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Alleghany County

Sewage treatment plant, Low Moor, Virginia. NPDES permit VA0027979, in force until Nov 30, 2030. Last 12 months: no values over a limit, 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (15 values), form M2 monthly (3 values), form S1 twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 5 of 25 reports late

Limits in force (23)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 12 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 18 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 22.7 kg/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 34 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 57 kg/dall year
Solids, total suspendedmaximum weekly average≤ 85 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly totalreport only (lb/mo)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .5 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
E. coligeometric mean≤ 126 #/100mLall 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.

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/VA0027979 · MCP: https://passage-data.com/mcp