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Hampton Roads Sanitation District

Sewerage Systems, major discharger, Williamsburg, Virginia. NPDES permit VA0081302, in force until Apr 30, 2030. Last 12 months: over a limit once (last May 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (19 values), form A1 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 13 reports late

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

Period endingParameterReportedLimitOver by
May 2026Chlorine, total residual, minimum.01≥ .1 mg/L90%

Limits in force (25)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 2555 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 3832 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 2555 kg/dall year
Solids, total suspendedweekly average≤ 3832 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]annual average≤ 14 mg/Lall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]annual average≤ 2 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 22.5 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ .2 mg/Lall year
Chlorine, total residualweekly average≤ 2.4 mg/Lall year
Chlorine, total residualminimum≥ .1 mg/Lall year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
Enterococcigeometric mean≤ 35 #/100mLall year
Coliform, fecal generalgeometric mean≤ 200 #/100mLall year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0081302 · MCP: https://passage-data.com/mcp