Overview
La Puerta wastewater treatment plant serves Colonia La Puerta in Mexicali, Baja California, Mexico. It provides secondary treatment for a population of 934, with a designed capacity of 518.40 m³/day and a discharge volume of 354.24 m³/day.
La Puerta is a wastewater treatment plant located in Colonia La Puerta, within the municipality of Mexicali, Baja California, Mexico. The plant serves a small community of 934 residents, providing essential sanitation services in this arid border region near the United States-Mexico border. The plant operates with secondary treatment, which is the standard level required under Mexican regulations (NOM-001-SEMARNAT-1996) for municipal wastewater before discharge. Its designed capacity is 518.40 m³/day, and it currently discharges 354.24 m³/day of treated effluent, indicating operational headroom. As a small-scale facility, it is subject to federal and state oversight for compliance with discharge standards. The treated wastewater is discharged into the local environment, likely contributing to the Colorado River basin or a nearby arroyo. The region's arid climate makes water reuse and quality management critical for local agriculture and ecosystems. The plant's operation helps protect downstream water bodies and supports public health in the Mexicali Valley.
Environmental context
The plant is located inland in the Mexicali Valley, part of the Colorado River basin. Treated effluent likely drains into the Hardy River or a canal system that ultimately reaches the Colorado River and the Gulf of California. This watershed supports irrigated agriculture and sensitive riparian habitats. Proper treatment is essential to prevent nutrient loading and contamination in this water-scarce region.
Frequently asked questions
La Puerta is located in Colonia La Puerta, within the municipality of Mexicali, Baja California, Mexico. Its address is Calle Octava, Colonia La Puerta, Mexicali, Baja California, 21738.
The plant serves a population of 934 residents, making it a small-scale municipal facility.
The plant discharges treated effluent into the local environment, likely into a canal or arroyo that feeds into the Colorado River basin. The region's drainage ultimately reaches the Gulf of California.
La Puerta provides secondary treatment, which is the standard required by Mexican regulations (NOM-001-SEMARNAT-1996) for municipal wastewater to reduce organic matter and suspended solids before discharge.
The plant operates under Mexico's federal water law and NOM-001-SEMARNAT-1996, which sets maximum permissible limits for pollutants in wastewater discharges. Compliance is overseen by CONAGUA (National Water Commission) and state authorities.
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