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Blackstone Town

Sewage treatment plant, major discharger, Fort Pickett, Virginia. NPDES permit VA0025194, in force until Aug 31, 2030. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (2 values), form P monthly (22 values), form Q1 quarterly, form S quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 2 of 30 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], weekly average3.1≤ 2.5 mg/L24%

Limits in force (40)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 14 mg/Lall year
Solids, total suspendedweekly average≤ 22 mg/Lall year
Solids, total suspendedmonthly average≤ 120 kg/dall year
Solids, total suspendedweekly average≤ 180 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .69 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]weekly average≤ .87 mg/LMay–Nov
Nitrogen, ammonia total [as N]weekly average≤ 2.5 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 2.8 mg/LMay–Nov
Nitrogen, Kjeldahl, total [as N]weekly average≤ 22 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 4.2 mg/LMay–Nov
Nitrogen, Kjeldahl, total [as N]monthly average≤ 120 kg/dJan, Feb, Mar, Apr, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 23 kg/dMay–Nov
Nitrogen, Kjeldahl, total [as N]weekly average≤ 180 kg/dJan, Feb, Mar, Apr, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 35 kg/dMay–Nov
Hardness, total [as CaCO3]minimum≥ 100 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ 2.2 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≤ 7 ug/Lall year
Chlorine, total residualweekly average≤ 7.4 ug/Lall year
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall year
E. coligeometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 11 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 23 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 17 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 130 kg/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 95 kg/dMay–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 190 kg/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 140 kg/dMay–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 dubiamaximum≤ 1.06 tox chronicall year
TU Static Renewal 7-Day Chronic Pimphales promelasmaximum≤ 1.05 tox chronicall 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/VA0025194 · MCP: https://passage-data.com/mcp