Overview
Caldwell WWTP serves the community of Tunis, Texas, treating wastewater for approximately 3,300 residents. The plant operates under the U.S. Clean Water Act framework.
Caldwell WWTP is a municipal wastewater treatment facility located in Tunis, Burleson County, Texas. It serves a population of approximately 3,300 people, placing it in the small-to-medium agglomeration category. The plant is situated inland, away from coastal areas, and its operations are governed by state and federal regulations. As a U.S. facility, Caldwell WWTP is subject to the National Pollutant Discharge Elimination System (NPDES) permit program under the Clean Water Act. For plants serving populations around 3,300, secondary treatment is typically required to meet effluent limits. The plant is expected to comply with applicable discharge standards. The treated effluent from Caldwell WWTP is discharged into local waterways that ultimately drain into the Brazos River basin. The Brazos River flows southeast through Texas to the Gulf of Mexico, supporting diverse aquatic life and providing water for agricultural and municipal uses. The plant's location in a rural area means its discharge contributes to the overall water quality of the watershed.
Environmental context
Caldwell WWTP discharges into the Brazos River watershed, which drains into the Gulf of Mexico. The Brazos River is a major Texas waterway supporting diverse fish and wildlife, including several species of freshwater mussels and migratory birds. The plant's effluent must meet state water quality standards to protect downstream aquatic ecosystems and recreational uses.
Frequently asked questions
Caldwell WWTP is located on Farm-to-Market Road 166 in Tunis, Burleson County, Texas, United States.
Caldwell WWTP serves approximately 3,300 people in the Tunis area.
The treated wastewater from Caldwell WWTP is discharged into local waterways that flow into the Brazos River basin, eventually reaching the Gulf of Mexico.
As a U.S. facility, Caldwell WWTP operates under the Clean Water Act and is required to have an NPDES permit issued by the Texas Commission on Environmental Quality, setting effluent limits for pollutants.
For a plant of this size in Texas, secondary treatment is typically required, which includes biological processes to reduce organic matter and suspended solids before discharge.
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