PFAS Contamination in Washington
98 contamination sites tracked
Washington has 98 identified PFAS contamination sites tracked in our database, sourced from EPA monitoring data. PFAS "forever chemicals" have been detected in water supplies, soil, and industrial sites across the state. These per- and polyfluoroalkyl substances persist in the environment and pose potential health risks. Use the map to explore specific sites or contact a remediation professional for help.
Washington PFAS affecting your Puget Sound property or aerospace facility? Connect with Pacific Northwest specialists experienced with marine ecosystem protection and aerospace industry cleanup.
Get a Free Assessment →Washington State faces significant PFAS contamination from military installations and aerospace industry sources affecting critical Pacific Northwest watersheds. Joint Base Lewis-McChord has created extensive contamination affecting the Nisqually River watershed and South Puget Sound region. Naval Air Station Whidbey Island has additional contamination affecting Island County and potentially Puget Sound marine ecosystems.
Boeing's manufacturing facilities and other aerospace companies have contributed PFAS contamination through industrial processes and firefighting systems. Seattle-Tacoma International Airport has created regional contamination affecting King County water resources. Washington's location at the terminus of major Pacific Northwest watersheds creates particular responsibilities for protecting water quality for the entire Columbia River and Puget Sound systems.
Key Facts
- Joint Base Lewis-McChord contamination affects Nisqually River and South Puget Sound
- Boeing and aerospace facilities create industrial contamination sources
- Location at watershed terminus creates Pacific Northwest system protection responsibilities
State Regulations
Washington State Department of Ecology has established Action Levels for PFAS compounds and requires comprehensive environmental monitoring for Puget Sound protection. The state coordinates with Oregon on Columbia River protection measures and provides technical assistance for affected communities.
Cities (79)
Sites (98)
WHITWORTH WATER DISTRICT 2
Mead, WA · Public Water System · 4 contaminants
WOODLAND CITY OF
WOODLAND, WA · Public Water System · 1 contaminants
HI VALLEY VIEW
Yakima, WA · Public Water System · 1 contaminants
AIRWAY HEIGHTS CITY OF
Airway, WA · Public Water System · 4 contaminants
West Sound Utility District #1
Port Orchard, WA · Public Water System · 4 contaminants
ARLINGTON CITY OF
Arlington, WA · Public Water System · 1 contaminants
ARTONDALE
Tacoma, WA · Public Water System · 8 contaminants
Auburn City of
Auburn, WA · Public Water System · 1 contaminants
LAKE CUSHMAN SYSTEM 5
Hoodsport, WA · Public Water System · 2 contaminants
QUIMPER
Port Townsend, WA · Public Water System · 1 contaminants
BENTON CITY WATER
Benton City, WA · Public Water System · 7 contaminants
YAK CO - TERRACE HEIGHTS
Yakima, WA · Public Water System · 1 contaminants
BONNEY LAKE WATER DEPARTMENT CITY
Buckley, WA · Public Water System · 1 contaminants
BREMERTON CITY OF
Bremerton, WA · Public Water System · 1 contaminants
CAMAS MUNICIPAL WATER SEWER SYSTEM
Camas, WA · Public Water System · 3 contaminants
CENTRALIA PUBLIC WORKS - WATER
Centralia, WA · Public Water System · 2 contaminants
CHENEY CITY OF
Cheney, WA · Public Water System · 1 contaminants
CLARK PUBLIC UTILITIES
VANCOUVER, WA · Public Water System · 5 contaminants
COLFAX WATER DEPARTMENT CITY OF
Colfax, WA · Public Water System · 1 contaminants
COLLEGE PLACE WATER DEPT
College Place, WA · Public Water System · 1 contaminants
CONNELL CITY OF
Connell, WA · Public Water System · 1 contaminants
COUPEVILLE TOWN OF
Coupeville, WA · Public Water System · 7 contaminants
CROSS VALLEY WATER DISTRICT
Snohomish, WA · Public Water System · 3 contaminants
DEER PARK CITY OF
Deer Park, WA · Public Water System · 3 contaminants
EAST SPOKANE WATER DIST 1
Spokane Valley, WA · Public Water System · 1 contaminants
CONSOLIDATED SUPPORT SERVICES
Medical lake, WA · Public Water System · 1 contaminants
EASTERN WASHINGTON UNIVERSITY
Cheney, WA · Public Water System · 1 contaminants
EPHRATA WATER DEPARTMENT
Ephrata, WA · Public Water System · 1 contaminants
FAIRCHILD AIR FORCE BASE
Fairchild AFB, WA · Public Water System · 5 contaminants
FIRCREST CITY OF
Fircrest, WA · Public Water System · 1 contaminants
FIRGROVE MUTUAL INC
Puyallup, WA · Public Water System · 3 contaminants
JBLM Lewis
Joint Base Lewis-McChord, WA · Public Water System · 5 contaminants
FRUITLAND MUTUAL WATER COMPANY
PUYALLUP, WA · Public Water System · 4 contaminants
GOLDENDALE CITY OF
Goldendale, WA · Public Water System · 1 contaminants
GRANDVIEW CITY OF
Grandview, WA · Public Water System · 1 contaminants
GRANGER WATER DEPARTMENT
Granger, WA · Public Water System · 1 contaminants
HARRINGTON CITY OF
Waverly, WA · Public Water System · 1 contaminants
HORIZONS WEST
Tacoma, WA · Public Water System · 1 contaminants
IRVIN WATER DISTRICT #6
Spokane, WA · Public Water System · 1 contaminants
KENNEWICK CITY OF
Kennewick, WA · Public Water System · 7 contaminants
KENT WATER DEPARTMENT
Kent, WA · Public Water System · 1 contaminants
SAMMAMISH PLATEAU WATER & SEWER
Sammamish, WA · Public Water System · 6 contaminants
COVINGTON WATER DISTRICT
Kent, WA · Public Water System · 5 contaminants
CEDAR RIVER WATER & SEWER DISTRICT
Maple Valley, WA · Public Water System · 1 contaminants
Lake Meridian Water District
Kent, WA · Public Water System · 1 contaminants
LAKEHAVEN WATER AND SEWER DISTRICT
FEDERAL WAY, WA · Public Water System · 6 contaminants
PORT ANGELES COMPOSITE
Carlsborg, WA · Public Water System · 1 contaminants
LACEY WATER DEPARTMENT
Lacey, WA · Public Water System · 4 contaminants
LAKEWOOD WATER DISTRICT
LAKEWOOD, WA · Public Water System · 5 contaminants
LIBERTY LAKE SEWER & WATER DISTRICT
Liberty Lake, WA · Public Water System · 1 contaminants
Mattawa City of
Mattawa, WA · Public Water System · 1 contaminants
JBLM McChord Field
Joint Base Lewis-McChord, WA · Public Water System · 3 contaminants
MEDICAL LAKE CITY OF
Medical Lake, WA · Public Water System · 3 contaminants
MINTERBROOK
Tacoma, WA · Public Water System · 3 contaminants
MILTON CITY OF
MILTON, WA · Public Water System · 4 contaminants
MODEL IRRIGATION DIST #18
Spokane, WA · Public Water System · 5 contaminants
MOSES LAKE CITY OF
Moses Lake, WA · Public Water System · 6 contaminants
MOUNTAIN VIEW-EDGEWOOD WATER CO
Edgewood, WA · Public Water System · 1 contaminants
MOXEE WATER DEPARTMENT
MOXEE, WA · Public Water System · 1 contaminants
NOB HILL WATER ASSOCIATION
Yakima, WA · Public Water System · 1 contaminants
Northwest Water Assoc. Inc.
Lynden, WA · Public Water System · 1 contaminants
NORTH BEACH WATER
Ocean Park, WA · Public Water System · 1 contaminants
OLYMPIA CITY OF
OLYMPIA, WA · Public Water System · 5 contaminants
OMAK CITY OF
Omak, WA · Public Water System · 2 contaminants
OTHELLO WATER DEPARTMENT
Othello, WA · Public Water System · 1 contaminants
PARKLAND LIGHT & WATER COMPANY
Tacoma, WA · Public Water System · 6 contaminants
PARKVIEW TERRACE
Tacoma, WA · Public Water System · 1 contaminants
PEACOCK HILL
Tacoma, WA · Public Water System · 7 contaminants
PROSSER CITY OF
Prosser, WA · Public Water System · 1 contaminants
PULLMAN WATER DEPARTMENT CITY OF
Pullman, WA · Public Water System · 1 contaminants
PUYALLUP CITY OF
Puyallup, WA · Public Water System · 1 contaminants
QUISTORFF
Tacoma, WA · Public Water System · 7 contaminants
REDMOND WATER SYSTEM CITY OF
Redmond, WA · Public Water System · 3 contaminants
RENTON CITY OF
Renton, WA · Public Water System · 1 contaminants
RICHLAND CITY OF
Richland, WA · Public Water System · 8 contaminants
SELAH CITY OF
Selah, WA · Public Water System · 1 contaminants
SEQUIM CITY OF
SEQUIM, WA · Public Water System · 1 contaminants
SKAGIT COUNTY PUD 1 JUDY RES
Mount Vernon, WA · Public Water System · 1 contaminants
SOUTHWOOD
Tacoma, WA · Public Water System · 6 contaminants
SPANAWAY WATER COMPANY
Spanaway, WA · Public Water System · 6 contaminants
SPOKANE CITY OF
Spokane, WA · Public Water System · 4 contaminants
SUMMIT WATER & SUPPLY CO
Tacoma, WA · Public Water System · 1 contaminants
STEVENS CO PUD - SUNCREST
Loon Lake, WA · Public Water System · 3 contaminants
SUNNYSIDE CITY OF
Sunnyside, WA · Public Water System · 1 contaminants
TACOMA WATER DIVISION CITY OF
TACOMA, WA · Public Water System · 2 contaminants
TOPPENISH WATER DEPARTMENT
Toppenish, WA · Public Water System · 1 contaminants
TRENTWOOD IRRIGATION DISTRICT 3
SPOKANE, WA · Public Water System · 5 contaminants
TUMWATER CITY OF
Tumwater, WA · Public Water System · 1 contaminants
UNION GAP WATER
Union Gap, WA · Public Water System · 1 contaminants
VANCOUVER CITY OF
Vancouver, WA · Public Water System · 7 contaminants
WAPATO WATERWORKS
Wapato, WA · Public Water System · 1 contaminants
WARDEN CITY OF
Warden, WA · Public Water System · 1 contaminants
WASHINGTON STATE UNIVERSITY
Pullman, WA · Public Water System · 1 contaminants
PUD #1 OF ASOTIN COUNTY
Clarkston, WA · Public Water System · 1 contaminants
SPO CO WATER DIST 3 SYS 1
Spokane, WA · Public Water System · 1 contaminants
WASHOUGAL CITY OF
Washougal, WA · Public Water System · 3 contaminants
WEST RICHLAND CITY OF
West Richland, WA · Public Water System · 1 contaminants
WESTPORT WATER DEPARTMENT
WESTPORT, WA · Public Water System · 1 contaminants
Nearby States
Frequently Asked Questions
How many PFAS contamination sites are in Washington?
Washington has 98 PFAS contamination sites tracked in our database, sourced from EPA data.
How do I find PFAS sites near me in Washington?
Use our interactive map to search for PFAS contamination sites near any address in Washington. You can also browse by city below.
How can I get help with PFAS contamination in Washington?
Click "Get Help" to connect with certified PFAS remediation contractors in Washington. We offer free assessments.