Temastian Wastewater Treatment Plant, Temastián (La Cantera), Jalisco, Mexico

The Temastian wastewater treatment plant is located in Temastián (La Cantera), a locality in the municipality of Totatiche, Jalisco, Mexico. It serves a population of 1,529 residents, providing secondary treatment to manage domestic wastewater from the community. The plant operates as part of the municipal infrastructure in the Región Norte of Jalisco. With a designed capacity of 432.00 m³/day and a current discharge volume of 172.80 m³/day, the plant operates at approximately 40% of its capacity. Secondary treatment is the standard level for small communities in Mexico, ensuring removal of organic matter and suspended solids before discharge. The plant is regulated under Mexican environmental standards (NOM-001-SEMARNAT) which set limits for pollutants in treated wastewater. The plant's treated effluent is discharged into local watercourses that drain into the broader hydrological system of Jalisco. The region is part of the Lerma-Santiago-Pacifico basin, which ultimately flows into the Pacific Ocean. Proper treatment helps protect downstream water quality and aquatic ecosystems in this semi-arid region.

The plant discharges into local streams that are part of the Lerma-Santiago-Pacifico basin, which drains into the Pacific Ocean. The surrounding region in Jalisco features seasonal rivers and supports agricultural activities. Effective wastewater treatment is crucial to prevent nutrient loading and protect downstream aquatic habitats, including those in the Rio Grande de Santiago and its reservoirs.