As of 2022, there were 17,544 publicly owned treatment works (POTWs) operating in the U.S. From them around 43.4 percent had a capacity of less than 0.25 million gallons per day. Only 74 treatment plants had a capacity of more than 100 million gallons per day during that period.
Number of publicly owned wastewater treatment works (POTWs) in the United States as of 2022, by capacity
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Environmental Protection Agency. (April 29, 2024). Number of publicly owned wastewater treatment works (POTWs) in the United States as of 2022, by capacity [Graph]. In Statista. Retrieved November 13, 2024, from https://www-statista-com.ezproxy.canberra.edu.au/statistics/1489433/number-wastewater-treatment-plant-usa-by-capacity/
Environmental Protection Agency. "Number of publicly owned wastewater treatment works (POTWs) in the United States as of 2022, by capacity ." Chart. April 29, 2024. Statista. Accessed November 13, 2024. https://www-statista-com.ezproxy.canberra.edu.au/statistics/1489433/number-wastewater-treatment-plant-usa-by-capacity/
Environmental Protection Agency. (2024). Number of publicly owned wastewater treatment works (POTWs) in the United States as of 2022, by capacity . Statista. Statista Inc.. Accessed: November 13, 2024. https://www-statista-com.ezproxy.canberra.edu.au/statistics/1489433/number-wastewater-treatment-plant-usa-by-capacity/
Environmental Protection Agency. "Number of Publicly Owned Wastewater Treatment Works (Potws) in The United States as of 2022, by Capacity ." Statista, Statista Inc., 29 Apr 2024, https://www-statista-com.ezproxy.canberra.edu.au/statistics/1489433/number-wastewater-treatment-plant-usa-by-capacity/
Environmental Protection Agency, Number of publicly owned wastewater treatment works (POTWs) in the United States as of 2022, by capacity Statista, https://www-statista-com.ezproxy.canberra.edu.au/statistics/1489433/number-wastewater-treatment-plant-usa-by-capacity/ (last visited November 13, 2024)
Number of publicly owned wastewater treatment works (POTWs) in the United States as of 2022, by capacity [Graph], Environmental Protection Agency, April 29, 2024. [Online]. Available: https://www-statista-com.ezproxy.canberra.edu.au/statistics/1489433/number-wastewater-treatment-plant-usa-by-capacity/
