Mexico had a total of 2,928 operating wastewater treatment plants installed across the country as of December 2023. The most common type of treatment was stabilization ponds, amounting to 830. This was closely followed by activated sludge, with a total of 826 plants. The state of Sinaloa had the largest number of operating wastewater treatment plants in the Latin American country.
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Comisión Nacional del Agua. (January 21, 2025). Number of operating wastewater treatment plants in Mexico as of December 2023, by type of treatment [Graph]. In Statista. Retrieved July 12, 2025, from https://www.statista.com/statistics/1384712/number-of-wastewater-treatment-plants-by-type-mexico/
Comisión Nacional del Agua. "Number of operating wastewater treatment plants in Mexico as of December 2023, by type of treatment." Chart. January 21, 2025. Statista. Accessed July 12, 2025. https://www.statista.com/statistics/1384712/number-of-wastewater-treatment-plants-by-type-mexico/
Comisión Nacional del Agua. (2025). Number of operating wastewater treatment plants in Mexico as of December 2023, by type of treatment. Statista. Statista Inc.. Accessed: July 12, 2025. https://www.statista.com/statistics/1384712/number-of-wastewater-treatment-plants-by-type-mexico/
Comisión Nacional del Agua. "Number of Operating Wastewater Treatment Plants in Mexico as of December 2023, by Type of Treatment." Statista, Statista Inc., 21 Jan 2025, https://www.statista.com/statistics/1384712/number-of-wastewater-treatment-plants-by-type-mexico/
Comisión Nacional del Agua, Number of operating wastewater treatment plants in Mexico as of December 2023, by type of treatment Statista, https://www.statista.com/statistics/1384712/number-of-wastewater-treatment-plants-by-type-mexico/ (last visited July 12, 2025)
Number of operating wastewater treatment plants in Mexico as of December 2023, by type of treatment [Graph], Comisión Nacional del Agua, January 21, 2025. [Online]. Available: https://www.statista.com/statistics/1384712/number-of-wastewater-treatment-plants-by-type-mexico/