What the EPA limit means
100 µg/L
Maximum Contaminant Level — the enforceable ceiling a supplier must stay under.
100 µg/L
Health goal (MCLG) — the level with no known health effect. It is a goal, not a legal limit, and is often zero for carcinogens.
SYR4
Where these measurements come from. Hover the tag for the EPA programme and years.
Where Endothall was found
The water suppliers reporting the highest levels, worst first.
| Supplier | City | State | Level vs EPA limit |
|---|---|---|---|
| City of Fresno | Fresno | CA | 400 µg/L 400% of the EPA limit, in the worst sample — 100 µg/L |
| City of Rainier | Rainier | OR | 47 µg/L 47% of the EPA limit 100 µg/L |
| Veterans Administration Medical Center | Sheridan | WY | 29.5 µg/L 30% of the EPA limit 100 µg/L |
| Borough of Atglen | Atglen | PA | 18.5 µg/L 19% of the EPA limit 100 µg/L |
| Cheyenne Board of Public Utilities | Cheyenne | WY | 9 µg/L 9% of the EPA limit 100 µg/L |
| Spirit Lake Water Management Rws | St. Michael | ND | 9 µg/L 9% of the EPA limit 100 µg/L |
| St. Lucie Mobile Village | Indiantown | MI | 9 µg/L 9% of the EPA limit 100 µg/L |
| City of Fort Meade | Fort Meade | FL | 9 µg/L 9% of the EPA limit 100 µg/L |
| Faith Farms Ministries | Boynton Beach | FL | 6.7 µg/L 6.7% of the EPA limit 100 µg/L |
| Lee County Utilities | Fort Myers | FL | 6.3 µg/L 6.3% of the EPA limit 100 µg/L |
| The Reserve Mhc Water System | — | LA | 6.3 µg/L 6.3% of the EPA limit 100 µg/L |
| Nas Pensacola / Corry Station | Pensacola | FL | 6.3 µg/L 6.3% of the EPA limit 100 µg/L |
| Cadiz Municipal Water Co | Cadiz | KY | 6 µg/L 6% of the EPA limit 100 µg/L |
| Central Asg | Tutuila | AS | 5 µg/L 5% of the EPA limit 100 µg/L |
| Sunrise Southwest | Fort Lauderdale | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Seminole - Big Cypress | Hollywood | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Fern Crest Utilities, Inc. | Ft Lauderdale | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Miramar (East ; West) Plants | Miramar | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| City of Pompano | Pompano Beach | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Sunrise Sawgrass | Sunrise | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Sunrise Springtree | Sunrise | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Royal Waterworks, Inc | Coral Springs | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| City of Fort Myers Water Treatment Plant | Fort Myers | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Mulberry, City of | Mulberry | FL | 4.3 µg/L 4.3% of the EPA limit 100 µg/L |
| Cross Creek Mhp | Hawthorne | FL | 4.1 µg/L 4.1% of the EPA limit 100 µg/L |
Frequently asked questions about Endothall
What is Endothall in drinking water?
Endothall 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.
What is the EPA limit for Endothall?
The EPA's Maximum Contaminant Level for Endothall is 100 µg/L, and its health goal (MCLG) is 100 µg/L. A result above the limit means the supplier must act; the goal is the level at which no health effects are expected.
How common is Endothall in US tap water?
Of the 11,927 water suppliers with results on file, 39 detected Endothall — 0.3% of those tested.