Wastewater plants in United States

14,814 plants indexed. Showing 743 matching current filters.

743 plants matching filters

SHEBOYGAN REGIONAL WWTP

Sheboygan, Wisconsin

Sheboygan Regional WWTP serves approximately 71,886 people in Sheboygan, Wisconsin. The plant discharges treated wastewater into Lake Michigan, a vital freshwater resource.

Not Reported 71,886 Medium

RACINE STP

Racine, Wisconsin

RACINE STP serves approximately 137,701 people in Racine, Wisconsin. The plant is located within 50 km of Lake Michigan, a major freshwater resource.

Not Reported 137,701 Medium

OSHKOSH WWTP

Oshkosh, Wisconsin

Oshkosh WWTP serves approximately 74,000 residents in Oshkosh, Wisconsin. The plant discharges treated wastewater into the Lake Winnebago watershed, which drains to the Fox River and ultimately Green Bay.

Not Reported 74,077 Medium

MILWAUKEE MSD COMBINED

Milwaukee, Wisconsin

MILWAUKEE MSD COMBINED serves over 1.1 million people in Milwaukee, Wisconsin, discharging treated wastewater into Lake Michigan. The plant operates under the US Clean Water Act's NPDES permit program.

Not Reported 1,114,952 Medium

MANITOWOC WWTP

Manitowoc, Wisconsin

Manitowoc WWTP serves approximately 34,724 residents in Manitowoc, Wisconsin, discharging treated wastewater into Lake Michigan. The plant operates under the US Clean Water Act framework.

Not Reported 34,724 Medium

MADISON MSD STP

Madison, Wisconsin

Madison MSD STP serves approximately 358,612 people in Madison, Wisconsin. The plant discharges treated wastewater into the local watershed, ultimately draining to the Mississippi River basin.

Not Reported 358,612 Medium

KENOSHA WWTP

Kenosha, Wisconsin

Kenosha WWTP serves over 124,000 people in Kenosha, Wisconsin. The plant discharges treated wastewater into the Lake Michigan basin, supporting the local watershed and downstream ecosystems.

Not Reported 124,215 Medium

FOND DU LAC REGIONAL WWTP

Fond du Lac, Wisconsin

Fond du Lac Regional WWTP serves approximately 62,965 people in Fond du Lac, Wisconsin. The plant is located within 50 km of Lake Michigan and operates under US Clean Water Act regulations.

Not Reported 62,965 Medium

EAU CLAIRE WWTP

Eau Claire, Wisconsin

Eau Claire WWTP serves approximately 73,694 people in Eau Claire, Wisconsin. The plant discharges treated wastewater into the Chippewa River, a tributary of the Mississippi River.

Not Reported 73,694 Medium

APPLETON WWTP

Appleton, Wisconsin

Appleton WWTP serves 73,598 people in Appleton, Wisconsin. The plant is located within 50 km of the coast and has a designed capacity of 1.00 (units unspecified).

Not Reported 73,598 Medium

Hawks Prairie Recl Water Satellite

Lacey, Washington

Hawks Prairie Recl Water Satellite in Lacey, Washington serves approximately 18,779 people. The plant operates under the US Clean Water Act framework, with a designed capacity of 1.00 million gallons per day.

Not Reported 18,779 Medium

OCEAN SHORES STP

Ocean Shores, Washington

Ocean Shores STP serves about 10,600 residents in Washington State. The plant discharges treated wastewater near the Pacific coast, operating under U.S. EPA and state regulations.

Not Reported 10,615 Medium

Yakima Regional POTW

Yakima, Washington

Yakima Regional POTW serves over 105,000 people in Yakima, Washington. The plant operates under the US Clean Water Act, treating municipal wastewater before discharge into the Yakima River basin.

Not Reported 105,141 Medium

City of WESTPORT WW Treatment_Sewer

Westport, Washington

The City of Westport WW Treatment_Sewer plant serves approximately 2,022 residents in Westport, Washington, USA. It is located near the coast of Grays Harbor County, discharging into the Pacific Ocean watershed.

Not Reported 2,022 Medium

TACOMA 3 STP NORTH

Tacoma, Washington

TACOMA 3 STP NORTH is a municipal wastewater treatment plant serving approximately 55,050 people in Tacoma, Washington. Located within 50 km of the coast, it discharges into the Puget Sound ecosystem.

Not Reported 55,050 Medium

TACOMA CENTRAL STP 1

Tacoma, Washington

TACOMA CENTRAL STP 1 serves Tacoma, Washington, treating wastewater for approximately 218,000 people. The plant discharges into the Puget Sound, a vital marine ecosystem in the Pacific Northwest.

Not Reported 218,383 Medium

Spokane Riverside Park POTW

Spokane, Washington

Spokane Riverside Park POTW is a major wastewater treatment plant serving Spokane, Washington. It treats wastewater for over 360,000 people, discharging into the Spokane River under the US Clean Water Act.

Not Reported 361,098 Medium

SALMON CREEK STP 1

Burien, Washington

Salmon Creek STP 1 in Burien, Washington serves over 27,000 people. The plant operates under the U.S. Clean Water Act, with discharge likely into the Puget Sound basin.

Not Reported 27,126 Medium

MILLER CREEK STP

Normandy Park, Washington

Miller Creek STP serves Normandy Park, Washington, treating wastewater for over 31,000 residents. The plant is located near the coast and discharges into the Puget Sound watershed.

Not Reported 31,104 Medium

PORT TOWNSEND STP

Port Townsend, Washington

Port Townsend STP serves 9,180 residents in Washington, USA. The plant discharges treated wastewater into the local watershed, supporting environmental health in the Puget Sound region.

Not Reported 9,180 Medium

Frequently asked

How many wastewater treatment plants are in United States?

UtilityRadar indexes 14814 wastewater treatment plants in United States, with treatment level, capacity, operator and discharge data on each record.

Who operates wastewater treatment in United States?

Among the plants on this page, the most-referenced operator is MSD. UtilityRadar's records show 2 plants linked to this operator.

What is the largest wastewater treatment plant in United States?

Among the indexed plants, SHEBOYGAN REGIONAL WWTP has the highest designed capacity at 1 m3/day.

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