Wastewater plants in Mexico

2,540 plants indexed. Showing 562 matching current filters.

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.

562 plants matching filters

Almoloya

Almoloya, Hidalgo

Almoloya wastewater treatment plant serves the town of Almoloya, Hidalgo, Mexico, with secondary treatment. It discharges 285.12 cubic meters of treated wastewater daily, operating under Mexico's national water regulations.

Secondary 3,012 Low

SAsabe

El Sásabe, Sonora

SAsabe wastewater treatment plant serves El Sásabe, Sonora, Mexico, with secondary treatment. It discharges 350.78 m³/day and has a designed capacity of 134.78 m³/day, serving a population of 1,443.

Secondary 1,443 Low

Rizo de Oro

La Concordia, Chiapas

Rizo de Oro wastewater treatment plant serves 1,132 people in La Concordia, Chiapas, Mexico. It provides secondary treatment and discharges 107.14 cubic meters per day, with a designed capacity of 152.93 cubic meters per day.

Secondary 1,132 Medium

Nopolo

Nopoló, Baja California Sur

Nopolo wastewater treatment plant serves the small community of Nopoló in Baja California Sur, Mexico. It provides secondary treatment and discharges treated wastewater near the coast of the Gulf of California.

Secondary 45 Medium

Atlatlahuacan

Atlatlahucan, Morelos

Atlatlahuacan wastewater treatment plant in Atlatlahucan, Morelos, Mexico, provides secondary treatment for a population of 8,215. It discharges 777.60 cubic meters of treated wastewater daily.

Secondary 8,215 Low

Matacahui

Matacahui (El Campito), Sinaloa

Matacahui wastewater treatment plant serves 183 people in Matacahui (El Campito), Sinaloa, Mexico. It provides secondary treatment and discharges 17.28 m³/day of treated wastewater near the coast.

Secondary 183 Medium

CoxcatlAn

Coxcatlán, San Luis Potosí

Coxcatlán wastewater treatment plant in San Luis Potosí, Mexico, serves a population of 4,253 with secondary treatment. It discharges 402.62 cubic meters per day and has a designed capacity of 820.80 cubic meters per day.

Secondary 4,253 Low

Cetys

Mexicali, Baja California

Cetys wastewater treatment plant in Mexicali, Baja California, Mexico, serves a population of 3,103 with secondary treatment. It discharges 293.76 volume units daily and has a designed capacity of 604.80.

Secondary 3,103 Low

Estacion Coahuila

Ciudad Coahuila, Baja California

Estacion Coahuila is a secondary wastewater treatment plant serving Ciudad Coahuila in Baja California, Mexico. It treats wastewater for approximately 8,853 residents with a discharge volume of 838.08 thousand cubic meters per year.

Secondary 8,853 Low

Los Humayes

Los Humayes, Sinaloa

Los Humayes wastewater treatment plant in Sinaloa, Mexico, serves a small population of 241 with secondary treatment. It discharges 51.84 cubic meters of treated wastewater daily.

Secondary 241 Low

El ChavarIn

El Chavarín, Colima

El Chavarín wastewater treatment plant in Colima, Mexico, serves 4,564 people with secondary treatment. It discharges 432.00 m³/day and is located within 10 km of the Pacific coast.

Secondary 4,564 Medium

El Alamo

El Álamo, Sinaloa

El Alamo wastewater treatment plant serves 621 people in El Álamo, Sinaloa, Mexico. It provides secondary treatment and discharges 58.75 volume units of treated wastewater.

Secondary 621 Low

Camalote

El Camalote, Sinaloa

Camalote wastewater treatment plant serves the community of El Camalote in Sinaloa, Mexico. It provides secondary treatment and discharges treated wastewater into the local watershed.

Secondary 2,738 Low

Nustar

Emiliano Zapata, Morelos

Nustar wastewater treatment plant serves Emiliano Zapata, Morelos, Mexico, with secondary treatment for a population of 6,389. It discharges 604.80 cubic meters of treated wastewater daily.

Secondary 6,389 Low

Arroyo Seco

Arroyo Seco, Querétaro

Arroyo Seco wastewater treatment plant in Querétaro, Mexico, serves about 1,013 people with secondary treatment. It discharges 95.90 cubic meters of treated wastewater daily.

Secondary 1,013 Low

La Escondida

La Escondida, Guanajuato

La Escondida wastewater treatment plant in Guanajuato, Mexico, serves 1,837 people with secondary treatment. It discharges 294.62 cubic meters per day, operating under Mexico's national water regulations.

Secondary 1,837 Low

Gachupines

Gachupines, Guanajuato

Gachupines wastewater treatment plant in Guanajuato, Mexico, serves 851 people with secondary treatment. It discharges 167.62 volume units into the local watershed.

Secondary 851 Low

Estancia de Los Sapos

León, Guanajuato

Estancia de Los Sapos is a secondary treatment plant serving 758 people in León, Guanajuato, Mexico. It discharges 71.71 volume units and operates under Mexican wastewater regulations.

Secondary 758 Low

Providencia Uno

León, Guanajuato

Providencia Uno is a secondary wastewater treatment plant in León, Guanajuato, Mexico, serving approximately 1,825 people with a design capacity of 183.17 cubic meters per day.

Secondary 1,825 Low

Santa MarIa del RIo

Santa María del Río, San Luis Potosí

Santa María del Río wastewater treatment plant in San Luis Potosí, Mexico, serves about 9,100 people with secondary treatment. It discharges 864 m³/day of treated wastewater, operating under Mexico's national water regulations.

Secondary 9,127 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.

Who operates wastewater treatment in Mexico?

Among the plants on this page, the most-referenced operator is CEAG Guanajuato. UtilityRadar's records show 4 plants linked to this operator.

What is the largest wastewater treatment plant in Mexico?

Among the indexed plants, Nopolo has the highest designed capacity at 2,592 m3/day.

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