26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
CLARKSDALE POTW serves approximately 22,145 residents in Clarksdale, Mississippi. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to local waterways.
Clarkson Wastewater Treatment Plant in Mississauga, Ontario, serves approximately 357,000 people. It is a key facility in the Greater Toronto Area, discharging treated effluent into Lake Ontario.
Clarkston STP serves approximately 7,200 residents in Clarkston, Washington. The plant discharges into the Snake River system, a major tributary of the Columbia River.
CLARKSVILLE STP serves approximately 3,900 residents in Clarksville, Texas. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities.
Clarksville WWTP serves 21,000 people in Clarksville, Indiana, as part of the municipal wastewater infrastructure. The plant discharges treated effluent into the Ohio River watershed, supporting downstream water quality.
Clarksville WWTP serves approximately 9,178 residents in Clarksville, Arkansas. The plant is part of the municipal wastewater infrastructure operating under U.S. EPA and state regulations.
Clarksville WWTP serves approximately 140,000 people in Clarksville, Tennessee. The plant discharges treated wastewater into the Cumberland River, a major tributary of the Ohio River system.
CLAY CENTER WWTP serves Clay County, Kansas, treating wastewater for approximately 4,140 residents. The plant operates under U.S. EPA and Kansas Department of Health and Environment regulations.
CLAY CITY wastewater treatment plant serves Clay City, Kentucky, USA. It is an inland facility serving a small population of 1,574.
Clay County Miller Street WWTP serves Orange Park, Florida, treating wastewater for approximately 29,750 residents. The plant operates under U.S. EPA and state regulations, discharging treated effluent to local waterways.
Clay Township RWD serves approximately 14,490 people in Zionsville, Indiana. The plant operates under the US Clean Water Act framework, discharging treated wastewater into local waterways.
CLAYE wastewater treatment plant serves Annet-sur-Marne, France, with a population equivalent of 16,616. It operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment standards for inland agglomerations.
Claypool Hill_Wardell WWTP serves Wardell, Virginia, treating wastewater for approximately 2,039 residents. The plant operates under the U.S. Clean Water Act framework.
The Claysville Donegal STP serves approximately 2,400 residents in Claysville, Pennsylvania. As a small municipal facility, it operates under the U.S. Clean Water Act's NPDES program.
Clayton Town of wastewater treatment plant serves approximately 2,980 residents in Clayton, New Mexico. The facility operates under the US Clean Water Act regulatory framework.
Clayton V WWTP serves 1,821 people in the Village of Clayton, New York. The plant discharges treated wastewater within 50 km of the St. Lawrence River, which flows into the Gulf of St. Lawrence.
CLAYTON WEST DENBY DALE is a wastewater treatment plant in Kirklees, England, serving approximately 20,800 people. It operates under the UK's regulatory framework for wastewater treatment.
Clayton WPCP is a municipal wastewater treatment plant in Rabun County, Georgia, serving approximately 1,830 people. It operates under the U.S. Clean Water Act framework.
CLAYTON WWTP serves Clayton, Alabama, treating wastewater for approximately 2,550 residents. The plant operates under the U.S. Clean Water Act, with discharge regulated by the Alabama Department of Environmental Management.
CLAYTON WWTP serves approximately 12,126 people in Clayton, North Carolina, as part of the municipal wastewater infrastructure. The plant operates under the US Clean Water Act framework.