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Charles City County

Sewage treatment plant, Charles City, Virginia. NPDES permit VA0021261, in force until Oct 31, 2028. Last 12 months: over a limit 27 times (last August 2026), 4 required values missing, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (23 values), form A1 yearly
Renewal application due
May 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
20 values over a limit, 4 required values missing, 0 of 13 reports late

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

All 27 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, carbonaceous [5 day, 20 C], monthly average15.4≤ 9 mg/L71%
November 2025BOD, carbonaceous [5 day, 20 C], weekly average17.6≤ 14 mg/L26%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average13.8≤ 9 mg/L53%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average376≤ 340 g/d11%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average26≤ 9 mg/L189%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average27.1≤ 14 mg/L94%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average17.8≤ 9 mg/L98%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average17.8≤ 14 mg/L27%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average22≤ 9 mg/L144%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average22≤ 14 mg/L57%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average19≤ 9 mg/L111%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average19≤ 14 mg/L36%
May 2026Nitrogen, Kjeldahl, total [as N], monthly average12.8≤ 3 mg/L327%
May 2026Nitrogen, Kjeldahl, total [as N], weekly average12.8≤ 4.5 mg/L184%
May 2026Nitrogen, ammonia total [as N], monthly average14.2≤ .52 mg/L2631%
May 2026Nitrogen, ammonia total [as N], weekly average14.2≤ .52 mg/L2631%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average42≤ 9 mg/L367%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average42≤ 14 mg/L200%
June 2026Oxygen, dissolved [DO], minimum5.2≥ 6.6 mg/L21%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average18≤ 9 mg/L100%
July 2026BOD, carbonaceous [5 day, 20 C], weekly average18≤ 14 mg/L29%
July 2026Chlorine, total residual, daily minimum.5≥ .6 mg/L17%
July 2026Oxygen, dissolved [DO], minimum6.5≥ 6.6 mg/L2%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average19≤ 9 mg/L111%
August 2026BOD, carbonaceous [5 day, 20 C], weekly average19≤ 14 mg/L36%
August 2026Nitrogen, ammonia total [as N], monthly average.63≤ .52 mg/L21%
August 2026Nitrogen, ammonia total [as N], weekly average.63≤ .52 mg/L21%

Limits in force (27)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6.6 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 760 g/dall year
Solids, total suspendedweekly average≤ 1100 g/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .52 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ .52 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 3 mg/Lall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 4.5 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 110 g/dall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 170 g/dall year
Flow, in conduit or thru treatment plantmonthly average≤ .01 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ .008 mg/Lall year
Chlorine, total residualweekly average≤ .0098 mg/Lall year
Chlorine, total residualdaily minimum≥ .6 mg/Lall year
E. coligeometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 14 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 340 g/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 530 g/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all 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/VA0021261 · MCP: https://passage-data.com/mcp