Wastewater plants in Washington

248 plants indexed. Showing 54 matching current filters.

54 plants matching filters

HARTSTENE POINTE STP

Mason County, Washington

Hartstene Pointe STP is a secondary treatment plant in Mason County, Washington, serving 860 people. It discharges 704.09 units of treated wastewater near the coast of Puget Sound.

Secondary 860 Medium

Belfair Wastewater and Water Reclaim

Belfair, Washington

Belfair Wastewater and Water Reclaim is a secondary treatment plant serving 1,791 people in Belfair, Washington. It discharges treated wastewater near the Hood Canal, a sensitive marine ecosystem.

Secondary 1,791 Medium

PENN COVE SD STP

Penn Cove Park, Washington

Penn Cove SD STP is a secondary treatment plant serving 577 people in Penn Cove Park, Washington. It discharges 151.42 megaliters of treated wastewater annually near the coast of Puget Sound.

Secondary 577 Medium

Kitsap Co SD 7 WWTP

Bainbridge Island, Washington

Kitsap Co SD 7 WWTP on Bainbridge Island, Washington, serves 750 people with secondary treatment. It discharges 492.10 volume units daily, with a designed capacity of 1059.91 units, and is located within 10 km of the coast.

Secondary 750 Medium

MANCHESTER STP

Manchester, Washington

Manchester STP is a secondary treatment plant serving 2,310 people in Manchester, Washington. It discharges 757.08 million gallons per year into the local watershed near Puget Sound.

Secondary 2,310 Medium

Fisherman Bay STP

Lopez Village, Washington

Fisherman Bay STP is a secondary treatment plant serving Lopez Village, Washington. It discharges treated wastewater near the coast of San Juan County, with a design capacity of 185.48 volume units.

Secondary 2,076 Medium

EASTSOUND WD STP

Eastsound, Washington

Eastsound WD STP is a secondary treatment plant serving 1,500 people on Orcas Island, Washington. It discharges treated wastewater into the marine environment near the San Juan Islands.

Secondary 1,500 Medium

King County Vashon WWTP

Vashon, Washington

King County Vashon WWTP is a secondary treatment plant serving 539 people on Vashon Island, Washington. It discharges treated wastewater near the coast of Puget Sound.

Secondary 539 Medium

TULALIP BAY STP

Tulalip Bay, Washington

Tulalip Bay STP is a secondary treatment plant serving 1,561 people in Tulalip Bay, Washington. It discharges treated wastewater into the Puget Sound coastal environment.

Secondary 1,561 Medium

TAHOLAH STP

Grays Harbor County, Washington

TAHOLAH STP is a secondary treatment plant serving 755 people in Grays Harbor County, Washington. It discharges 302.83 units of treated wastewater near the Pacific coast.

Secondary 755 Medium

SUQUAMISH STP

Port Madison Indian Reservation, Washington

SUQUAMISH STP is a secondary treatment plant serving 3,510 people on the Port Madison Indian Reservation in Washington, USA. It discharges 378.54 m³/day of treated wastewater near the Puget Sound coast.

Secondary 3,510 Medium

Freeland WWS

Island County, Washington

Freeland WWS is an advanced wastewater treatment plant projected to serve 1,427 people in Island County, Washington. It discharges 681.37 megaliters annually and is located within 10 km of the coast.

Advanced 1,427 Medium

RUSTLEWOOD DEV STP

Walkers Landing, Washington

Rustlewood Dev STP is a secondary treatment plant serving 126 people in Walkers Landing, Washington. It discharges 37.85 m³/day of treated wastewater near the coast.

Secondary 126 Medium

LA CONNER TREATMENT

La Conner, Washington

La Conner Treatment is a secondary wastewater plant serving 1,115 people in La Conner, Washington. It discharges 567.81 thousand cubic meters annually and is located within 10 km of the coast.

Secondary 1,115 Medium

KINGSTON STP

Kingston, Washington

Kingston STP is a secondary treatment plant serving 1,871 people in Kingston, Washington. It discharges 435.32 million gallons per year and is located within 10 km of the coast.

Secondary 1,871 Medium

TAMOSHAN WWTP

Olympia, Washington

Tamoshan WWTP is a secondary treatment plant in Olympia, Washington, serving 292 people. It discharges 189.27 cubic meters of treated wastewater daily, located within 10 km of the coast.

Secondary 292 Medium

BOSTON HARBOR WWTF

Olympia, Washington

Boston Harbor WWTF is a secondary treatment plant in Olympia, Washington, serving 616 people. It discharges 170.34 million gallons per year and is located within 10 km of the coast.

Secondary 616 Medium

Carlyon Beach WWTP

Carlyon Beach, Washington

Carlyon Beach WWTP is a secondary treatment plant in Washington, USA, serving 385 people. It discharges 227.13 megaliters annually and has a designed capacity of 454.25 megaliters.

Secondary 385 Medium

LANGLEY S_T FACILITY

Langley, Washington

Langley S_T Facility is a secondary treatment plant in Langley, Washington, serving 1,045 people. It discharges 302.83 megaliters annually and is located within 10 km of the coast.

Secondary 1,045 Medium

PACIFIC BEACH STP

Pacific Beach, Washington

Pacific Beach STP is a secondary treatment plant serving 1,950 people in Pacific Beach, Washington. It discharges 378.54 m³/day of treated wastewater near the Pacific coast.

Secondary 1,950 Medium

Frequently asked

How many wastewater treatment plants are in Washington?

UtilityRadar indexes 248 wastewater treatment plants in Washington, with treatment level, capacity, operator and discharge data on each record.

What is the largest wastewater treatment plant in Washington?

Among the indexed plants, King County Vashon WWTP has the highest designed capacity at 1,968 m3/day.

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