Know Your Environment. Protect Your Health.

CONTAMINANT

PFOS + PFOA + PFHxS + PFNA

STATES DETECTED

1

serves

2.2 million

utilities detected

177

Overview

State, National, and Health Guidelines for Drinking Water

ppt = parts per trillion

Want to remove
PFOS + PFOA + PFHxS + PFNA from your water?

Try these filter technologies:

Activated Carbon

Reverse Osmosis

understand filter technology

PFOS + PFOA + PFHxS + PFNA around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
Washington1772,241,002

Utilities with the highest amounts of PFOS + PFOA + PFHxS + PFNA, 2021-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
ArtondaleGig Harbor, WA4 of 4120.8 ppt5,647
Inwood Beach ClubPort Orchard, WA2 of 2105.0 ppt80
Kopachuck Ridge Water DistrictGig Harbor, WA1 of 176.7 ppt185
Cheney, City of*Cheney, WA1 of 165.6 ppt14,621
Clear Creek Mobile Home ParkPort Orchard, WA6 of 663.0 ppt63
City of Moses LakeMoses Lake, WA2 of 254.9 ppt32,428
Western State HospitalTacoma, WA2 of 253.3 ppt2,857
Fairchild Community LlcPort Orchard, WA4 of 449.3 ppt98
Harborland Mobile ParkPort Orchard, WA3 of 348.2 ppt92
Mansfield Water SystemMansfield, WA2 of 247.4 ppt380
Laurel Lane Mhc LlcPort Orchard, WA1 of 147.0 ppt75
Whispering Pines Homeowners CoopCoupeville, WA1 of 140.7 ppt116
Stevens Co. PUD - RiversideLoon Lake, WA1 of 139.0 ppt365
QuistorffGig Harbor, WA3 of 337.8 ppt1,176
Roy City OfRoy, WA4 of 434.5 ppt1,214
Sawyerwood Water SystemBlack Diamond, WA1 of 128.7 ppt32
Sammamish Plateau Water and Sewer*Sammamish, WA12 of 1227.5 ppt65,598
City of West RichlandWest Richland, WA4 of 427.1 ppt17,410
City of Richland*Richland, WA4 of 427.1 ppt94,463
Badger Mountain Irrigation DistrictKennewick, WA4 of 427.1 ppt2,295
City of VancouverVancouver, WA14 of 1426.1 ppt373,047
Evergreen Sky Ranch Community WaterAuburn, WA1 of 125.5 ppt44
Lazy Acres 351Lacey, WA16 of 1624.3 ppt267
Clark Public Utilities*Vancouver, WA2 of 223.7 ppt116,876
Meridian Heights Water DistrictPort Orchard, WA3 of 323.6 ppt126
Pinecroft Mobile Home ParkPort Orchard, WA3 of 322.9 ppt248
Burbank Irrigation District 4Pasco, WA4 of 421.6 ppt527
Fairchild Air Force BaseFairchild Afb, WA1 of 119.7 ppt3,463
Eagle EstatesTacoma, WA5 of 518.9 ppt53
YacoltVancouver, WA5 of 518.8 ppt2,630
Benton City WaterPo Box 70, WA1 of 118.4 ppt5,305
City of Kennewick*Kennewick, WA11 of 1118.2 ppt89,224
Rustic RidgeQuincy, WA1 of 118.1 ppt221
JBLM LewisJoint Base Lewis-mcchord, WA15 of 1517.5 ppt58,497
Dupont Water System City OfDupont, WA14 of 1417.2 ppt12,860
Highline Water District*Kent, WA3 of 317.1 ppt115,057
Indian Village Estates Water AssociationSpokane, WA4 of 416.5 ppt90
Twin Firs Mobile EstatesBellevue, WA1 of 116.3 ppt175
Metz Community & Rv LlcPort Orchard, WA1 of 116.0 ppt245
Rainier VillaPuyallup, WA1 of 115.9 ppt51
Rosedale Heights Trailer ParkGig Harbor, WA5 of 515.8 ppt435
Welchs Water AssociationPort Orchard, WA1 of 115.8 ppt69
Scott LakePort Orchard, WA5 of 515.2 ppt1,554
SummerhillTacoma, WA4 of 415.1 ppt42
Woodland ManorUnion, WA6 of 614.6 ppt192
Cedar CrestGig Harbor, WA4 of 414.6 ppt2,946
Fairwind Mobile Home ParkPort Orchard, WA4 of 414.3 ppt78
East Olympia 684Lacey, WA8 of 813.6 ppt230
Enchanted Firs Mobile EstatesPort Orchard, WA4 of 412.9 ppt70
Parkland Light & Water Company*Tacoma, WA7 of 712.9 ppt29,595

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report PFOS + PFOA + PFHxS + PFNA, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Cheney, City of*Cheney, WA1 of 165.6 ppt14,621
City of Moses LakeMoses Lake, WA2 of 254.9 ppt32,428
Sammamish Plateau Water and Sewer*Sammamish, WA12 of 1227.5 ppt65,598
City of West RichlandWest Richland, WA4 of 427.1 ppt17,410
City of Richland*Richland, WA4 of 427.1 ppt94,463
City of VancouverVancouver, WA14 of 1426.1 ppt373,047
Clark Public Utilities*Vancouver, WA2 of 223.7 ppt116,876
City of Kennewick*Kennewick, WA11 of 1118.2 ppt89,224
JBLM LewisJoint Base Lewis-mcchord, WA15 of 1517.5 ppt58,497
Dupont Water System City OfDupont, WA14 of 1417.2 ppt12,860
Highline Water District*Kent, WA3 of 317.1 ppt115,057
Parkland Light & Water Company*Tacoma, WA7 of 712.9 ppt29,595
Jblm Mcchord FieldJoint Base Lewis-mcchord, WA4 of 411.3 ppt13,115
Covington Water District*Kent, WA2 of 211.1 ppt52,143
Camas Municipal Water Sewer SystemCamas, WA18 of 189.36 ppt31,794
Centralia UtilitiesCentralia, WA1 of 18.10 ppt28,164
Whitworth Water District 2*Mead, WA1 of 17.99 ppt26,883
QuimperPort Townsend, WA3 of 37.88 ppt14,500
Lakewood Water District*Lakewood, WA3 of 37.70 ppt62,089
Southwood Water SystemTacoma, WA15 of 157.00 ppt64,276
West Sound Utility District #1Port Orchard, WA2 of 26.35 ppt28,721
Firgrove Mutual IncPuyallup, WA11 of 116.17 ppt36,055
Lakehaven Utility DistrictFederal Way, WA9 of 95.75 ppt116,906
City of Spokane*Spokane, WA6 of 65.05 ppt343,167
Issaquah Water SystemIssaquah, WA3 of 34.61 ppt39,578
PUD #1 of Asotin CountyClarkston, WA2 of 24.15 ppt22,583
Battle Ground Water DepartmentBattle Ground, WA2 of 22.57 ppt28,864
Kent Water DepartmentKent, WA1 of 12.28 ppt157,101
Olympic View Water & Sewer DistrictEdmonds, WA1 of 12.20 ppt16,403

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report PFOS + PFOA + PFHxS + PFNA, but it likely has the contaminant in its water supply.

Know the Standards

Understand EWG’s guidelines on contaminants in your water.

view ewg’s standards

Take Action

Interested in supporting other causes? Learn more about our ongoing campaigns and how you can make a difference.

LEARN MORE

Need help finding a filter?

Discover top-rated filters that protect your family from harmful contaminants.

GET THE GUIDE

We’re in this together

Donate today and join the fight to protect our environmental health.

DONATE TODAY

Protect your water

Sign our petition to protect PFAS drinking water standards

TAKE ACTION