Total PFOS and PFOA
EWG Health Guideline
0.007 ppb
National Average
4.16 ppb
Detected In
50 utilities
Health Risks
EWG applied the health guideline of 0.09 ppt, defined by the California Office of Environmental Health Hazard Assessment as a public health goal for PFOA, to PFOS and PFOA combined. This health guideline protects against cancer.
Filtration Methods
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Utilities That Detected This Contaminant
| Utility Name | State | Level Detected | Status | |
|---|---|---|---|---|
| Houlton Mobile Home Park | ME | 176.2 ppt | Exceeds Guideline | View |
| City of Moses Lake | WA | 52.2 ppt | Exceeds Guideline | View |
| Cheney, City of | WA | 42.6 ppt | Exceeds Guideline | View |
| Badger Mountain Irrigation District | WA | 21.4 ppt | Exceeds Guideline | View |
| City of Richland | WA | 21.4 ppt | Exceeds Guideline | View |
| City of West Richland | WA | 21.4 ppt | Exceeds Guideline | View |
| City of Vancouver | WA | 20.9 ppt | Exceeds Guideline | View |
| Mountain View Correctional Facility | ME | 20 ppt | Exceeds Guideline | View |
| Marshfield Utilities | WI | 13.3 ppt | Exceeds Guideline | View |
| Sammamish Plateau Water and Sewer | WA | 12.4 ppt | Exceeds Guideline | View |
| Sanford Water District | ME | 12.3 ppt | Exceeds Guideline | View |
| Clark Public Utilities | WA | 12 ppt | Exceeds Guideline | View |
| Dupont Water System City Of | WA | 11.8 ppt | Exceeds Guideline | View |
| JBLM Lewis | WA | 11 ppt | Exceeds Guideline | View |
| Parkland Light & Water Company | WA | 10.4 ppt | Exceeds Guideline | View |
| City of Kennewick | WA | 9.64 ppt | Exceeds Guideline | View |
| Camas Municipal Water Sewer System | WA | 9.36 ppt | Exceeds Guideline | View |
| Kennebec Water District | ME | 8.17 ppt | Exceeds Guideline | View |
| Centralia Utilities | WA | 8.1 ppt | Exceeds Guideline | View |
| Whitworth Water District 2 | WA | 7.99 ppt | Exceeds Guideline | View |
| Pewaukee Village Waterworks | WI | 7.83 ppt | Exceeds Guideline | View |
| Weston Municipal Utilities | WI | 7.58 ppt | Exceeds Guideline | View |
| Sugarloaf Water Association | ME | 7.57 ppt | Exceeds Guideline | View |
| Elliott Apartments | ME | 7.52 ppt | Exceeds Guideline | View |
| Covington Water District | WA | 7.5 ppt | Exceeds Guideline | View |
| Eau Claire Waterworks | WI | 7.3 ppt | Exceeds Guideline | View |
| Greater Augusta Utility District | ME | 7.29 ppt | Exceeds Guideline | View |
| Highline Water District | WA | 7.13 ppt | Exceeds Guideline | View |
| Southwood Water System | WA | 6.85 ppt | Exceeds Guideline | View |
| Wausau Waterworks | WI | 6.81 ppt | Exceeds Guideline | View |
| Prescott Waterworks | WI | 6.68 ppt | Exceeds Guideline | View |
| Dubuque Water Works | IA | 6.63 ppt | Exceeds Guideline | View |
| Vigneaults Mobile Home Park | ME | 6.33 ppt | Exceeds Guideline | View |
| Lakehaven Utility District | WA | 5.81 ppt | Exceeds Guideline | View |
| Lakewood Water District | WA | 5.35 ppt | Exceeds Guideline | View |
| Firgrove Mutual Inc | WA | 5.34 ppt | Exceeds Guideline | View |
| City of Spokane | WA | 5.05 ppt | Exceeds Guideline | View |
| Pewaukee City Water and Sewer Utility | WI | 4.84 ppt | Exceeds Guideline | View |
| Jblm Mcchord Field | WA | 4.5 ppt | Exceeds Guideline | View |
| Sioux City Water Supply | IA | 4.37 ppt | Exceeds Guideline | View |
| City of South Sioux City | NE | 4.37 ppt | Exceeds Guideline | View |
| Two Rivers Waterworks | WI | 4.37 ppt | Exceeds Guideline | View |
| Oak Creek Waterworks | WI | 4.35 ppt | Exceeds Guideline | View |
| South Milwaukee Waterworks | WI | 4.25 ppt | Exceeds Guideline | View |
| Muscatine Power & Water | IA | 4.15 ppt | Exceeds Guideline | View |
| PUD #1 of Asotin County | WA | 4.15 ppt | Exceeds Guideline | View |
| Glendale Waterworks | WI | 4.05 ppt | Exceeds Guideline | View |
| Whitefish Bay Waterworks | WI | 4.05 ppt | Exceeds Guideline | View |
| Kenosha Water Utility | WI | 3.65 ppt | Exceeds Guideline | View |
| Pleasant Prairie Water Utility | WI | 3.65 ppt | Exceeds Guideline | View |