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Mount Jackson Town

Sewage treatment plant, Mount Jackson, Virginia. NPDES permit VA0026441, in force until Dec 31, 2026. 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 (20 values), form Q1 quarterly (1 value), form A1 yearly
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
February 2026BOD, carbonaceous [5 day, 20 C], monthly average15.1≤ 15 mg/L1%

Limits in force (27)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 79 kg/dall year
Solids, total suspendedweekly average≤ 120 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LJun–Dec
Nitrogen, ammonia total [as N]weekly average≤ 4.1 mg/LJun–Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 8 mg/Lall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 12 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 22 kg/dall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 32 kg/dall year
Flow, in conduit or thru treatment plantmonthly average≤ .7 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
E. colimonthly average≤ 107 #/100mLall 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≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 22 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 40 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 58 kg/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
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiamaximum≤ 9.09 tox chronicall year

How strict are these limits?

Cited limits by parameter: Virginia's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0026441 · MCP: https://passage-data.com/mcp