Atotonilco Wastewater Treatment Plant, Tepalcingo, Morelos, Mexico

The Atotonilco wastewater treatment plant is located in the town of Atotonilco, within the municipality of Tepalcingo, in the state of Morelos, Mexico. The plant serves a population of 6,089 and operates with secondary treatment, which is typical for smaller communities in the region. With a designed capacity of 1,036.80 cubic meters per day and an actual discharge volume of 622.08 cubic meters per day, the plant operates below its full capacity. As a Mexican wastewater facility, it is subject to national regulations under the Ley de Aguas Nacionales and Normas Oficiales Mexicanas (NOMs), which set discharge standards for municipal wastewater. The treated effluent is discharged into local water bodies, contributing to the protection of the Balsas River basin, which drains into the Pacific Ocean. Proper treatment helps safeguard downstream ecosystems and supports water quality in the region.

The plant discharges into the Balsas River basin, which flows into the Pacific Ocean. This watershed supports diverse aquatic life and is important for local agriculture and communities. Effective wastewater treatment helps prevent nutrient pollution and protects downstream water quality.