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.
SYR4
Where these measurements come from. Hover the tag for the EPA programme and years.
Where Dichloroacetic Acid 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 |
|---|---|---|---|
| Creswell Heights Jt Auth | South Heights | PA | 3061.12 µg/L No EPA limit set |
| Brighton Twp Muni Auth | Beaver | PA | 1975 µg/L No EPA limit set |
| Saegertown Mhp | — | FL | 870 µg/L No EPA limit set |
| Conneaut Lake Park Water | Harmonsburg | PA | 684.06 µg/L No EPA limit set |
| Hickory Hills Mhc | Bath | PA | 235.725 µg/L No EPA limit set |
| Vallenar View Mobile Home Park | Ketchikan | AK | 222 µg/L No EPA limit set |
| Longton, City of | Longton | KS | 198 µg/L No EPA limit set |
| The Trails S/D | Chapel Hill | NC | 195.8 µg/L No EPA limit set |
| Osage Co Rwd #20 (Hulah) | Bartlesville | OK | 193 µg/L No EPA limit set |
| City of Nome | — | TX | 187.5 µg/L No EPA limit set |
| Hudson Gaars Mill Water System | Dodson | LA | 178.4 µg/L No EPA limit set |
| City of Venus | — | TX | 168.75 µg/L No EPA limit set |
| Murphy Hill Ws #02 | Aromas | CA | 160 µg/L No EPA limit set |
| Sandy Point 480 Water System | Campti | LA | 155.25 µg/L No EPA limit set |
| Elk City, City of | Elk City | KS | 152 µg/L No EPA limit set |
| Buckland Water System | Buckland | AK | 146.6 µg/L No EPA limit set |
| Severy, City of | Severy | KS | 146 µg/L No EPA limit set |
| M & H Mhp, Llc | — | NY | 125.625 µg/L No EPA limit set |
| Alberta Water System | Castor | LA | 122.1 µg/L No EPA limit set |
| Central Bridge Water District | Schoharie | NY | 119.07 µg/L No EPA limit set |
| Town of Oil City Water System | Oil City | LA | 118.3 µg/L No EPA limit set |
| Fairview Union Water System | Coushatta | LA | 114.8 µg/L No EPA limit set |
| City of Strawn | — | TX | 114.705 µg/L No EPA limit set |
| Weleetka Public Works Authority | Weleetka | OK | 114.05 µg/L No EPA limit set |
| Tatitlek Water System | Tatitlek | AK | 114 µg/L No EPA limit set |
Frequently asked questions about Dichloroacetic Acid
What is Dichloroacetic Acid in drinking water?
Dichloroacetic Acid 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 Dichloroacetic Acid?
The EPA has not set a numeric Maximum Contaminant Level for Dichloroacetic Acid. It is still measured and reported, so levels can be compared between suppliers.
How common is Dichloroacetic Acid in US tap water?
Of the 28,696 water suppliers with results on file, 19,963 detected Dichloroacetic Acid — 69.6% of those tested.