PFAS in U.S. Virgin Islands drinking water
EPA's final UCMR 5 data covers 3 public water systems in U.S. Virgin Islands, serving about 69,550 people. PFAS turned up in 1 of them (33%). 1 averaged above at least one EPA limit at a sampling point, affecting about 550 people.
Every tested system in U.S. Virgin Islands
Largest first. PFOA and PFOS columns show the average at each system's worst sampling point; EPA's limit for each is 4 ppt. Filter by name:
| Water system | People | PFOA | PFOS | PFAS found | Result |
|---|---|---|---|---|---|
| Water and Power Authority-stx · Christiansted | 35,000 | - | - | 0 | None found |
| Water and Power Authority-stt · Christiansted | 34,000 | - | - | 0 | None found |
| Nisky Center | 550 | 4.7 | - | 4 | Above limit |
On a private well in U.S. Virgin Islands?
EPA's program only covers public systems. Private wells are never part of UCMR 5, so the only way to know is to test. Our well testing guide covers which lab tests to order, and the best well water systems covers what to install once you have results.
Cite this page
Well & Tap. "PFAS in U.S. Virgin Islands drinking water: results for 3 systems." Data: U.S. EPA UCMR 5, final release August 2026. https://wellandtap.com/pfas/u-s-virgin-islands/
Source: EPA UCMR 5 final occurrence data (August 2026); population from EPA SDWIS. Method.