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Sewage treatment plant, Botetourt, Virginia. NPDES permit VA0023141, in force until Oct 31, 2028. 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 (10 values), form A1 yearly, form S1 twice a year
Renewal application due
May 4, 2028 · 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 15 reports late

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 24 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 36 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 900 g/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 1400 g/dall year
BOD, 5-day, 20 deg. Cminimumreport 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 suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 1100 g/dall year
Solids, total suspendedweekly average≤ 1700 g/dall year
Solids, total suspendedminimumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 7 mg/Lall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 10 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .01 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≤ 8 ug/Lall year
Chlorine, total residualweekly average≤ 9.8 ug/Lall year
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall 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

New limits from Nov 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], monthly average1.77 mg/Lnew0.2 mg/L (7 values)0.113×
Nitrogen, ammonia total [as N], weekly average1.77 mg/Lnew0.2 mg/L (7 values)0.113×

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/VA0023141 · MCP: https://passage-data.com/mcp