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Culpeper County

Sewage treatment plant, Jeffersonton, Virginia. NPDES permit VA0080527, in force until Feb 29, 2028. Last 12 months: over a limit 8 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (22 values), form A1 yearly, form S1 twice a year
Renewal application due
Sep 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 15 reports late

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

Period endingParameterReportedLimitOver by
February 2026E. coli, geometric mean> 114≤ 126 #/100mL—
February 2026Solids, total suspended, monthly average43.87≤ 25 mg/L75%
February 2026Solids, total suspended, maximum 7-day geometric mean78.27≤ 38 mg/L106%
February 2026Zinc, total recoverable, monthly average79≤ 47 ug/L68%
March 2026BOD, 5-day, 20 deg. C, monthly average28.36≤ 25 mg/L13%
March 2026BOD, 5-day, 20 deg. C, maximum 7-day geometric mean63.33≤ 38 mg/L67%
March 2026Solids, total suspended, monthly average48.02≤ 25 mg/L92%
March 2026Solids, total suspended, maximum 7-day geometric mean105.17≤ 38 mg/L177%

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 7.6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 3 mg/LJun–Nov
BOD, 5-day, 20 deg. Cmonthly average≤ 25 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, 5-day, 20 deg. Cmaximum 7-day geometric mean≤ 4.5 mg/LJun–Nov
BOD, 5-day, 20 deg. Cmaximum 7-day geometric mean≤ 38 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 10 kg/dJun–Nov
BOD, 5-day, 20 deg. Cmonthly average≤ 85 kg/dJan, Feb, Mar, Apr, May, Dec
BOD, 5-day, 20 deg. Cmaximum 7-day geometric mean≤ 15 kg/dJun–Nov
BOD, 5-day, 20 deg. Cmaximum 7-day geometric mean≤ 130 kg/dJan, Feb, Mar, Apr, May, Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 25 mg/LJan, Feb, Mar, Apr, May, Dec
Solids, total suspendedmonthly average≤ 5 mg/LJun–Nov
Solids, total suspendedmonthly average≤ 5 mg/LJun–Nov
Solids, total suspendedmaximum 7-day geometric mean≤ 38 mg/LJan, Feb, Mar, Apr, May, Dec
Solids, total suspendedmaximum 7-day geometric mean≤ 7.5 mg/LJun–Nov
Solids, total suspendedmaximum 7-day geometric mean≤ 7.5 mg/LJun–Nov
Solids, total suspendedmonthly average≤ 85 kg/dJan, Feb, Mar, Apr, May, Dec
Solids, total suspendedmonthly average≤ 17 kg/dJun–Nov
Solids, total suspendedmonthly average≤ 17 kg/dJun–Nov
Solids, total suspendedmaximum 7-day geometric mean≤ 130 kg/dJan, Feb, Mar, Apr, May, Dec
Solids, total suspendedmaximum 7-day geometric mean≤ 26 kg/dJun–Nov
Solids, total suspendedmaximum 7-day geometric mean≤ 26 kg/dJun–Nov
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/Lall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1.6 mg/Lall year
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Dec
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun–Nov
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Hardness, total [as CaCO3]averagereport only (mg/L)all year
Zinc, total recoverablemonthly average≤ 47 ug/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .9 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
E. coligeometric mean≤ 126 #/100mLall year
Nitrogen, Total As Nannual average≤ 7 mg/Lall year
Phosphorus, Total As Pannual average≤ 2 mg/Lall 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/VA0080527 · MCP: https://passage-data.com/mcp