Ejido Reforma Wastewater Treatment Plant, Reforma, Tabasco, Mexico

Ejido Reforma is a municipal wastewater treatment plant located in Reforma, within the municipality of Cunduacán, Tabasco, Mexico. The plant serves a population of 1,825 people, classifying it as a small-scale facility under Mexican wastewater regulations. The plant provides secondary treatment, which is the standard level required by Mexican law (NOM-001-SEMARNAT-1996) for municipal wastewater before discharge. Its designed capacity is 259.20 m³/day, and it currently treats an average of 172.80 m³/day, indicating operational headroom. The facility operates under the regulatory framework of Mexico's National Water Commission (CONAGUA), which issues discharge permits and enforces water quality standards. The treated effluent is discharged into local water bodies that ultimately drain into the Grijalva River basin, one of Mexico's most significant hydrological systems. The Grijalva River flows into the Gulf of Mexico, supporting diverse aquatic ecosystems and providing water for agriculture and communities in the region. The plant plays a key role in protecting downstream water quality and public health.

The plant discharges into the Grijalva River basin, which flows through the state of Tabasco and empties into the Gulf of Mexico. This region features extensive wetlands and floodplains that support a rich diversity of aquatic life, including fish and migratory birds. The Grijalva River is ecologically sensitive due to its role in sustaining local fisheries and providing habitat for species such as the American crocodile and manatee. Proper wastewater treatment is essential to prevent nutrient pollution and protect these downstream ecosystems.