Passage Data · Check a report · Use it from your AI
Water Supply, St Thomas, the U.S. Virgin Islands. NPDES permit VI0039853 expired Apr 30, 2021; its limits still apply. Last 12 months: no values over a limit, 158 required values missing, 15 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | ≤ 32 deg C | all year | 001 |
| pH | minimum | ≥ 7 SU | all year | 001 |
| pH | maximum | ≤ 8.3 SU | all year | 001 |
| Salinity | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .036 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .036 MGD | all year | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | ≤ 32 deg C | all year | 002 |
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 002 |
| pH | minimum | ≥ 7 SU | all year | 002 |
| pH | maximum | ≤ 8.3 SU | all year | 002 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .0025 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .0025 MGD | all year | 002 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 002 |
| Enterococci | 10% of samples | ≤ 110 CFU/100mL | all year | 002 |
| Enterococci | geometric mean | ≤ 30 CFU/100mL | all year | 002 |
| Enterococci | maximum | report only (CFU/100mL) | all year | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 002 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 002 |
Cited limits by parameter: we hold no rule of the U.S. Virgin Islands's own; the federal ones.
Same industry: the 9 Water Supply permits in the U.S. Virgin Islands.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/VI0039853 · MCP: https://passage-data.com/mcp