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Gloucester County

Water Supply, Gloucester, Virginia. NPDES permit VA0078778, in force until Apr 30, 2030. Last 12 months: over a limit 14 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (8 values), form Q1 quarterly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
36 values over a limit, 0 required values missing, 0 of 27 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
January 2026Chloride [as Cl], daily maximum4944≤ 390 mg/L1168%
January 2026Chloride [as Cl], monthly average4944≤ 390 mg/L1168%
March 2026Chloride [as Cl], daily maximum5053≤ 390 mg/L1196%
March 2026Chloride [as Cl], monthly average5053≤ 390 mg/L1196%
April 2026Chloride [as Cl], daily maximum5136≤ 390 mg/L1217%
April 2026Chloride [as Cl], monthly average5136≤ 390 mg/L1217%
May 2026Chloride [as Cl], daily maximum5454≤ 390 mg/L1298%
May 2026Chloride [as Cl], monthly average5454≤ 390 mg/L1298%
June 2026Chloride [as Cl], daily maximum5017≤ 390 mg/L1186%
June 2026Chloride [as Cl], monthly average5017≤ 390 mg/L1186%
July 2026Chloride [as Cl], daily maximum5081≤ 390 mg/L1203%
July 2026Chloride [as Cl], monthly average5081≤ 390 mg/L1203%
August 2026Chloride [as Cl], daily maximum5136≤ 390 mg/L1217%
August 2026Chloride [as Cl], monthly average5136≤ 390 mg/L1217%

Limits in force (12)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Chloride [as Cl]monthly average≤ 390 mg/Lall year
Chloride [as Cl]daily maximum≤ 390 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .016 mg/Lall year
Chlorine, total residualdaily maximum≤ .016 mg/Lall year
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiamaximum≤ 7.14 tox chronicall year

New limits from May 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chloride [as Cl], monthly average360 mg/Ltighter5017 mg/L (11 values)13.9×

How strict are these limits?

Cited limits by parameter: Virginia's rules and the federal ones.

Same industry: the 24 Water Supply permits in Virginia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0078778 · MCP: https://passage-data.com/mcp