Tepatitlán Wastewater Treatment Plant, Tepatitlán de Morelos, Jalisco

The Tepatitlán wastewater treatment plant is located in Tepatitlán de Morelos, in the Altos Sur region of Jalisco, Mexico. It serves a population of about 71,000 people, classifying it as a medium-sized municipal facility within the state's wastewater infrastructure. As a Mexican wastewater treatment plant, it operates under the federal water law (Ley de Aguas Nacionales) and is subject to NOM-001-SEMARNAT-1996 standards, which set maximum permissible limits for pollutants in treated wastewater. The plant's treated effluent is discharged into local water bodies that ultimately drain into the Rio Grande de Santiago basin, which flows westward to the Pacific Ocean. This watershed supports agricultural activities and provides water for communities downstream, making proper treatment essential for protecting water quality and aquatic ecosystems.

The plant discharges into the Rio Grande de Santiago watershed, which flows through Jalisco and empties into the Pacific Ocean near San Blas, Nayarit. This basin supports diverse aquatic life and is important for regional agriculture and drinking water supplies. Proper wastewater treatment helps prevent nutrient pollution and protects downstream ecosystems, including coastal lagoons and estuaries.