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VI Water & Power Authority TANK 3

Industrial or other facility, St. Thomas, the U.S. Virgin Islands. NPDES permit VI0000065 expired Apr 30, 2020; its limits still apply. Last 12 months: no values over a limit, 12 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 29 days after each period: form A monthly (12 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 12 of 12 reports late

Limits in force (12)

Parameter	Statistic	Limit	Months
Temperature, water deg. centigrade	daily maximum	≤ 32 deg C	all year
Turbidity	maximum	≤ 3 NTU	all year
Oxygen, dissolved [DO]	minimum	≥ 5.5 mg/L	all year
pH	minimum	≥ 6.7 SU	all year
pH	maximum	≤ 8.5 SU	all year
Oil & Grease	daily maximum	report only (mg/L)	all year
Fecal coliform	daily maximum	report only (MPN/g)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	maximum	≤ .2 mg/L	all year
E. coli	daily maximum	report only (#/100mL)	all year
Enterococci	10% of samples	≤ 110 #/100mL	all year
Enterococci	geometric mean	≤ 30 #/100mL	all year

How strict are these limits?

Chlorine, total residual, maximum .2 mg/L — stricter than 83% of 568 other minor industrial and other permits nationwide
Enterococci, geometric mean 30 #/100mL — stricter than 76% of 26 other minor industrial and other permits nationwide; 23% have the same limit
Oxygen, dissolved [DO], minimum at least 5.5 mg/L — stricter than 39% of 574 other minor industrial and other permits nationwide; 1% have the same limit

Cited limits by parameter: we hold no rule of the U.S. Virgin Islands's own; the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VI0000065 · MCP: https://passage-data.com/mcp