quality and supporting downstream ecosystems.

Asherton WWTP discharges into a local watercourse within the Nueces River basin, which drains into the Gulf of Mexico. The receiving water body supports aquatic life and is part of a semi-arid watershed where water resources are critical for both ecological and human uses. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, contributing to the health of downstream habitats and the coastal zone.