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The Reef Associates

Water Supply, St. Croix, the U.S. Virgin Islands. NPDES permit VI0040878, in force until May 31, 2029. Last 12 months: over a limit 3 times (last August 2026), 10 required values missing, 8 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly, outfall 001 form Y yearly, outfall 002 form A quarterly, outfall 002 form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 10 of 10 reports late

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

Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, percent removal, minimum69 %≥ 85 %107%
November 2025Solids, suspended percent removal, minimum53.3 %≥ 85 %211%
August 2026Solids, suspended percent removal, minimum73.3 %≥ 85 %78%

Limits in force (28)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximum≤ 32 deg Call year001
pHminimum≥ 7 SUall year001
pHmaximum≤ 8.3 SUall year001
Salinitydaily maximumreport only (ppk)all year001
Flow, in conduit or thru treatment plantdaily maximum≤ .057 MGDall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximum≤ 32 deg Call year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year002
pHminimum≥ 7 SUall year002
pHmaximum≤ 8.3 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Oil & Greasedaily maximumreport only (mg/L)all year002
Phosphorous, total organic [as P]daily maximumreport only (ug/L)all year002
Flow, in conduit or thru treatment plantdaily maximum≤ .025 MGDall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Chlorine, total residualmaximumreport only (mg/L)all year002
Chlorine, total residualdaily maximum≤ 1 mg/Lall year002
Enterococcigeometric mean≤ 30 #/100mLall year002
Enterococci10% of samples≤ 110 #/100mLall year002
BOD, 5-day, percent removalminimum≥ 85 %all year002
Solids, suspended percent removalminimum≥ 85 %all year002

How strict are these limits?

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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VI0040878 · MCP: https://passage-data.com/mcp