Overview
Paredones wastewater treatment plant in Sinaloa, Mexico serves 480 people with secondary treatment. It discharges 164.16 m³/day near the coast of the Gulf of California.
Paredones wastewater treatment plant is located in the town of Paredones, within the municipality of Ahome, Sinaloa, Mexico. The plant serves a small population of 480 residents and operates with secondary treatment, a standard level for communities of this size in Mexico. The plant has a designed capacity of 172.80 m³/day and currently treats an average daily flow of 164.16 m³/day, indicating near-full utilization. Under Mexican regulations (NOM-001-SEMARNAT-1996), secondary treatment is required for discharges into coastal waters to control biochemical oxygen demand and suspended solids. The plant discharges into the coastal environment near the Gulf of California, a biologically rich marine ecosystem. The Gulf supports diverse fisheries and migratory species, making proper wastewater treatment critical for protecting water quality and aquatic habitats in the region.
Environmental context
The plant discharges near the Gulf of California, a semi-enclosed sea connected to the Pacific Ocean. This marine environment supports a high diversity of fish, invertebrates, and marine mammals, including migratory species. Secondary treatment helps reduce organic pollutants and nutrients that could otherwise contribute to eutrophication or harm sensitive coastal habitats.
Frequently asked questions
The Paredones WWTP is located in the town of Paredones, in the municipality of Ahome, Sinaloa, Mexico. Its address is near the Los Mochis-Topolobampo highway.
The plant serves a population of approximately 480 residents, making it a small-scale facility typical of rural communities in Sinaloa.
The plant discharges treated wastewater into the coastal environment near the Gulf of California. With secondary treatment, the effluent meets Mexican standards for discharge into marine waters.
The plant operates under Mexico's NOM-001-SEMARNAT-1996, which sets limits for pollutants in wastewater discharges into national waters. Secondary treatment is required for coastal discharges to protect marine ecosystems.
For small communities like Paredones, secondary treatment is standard. This typically involves biological processes such as activated sludge or lagoon systems to reduce organic matter and pathogens before discharge.
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