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Culpeper County

Sewerage Systems, Culpeper, Virginia. NPDES permit VA0089354, in force until Mar 31, 2028. Last 12 months: over a limit 6 times (last August 2026), 12 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (19 values), form Q2 quarterly (1 value), form A1 yearly, form A2 yearly
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 18 reports late

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

Period endingParameterReportedLimitOver by
January 2026Solids, total suspended, monthly average36.85≤ 30 mg/L23%
January 2026Solids, total suspended, weekly average85.5≤ 45 mg/L90%
May 2026Solids, total suspended, weekly average118≤ 45 mg/L162%
May 2026Solids, total suspended, weekly average2.233≤ 1.7 kg/d31%
August 2026BOD, carbonaceous [5 day, 20 C], weekly average1.8≤ .57 kg/d216%
August 2026BOD, carbonaceous [5 day, 20 C], weekly average53≤ 15 mg/L253%

Limits in force (34)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan–May
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan–May
BOD, 5-day, 20 deg. Cmonthly average≤ 1.1 kg/dJan–May
BOD, 5-day, 20 deg. Cweekly average≤ 1.7 kg/dJan–May
BOD, 5-day, 20 deg. Caveragereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/LJan–May
Solids, total suspendedmonthly average≤ 10 mg/LJun–Dec
Solids, total suspendedweekly average≤ 45 mg/LJan–May
Solids, total suspendedweekly average≤ 15 mg/LJun–Dec
Solids, total suspendedmonthly average≤ 1.1 kg/dJan–May
Solids, total suspendedmonthly average≤ .38 kg/dJun–Dec
Solids, total suspendedweekly average≤ 1.7 kg/dJan–May
Solids, total suspendedweekly average≤ .57 kg/dJun–Dec
Solids, total suspendedaveragereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 10 mg/LJun–Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 15 mg/LJun–Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ .38 kg/dJun–Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ .57 kg/dJun–Dec
Flow, in conduit or thru treatment plantmonthly average≤ .01 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ .04 mg/Lall year
Chlorine, total residualweekly average≤ .05 mg/Lall year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
E. coli30-day geometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJun–Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LJun–Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ .38 kg/dJun–Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ .57 kg/dJun–Dec
BOD, carbonaceous [5 day, 20 C]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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Your permit document is the final word. As JSON: /api/v1/permits/VA0089354 · MCP: https://passage-data.com/mcp