Wastewater plants in Mexico

2,540 plants indexed.

Wastewater treatment in Mexico is operated by Comisión Nacional del Agua (CONAGUA) and local water utilities. Coverage has grown rapidly but remains uneven across the country. UtilityRadar indexes 2540 wastewater treatment plants in Mexico with a combined designed capacity of 879,569 m³/day. The largest plant on file is Lomita de Paso Blanco, treating 8,640 m³/day.

Wastewater treatment in Mexico is operated by Comisión Nacional del Agua (CONAGUA) and local water utilities. Coverage has grown rapidly but remains uneven across the country.

Plant directory coverage

UtilityRadar's directory currently lists 2,540 wastewater treatment plants across Mexico. Together these plants represent a combined designed capacity of approximately 879,569 m³/day.

Treatment levels

By treatment level, the directory contains 1807 secondary, 15 primary-treatment plants. Secondary treatment (typically activated sludge with biological nutrient removal) is the most common standard.

Largest plant

The largest plant indexed for Mexico is Lomita de Paso Blanco, with a designed capacity of 8,640 m³/day.

About our data

Plant records are aggregated from publicly available regulatory data (US EPA ECHO, EU UWWTD reporting, national water authority publications), augmented by direct operator information and verified via Google Maps coordinates. Each record includes location, treatment level, capacity where known, operator and operational status. To browse plants by treatment level worldwide, see our secondary and advanced filter views, or read our guide to how sewage treatment works.

2,540 plants matching filters

Joyas del Mar

Zihuatanejo, Guerrero

Joyas del Mar secondary treatment plant serves 5,476 people in Zihuatanejo, Guerrero, Mexico. It discharges 518.40 volume units daily, located within 10 km of the Pacific coast.

Secondary 5,476 Medium

Gomez MorIn

Santa Catarina de Tepehuanes, Durango

Gomez Morin wastewater treatment plant serves Santa Catarina de Tepehuanes, Durango, Mexico, with secondary treatment for a population of 913. It discharges 86.40 cubic meters of treated wastewater daily.

Secondary 913 Low

Planta 1

Real de Catorce, San Luis Potosí

Planta 1 is a secondary wastewater treatment plant serving Real de Catorce, San Luis Potosí, Mexico. It treats wastewater for approximately 2,282 residents with a designed capacity of 399.17 m³/day.

Secondary 2,282 Low

Bacanora

Bacanora, Sonora

Bacanora wastewater treatment plant serves the small community of Bacanora in Sonora, Mexico. It provides secondary treatment and discharges treated water into the local environment.

Secondary 570 Low

Cochoapa El Grande

Cochoapa El Grande, Guerrero

Cochoapa El Grande wastewater treatment plant serves the community of Cochoapa El Grande in Guerrero, Mexico. It provides secondary treatment and has a designed capacity of 518.40 cubic meters per day.

Secondary 5,476 Low

San Rafael 3

San Rafael, Sonora

San Rafael 3 is a secondary wastewater treatment plant in San Rafael, Sonora, Mexico, serving a population of 383. It discharges 36.29 cubic meters of treated wastewater daily.

Secondary 383 Low

San Rafael 2

San Rafael, Sonora

San Rafael 2 is a secondary wastewater treatment plant in San Rafael, Sonora, Mexico, serving a population of 383. It discharges 36.29 units of treated wastewater daily.

Secondary 383 Low

San Rafael 1

San Rafael, Sonora

San Rafael 1 is a secondary wastewater treatment plant serving 383 people in San Rafael, Sonora, Mexico. It discharges 36.29 m³/day of treated effluent.

Secondary 383 Low

Bacerac Laguna

Bacerac, Sonora

Bacerac Laguna is a secondary treatment plant serving 1,204 people in Bacerac, Sonora, Mexico. It discharges 161.57 cubic meters of treated wastewater daily.

Secondary 1,204 Low

Bacoachi Fosa

Bacoachi, Sonora

Bacoachi Fosa is a secondary wastewater treatment plant in Bacoachi, Sonora, Mexico, serving 584 people. It discharges 55.30 cubic meters of treated wastewater daily.

Secondary 584 Low

Pueblo Mayo

Pueblo Mayo, Sonora

Pueblo Mayo wastewater treatment plant in Sonora, Mexico serves 2,784 people with secondary treatment. It discharges 263.52 cubic meters of treated wastewater daily.

Secondary 2,784 Low

Ranchito de Huepac

Ranchito de Huépac, Sonora

Ranchito de Huepac is a secondary wastewater treatment plant in Sonora, Mexico, serving a small population of 383. It discharges 36.29 units of treated wastewater daily.

Secondary 383 Low

Ojo de Agua

Ojo de Agua de Huépac, Sonora

Ojo de Agua wastewater treatment plant serves the community of Ojo de Agua de Huépac in Sonora, Mexico. It provides secondary treatment for a population of 1,089.

Secondary 1,089 Low

Suaqui

Baviácora, Sonora

Suaqui wastewater treatment plant serves 137 people in Baviácora, Sonora, Mexico. It provides secondary treatment and discharges 12.96 cubic meters per day.

Secondary 137 Low

San Jose

Baviácora, Sonora

San Jose wastewater treatment plant serves the community of Baviácora, Sonora, Mexico. It provides secondary treatment and discharges treated effluent into the local watershed.

Secondary 675 Low

El Molinote

Baviácora, Sonora

El Molinote is a secondary wastewater treatment plant serving 338 people in Baviácora, Sonora, Mexico. It discharges treated water into the local watershed of the Sonora River basin.

Secondary 338 Low

La Capilla

Baviácora, Sonora

La Capilla is a secondary wastewater treatment plant serving Baviácora, Sonora, Mexico. It treats wastewater from a small population of 301, with a discharge volume of 28.51 units and a designed capacity of 21.60 units.

Secondary 301 Low

La Aurora

Baviácora, Sonora

La Aurora wastewater treatment plant in Baviácora, Sonora, Mexico, serves 310 people with secondary treatment. It discharges 29.38 thousand cubic meters annually, operating under Mexican water quality regulations.

Secondary 310 Low

Las Delicias

Las Delicias, Sonora

Las Delicias wastewater treatment plant in Sonora, Mexico, serves a small population of 438 with secondary treatment. It discharges 41.47 units of treated wastewater daily, operating within a designed capacity of 44.93 units.

Secondary 438 Low

Chinapa

Chinapa, Sonora

Chinapa wastewater treatment plant in Sonora, Mexico, serves 314 people with secondary treatment. It discharges 56.16 volume units daily, with a designed capacity of 26.78 volume units.

Secondary 314 Low

Frequently asked

How many wastewater treatment plants are in Mexico?

UtilityRadar indexes 2540 wastewater treatment plants in Mexico, with treatment level, capacity, operator and discharge data on each record.

What is the largest wastewater treatment plant in Mexico?

Among the indexed plants, Pueblo Mayo has the highest designed capacity at 1,229 m3/day.

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