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Culpeper Town

Sewage treatment plant, major discharger, Culpeper, Virginia. NPDES permit VA0061590 expired Oct 31, 2026. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (16 values), form Q1 quarterly (1 value), form A1 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

Limits in force (38)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 12 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 18 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 270 kg/dJan, Feb, Mar, Apr, May, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 410 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≤ 8 mg/LJun–Nov
Solids, total suspendedmonthly average≤ 12 mg/LJan, Feb, Mar, Apr, May, Dec
Solids, total suspendedweekly average≤ 12 mg/LJun–Nov
Solids, total suspendedweekly average≤ 18 mg/LJan, Feb, Mar, Apr, May, Dec
Solids, total suspendedmonthly average≤ 180 kg/dJun–Nov
Solids, total suspendedmonthly average≤ 270 kg/dJan, Feb, Mar, Apr, May, Dec
Solids, total suspendedweekly average≤ 270 kg/dJun–Nov
Solids, total suspendedweekly average≤ 410 kg/dJan, Feb, Mar, Apr, May, Dec
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≤ 3.7 mg/LJan, Feb, Mar, Apr, May, Dec
Nitrogen, ammonia total [as N]weekly average≤ 4.5 mg/LJan, Feb, Mar, Apr, May, Dec
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Dec
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 6 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
Nitrogen, Total As Nannual average≤ 4 mg/Lall year
Phosphorus, Total As Pannual average≤ .3 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LJun–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 12 mg/LJun–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 180 kg/dJun–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 270 kg/dJun–Nov
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
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiamaximumreport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Pimphales promelasmaximumreport only (tox chronic)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/VA0061590 · MCP: https://passage-data.com/mcp