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Danville City

Sewage treatment plant, major discharger, Danville, Virginia. NPDES permit VA0060593, in force until May 31, 2029. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 001 form M1 monthly (21 values), outfall 001 form Q1 quarterly (4 values), outfall 002 form S1 twice a year, outfall 004 form S1 twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 20 reports late

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

Period endingOutfallParameterReportedLimitOver by
December 2025004E. coli, instantaneous maximum770≤ 235 #/100mL228%
June 2026002E. coli, instantaneous maximum326≤ 235 #/100mL39%

Limits in force (39)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 25 mg/LJun–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 37 mg/LJun–Oct001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 1907 kg/dJun–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 2200 kg/dJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 2800 kg/dJun–Oct001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 3400 kg/dJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 2200 kg/dall year001
Solids, total suspendedmaximum weekly average≤ 3400 kg/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly average≤ 24 mg/LJun–Oct001
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 36 mg/LJun–Oct001
Nitrogen, Kjeldahl, total [as N]monthly average≤ 1817 kg/dJun–Oct001
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 2700 kg/dJun–Oct001
Flow, in conduit or thru treatment plantmonthly average≤ 20 MGD (alert, not enforceable)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year001
Chlorine, total residualmonthly average≤ 55 ug/Lall year001
Chlorine, total residualweekly maximum≤ 58 ug/Lall year001
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colimaximum weekly averagereport only (#/100mL)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
pHmaximumreport only (SU)all year002
Solids, total suspendedmaximumreport only (mg/L)all year002
Nitrogen, total [as N]maximumreport only (mg/L)all year002
Phosphorus, total [as P]maximumreport only (mg/L)all year002
E. coliinstantaneous maximum≤ 235 #/100mLall year002
pHmaximumreport only (SU)all year004
Solids, total suspendedmaximumreport only (mg/L)all year004
Nitrogen, total [as N]maximumreport only (mg/L)all year004
Phosphorus, total [as P]maximumreport only (mg/L)all year004
E. coliinstantaneous maximum≤ 235 #/100mLall year004

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/VA0060593 · MCP: https://passage-data.com/mcp