BAIRD STP Wastewater Treatment Plant, Callahan County, Texas

BAIRD STP is a municipal wastewater treatment facility located in Callahan County, Texas, serving a population of approximately 1,700 residents. The plant operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal wastewater discharges to protect water quality. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 681.37 volume units and an average daily discharge of 567.81 volume units, the facility operates below its maximum capacity, indicating adequate headroom for current demand. The treated effluent is discharged into a local water body within the Brazos River basin, which flows southeast through Texas to the Gulf of Mexico. The plant's operations help maintain the ecological health of the receiving waters, supporting aquatic life and downstream uses.

The plant discharges into a tributary of the Brazos River, which flows through central Texas to the Gulf of Mexico. The Brazos River basin supports diverse aquatic habitats and is an important water resource for agriculture and communities. The plant's secondary treatment reduces organic pollutants and suspended solids, protecting downstream water quality and aquatic ecosystems.