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Tangier Town

Sewage treatment plant, Accomac, Virginia. NPDES permit VA0067423, in force until Mar 31, 2030. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (20 values), form A1 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026Enterococci, monthly average962≤ 35 #/100mL2649%
March 2026Coliform, fecal general, monthly average797≤ 200 #/100mL299%
March 2026Enterococci, monthly average67≤ 35 #/100mL91%
June 2026Enterococci, monthly average37≤ 35 #/100mL6%

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 4 mg/Lall year
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≤ 11 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 17 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≤ 11 kg/dall year
Solids, total suspendedweekly average≤ 17 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (kg/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ .1 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ .013 mg/Lall year
Chlorine, total residualmaximum≤ .016 mg/Lall year
Chlorine, total residualminimum≥ .6 mg/Lall year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
Enterococcimonthly average≤ 35 #/100mLall year
Coliform, fecal generalmonthly average≤ 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/VA0067423 · MCP: https://passage-data.com/mcp