La Obrera Wastewater Treatment Plant, Tepoztlán, Morelos, Mexico

La Obrera is a wastewater treatment plant located in Tepoztlán, Morelos, Mexico, serving a population of approximately 1,825 residents. The plant provides secondary treatment, which is a standard biological process that reduces organic matter and suspended solids before discharge. The facility has a designed capacity of 172.80 cubic meters per day and discharges a similar volume of treated wastewater. As a small-scale plant in Mexico, it operates under the national water quality regulations (NOM-001-SEMARNAT-1996) that set discharge limits for pollutants. Secondary treatment is appropriate for this population size and helps protect local water resources. The treated effluent from La Obrera likely discharges into a local stream or river within the Balsas River basin, which ultimately flows into the Pacific Ocean. The plant plays a key role in safeguarding water quality in the region, supporting both ecological health and downstream communities.

The plant discharges into a local watercourse within the Balsas River basin, which drains into the Pacific Ocean. The surrounding area is ecologically sensitive, supporting diverse aquatic life and providing important habitat for migratory species. Proper treatment helps maintain water quality in this watershed.