Westin St. John, USVI — NPDES permit VI0040151: limits, due date and EPA's record

Water Supply, St. John, the U.S. Virgin Islands. NPDES permit VI0040151 expired Sep 30, 2021; its limits still apply. Last 12 months: over a limit 3 times (last June 2026), 47 required values missing, 14 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Parameter	Reported	Limit	Over by
December 2025	Flow, in conduit or thru treatment plant, monthly average	.289 MGD	≤ .24 MGD	20%
June 2026	Flow, in conduit or thru treatment plant, monthly average	.246 MGD	≤ .24 MGD	3%
June 2026	Flow, in conduit or thru treatment plant, monthly average	.246 MGD	≤ .24 MGD	3%

Limits in force (47)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. centigrade	monthly average	report only (deg C)	all year	001
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
Flow, in conduit or thru treatment plant	monthly average	≤ .24 MGD	all year	001
Flow, in conduit or thru treatment plant	daily maximum	≤ .33 MGD	all year	001
Temperature, water deg. centigrade	monthly average	report only (deg C)	all year	002
Temperature, water deg. centigrade	daily maximum	≤ 32 deg C	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	002
BOD, 5-day, 20 deg. C	weekly average	≤ 45 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	002
pH	minimum	≥ 7 SU	all year	002
pH	maximum	≤ 8.3 SU	all year	002
Solids, total suspended	monthly average	≤ 30 mg/L	all year	002
Solids, total suspended	weekly average	≤ 45 mg/L	all year	002
Solids, total suspended	monthly average	report only (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	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	≤ .204 MGD	all year	002
Chlorine, total residual	maximum	report only (mg/L)	all year	002
Chlorine, total residual	daily maximum	≤ 1 mg/L	all year	002
Enterococci	monthly geometric mean	≤ 30 #/100mL	all year	002
Enterococci	daily maximum	≤ 110 #/100mL	all year	002
BOD, 5-day, percent removal	minimum	≥ 85 %	all year	002
Solids, suspended percent removal	minimum	≥ 85 %	all year	002
Temperature, water deg. centigrade	monthly average	report only (deg C)	all year	003
Temperature, water deg. centigrade	daily maximum	≤ 32 deg C	all year	003
Oxygen, dissolved [DO]	minimum	≥ 5.5 mg/L	all year	003
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	003
BOD, 5-day, 20 deg. C	weekly average	≤ 45 mg/L	all year	003
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	003
pH	minimum	≥ 7 SU	all year	003
pH	maximum	≤ 8.3 SU	all year	003
Solids, total suspended	monthly average	≤ 30 mg/L	all year	003
Solids, total suspended	weekly average	≤ 45 mg/L	all year	003
Solids, total suspended	monthly average	report only (mg/L)	all year	003
Oil & Grease	daily maximum	report only (mg/L)	all year	003
Phosphorus, total [as P]	daily maximum	report only (ug/L)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	≤ .204 MGD	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Chlorine, total residual	maximum	report only (ug/L)	all year	003
Chlorine, total residual	4-day average	≤ 7.5 ug/L	all year	003
Chlorine, total residual	1-hour average	≤ 13 ug/L	all year	003
Enterococci	maximum	≤ 110 #/100mL	all year	003
Enterococci	monthly geometric mean	≤ 30 #/100mL	all year	003
BOD, 5-day, percent removal	minimum	≥ 85 %	all year	003
Solids, suspended percent removal	minimum	≥ 85 %	all year	003

How strict are these limits?

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

Your permit document is the final word. As JSON: /api/v1/permits/VI0040151 · MCP: https://passage-data.com/mcp