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Glasgow Town

Sewage treatment plant, Glasgow, Virginia. NPDES permit VA0083712, in force until Feb 28, 2030. Last 12 months: over a limit 6 times (last July 2026), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (15 values), form A1 yearly, form S1 twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 13 reports late

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

Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, instantaneous minimum.2≥ .6 mg/L67%
January 2026Chlorine, total residual, monthly average1.18≤ 1.1 mg/L7%
January 2026Chlorine, total residual, maximum weekly average1.21≤ 1.2 mg/L1%
March 2026Chlorine, total residual, monthly average1.16≤ 1.1 mg/L5%
May 2026Chlorine, total residual, monthly average1.11≤ 1.1 mg/L1%
July 2026Chlorine, total residual, monthly average1.12≤ 1.1 mg/L2%

Limits in force (20)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 56 kg/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 84 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 56 kg/dall year
Solids, total suspendedmaximum weekly average≤ 84 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .495 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ 1.1 mg/Lall year
Chlorine, total residualmaximum weekly average≤ 1.2 mg/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

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/VA0083712 · MCP: https://passage-data.com/mcp