What the EPA limit means
No federal limit
The EPA has not set an enforceable numeric limit for this contaminant.
—
Health goal (MCLG) — the level with no known health effect. It is a goal, not a legal limit, and is often zero for carcinogens.
UCMR-5
Where these measurements come from. Hover the tag for the EPA programme and years.
Where Pfba was found
The water suppliers reporting the highest levels, worst first. For lead and copper that is the 90th-percentile result the action level is written against; for Six-Year Review data, the 95th percentile of each system's samples.
| Supplier | City | State | Level vs EPA limit |
|---|---|---|---|
| Saint Paul Park | St. Paul Park | MN | 1.7 µg/L No EPA limit set |
| Oakdale | Oakdale | MN | 1.27 µg/L No EPA limit set |
| Iowa-American Wtr Co-Clinton District | Clinton | IA | 0.6479 µg/L No EPA limit set |
| Newport | Newport | MN | 0.5500 µg/L No EPA limit set |
| Woodbury | Woodbury | MN | 0.3860 µg/L No EPA limit set |
| Hastings | Hastings | MN | 0.3800 µg/L No EPA limit set |
| Il American-Lincoln | Lincoln | IL | 0.2332 µg/L No EPA limit set |
| Cottage Grove | Cottage Grove | MN | 0.2200 µg/L No EPA limit set |
| South Saint Paul | South St. Paul | MN | 0.1680 µg/L No EPA limit set |
| Municipal Services Commission | New Castle | DE | 0.1472 µg/L No EPA limit set |
| Lake Elmo | Lake Elmo | MN | 0.1400 µg/L No EPA limit set |
| Oak Park Heights | Oak Park Heights | MN | 0.1300 µg/L No EPA limit set |
| City of Trinidad | Trinidad | TX | 0.1250 µg/L No EPA limit set |
| Brookhaven National Laboratory | Brookhaven | NY | 0.1225 µg/L No EPA limit set |
| Stillwater | Stillwater | MN | 0.1180 µg/L No EPA limit set |
| Inver Grove Heights | Inver Grove Heights | MN | 0.1020 µg/L No EPA limit set |
| City of Brenham | Brenham | TX | 0.0985 µg/L No EPA limit set |
| City of Cameron | Cameron | TX | 0.0920 µg/L No EPA limit set |
| North Saint Paul | — | MN | 0.0851 µg/L No EPA limit set |
| Galesburg | Galesburg | IL | 0.0850 µg/L No EPA limit set |
| Airway Heights City of | Airway | WA | 0.0792 µg/L No EPA limit set |
| Artesian Water Company | — | — | 0.0791 µg/L No EPA limit set |
| Argyle Wsc | Argyle | TX | 0.0772 µg/L No EPA limit set |
| City of Sugar Land | Sugar Land | TX | 0.0748 µg/L No EPA limit set |
| White Bear Township | White Bear Lake | MN | 0.0740 µg/L No EPA limit set |
Frequently asked questions about Pfba
What is Pfba in drinking water?
Pfba is monitored in US public drinking water under EPA rules. Each supplier's result is reported to the EPA and published here with its source and period.
Does the EPA limit Pfba?
The EPA has not set a numeric Maximum Contaminant Level for Pfba. It is still measured and reported, so levels can be compared between suppliers.
How common is Pfba in US tap water?
Of the 9,676 water suppliers with results on file, 1,819 detected Pfba — 18.8% of those tested.