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Appomattox Town

Sewage treatment plant, Appomattox, Virginia. NPDES permit VA0020257, in force until Nov 30, 2030. Last 12 months: over a limit 10 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (20 values), form S1 twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
25 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 2026BOD, 5-day, 20 deg. C, monthly average13.3≤ 9 mg/L48%
February 2026BOD, 5-day, 20 deg. C, monthly average17.3≤ 10.2 kg/d70%
February 2026BOD, 5-day, 20 deg. C, maximum weekly average36.7≤ 13.5 mg/L172%
February 2026BOD, 5-day, 20 deg. C, maximum weekly average53.7≤ 15.3 kg/d251%
February 2026Nitrogen, Kjeldahl, total [as N], monthly average7.2≤ 5 mg/L44%
February 2026Nitrogen, Kjeldahl, total [as N], monthly average9.2≤ 5.6 kg/d64%
February 2026Nitrogen, Kjeldahl, total [as N], maximum weekly average18≤ 7.5 mg/L140%
February 2026Nitrogen, Kjeldahl, total [as N], maximum weekly average26.6≤ 8.5 kg/d213%
May 2026Zinc, total recoverable, monthly average64≤ 53 ug/L21%
May 2026Zinc, total recoverable, maximum weekly average64≤ 53 ug/L21%

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 7.2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 9 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 13.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10.2 kg/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 15.3 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 34 kg/dall year
Solids, total suspendedmaximum weekly average≤ 51 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 7.5 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 5.6 kg/dall year
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 8.5 kg/dall year
Zinc, total recoverablemonthly average≤ 53 ug/Lall year
Zinc, total recoverablemaximum weekly average≤ 53 ug/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .3 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD) (alert, not enforceable)all year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
E. coligeometric mean≤ 126 #/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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0020257 · MCP: https://passage-data.com/mcp