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 Pfmba 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 |
|---|---|---|---|
| Iowa-American Wtr Co-Clinton District | Clinton | IA | 0.0030 µg/L No EPA limit set |
Frequently asked questions about Pfmba
What is Pfmba in drinking water?
Pfmba 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 Pfmba?
The EPA has not set a numeric Maximum Contaminant Level for Pfmba. It is still measured and reported, so levels can be compared between suppliers.
How common is Pfmba in US tap water?
Of the 9,676 water suppliers with results on file, 1 detected Pfmba — 0% of those tested.