Overview
El Castillo wastewater treatment plant in Sinaloa, Mexico, serves about 4,500 people with secondary treatment. It discharges 423.36 cubic meters of treated wastewater daily near the Pacific coast.
El Castillo is a municipal wastewater treatment plant located in the town of El Castillo, within the municipality of Mazatlán, Sinaloa, Mexico. It serves a population of approximately 4,472 people, classifying it as a small-scale facility. The plant is situated near the Pacific coast, less than 10 kilometers from the shoreline. The plant employs secondary treatment, a standard biological process that removes organic matter and suspended solids. It has a designed capacity of 768.96 cubic meters per day and currently treats 423.36 cubic meters daily, operating below its full capacity. As a Mexican facility, it operates under the national water quality standards (NOM-001-SEMARNAT) which set discharge limits for pollutants. The treated effluent is discharged into local water bodies that eventually drain into the Pacific Ocean. The plant plays a crucial role in protecting coastal ecosystems and the nearby tourist destination of Mazatlán by reducing pollution loads. Its proximity to the coast underscores the importance of effective treatment to safeguard marine water quality.
Environmental context
The plant discharges into local streams that flow into the Pacific Ocean near Mazatlán, Sinaloa. This coastal region supports diverse marine life, including fish, crustaceans, and migratory birds. The area is ecologically sensitive due to its proximity to tourist beaches and estuaries, making proper wastewater treatment essential to prevent eutrophication and protect aquatic habitats.
Frequently asked questions
El Castillo plant is located in the town of El Castillo, within the municipality of Mazatlán, in the state of Sinaloa, Mexico. Its address is Calle Principal, El Castillo, Mazatlán, Sinaloa.
The plant serves approximately 4,472 people, making it a small-scale municipal facility.
The plant discharges treated effluent into local water bodies that eventually drain into the Pacific Ocean. Its proximity to the coast (within 10 km) means the discharge can affect coastal water quality.
El Castillo provides secondary treatment, a biological process that removes organic matter and suspended solids. This level meets Mexican standards (NOM-001-SEMARNAT) for discharge into water bodies.
The plant operates under Mexico's federal water law and NOM-001-SEMARNAT, which sets maximum pollutant limits for wastewater discharges. Secondary treatment is typical for small communities in Mexico, ensuring compliance with environmental standards.
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