Overview
Mexia WWTP serves approximately 6,700 residents in Mexia, Texas. The facility operates under the U.S. Clean Water Act, with regulatory oversight for municipal wastewater treatment.
Mexia WWTP is a municipal wastewater treatment facility located in Mexia, Texas, serving a population of around 6,700. The plant is situated in Limestone County and is part of the state's wastewater infrastructure managed under the U.S. Clean Water Act. As a medium-sized agglomeration, the plant is expected to meet secondary treatment standards under the National Pollutant Discharge Elimination System (NPDES) permit program. Typical plants of this scale employ biological treatment followed by disinfection to meet effluent limits. The plant discharges treated wastewater into local waterways that drain into the Brazos River basin, ultimately reaching the Gulf of Mexico. The receiving waters support aquatic life and are used for recreation and agriculture downstream.
Environmental context
The plant's treated effluent flows into tributaries of the Navasota River, which joins the Brazos River before emptying into the Gulf of Mexico. The Brazos River basin is ecologically significant, supporting diverse fish populations and providing habitat for migratory birds. Downstream waters are used for irrigation and municipal supply, making nutrient and pathogen control important for water quality.
Frequently asked questions
Mexia WWTP is located on South McKinney Street in Mexia, Limestone County, Texas, United States.
The plant serves approximately 6,700 residents in the city of Mexia and surrounding areas.
The plant discharges treated effluent into local tributaries that flow into the Navasota River, part of the Brazos River basin, which ultimately reaches the Gulf of Mexico.
The plant operates under the U.S. Clean Water Act, with discharge permits issued under the National Pollutant Discharge Elimination System (NPDES) by the Texas Commission on Environmental Quality.
Plants of this scale typically use secondary treatment processes such as activated sludge or trickling filters, followed by disinfection, to meet EPA effluent guidelines for BOD, TSS, and pathogens.
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