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Sewage treatment plant, Washington, Virginia. NPDES permit VA0091651 expired Oct 31, 2026. Last 12 months: over a limit 17 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (21 values), form A1 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 13 reports late

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

All 17 values over a limit
Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, monthly average15≤ 12 mg/L25%
December 2025Solids, total suspended, weekly average58≤ 18 mg/L222%
January 2026E. coli, geometric mean> 196≤ 126 #/100mL—
January 2026Nitrogen, Kjeldahl, total [as N], monthly average5.4≤ 5 mg/L8%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average27≤ 12 mg/L125%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average66≤ 18 mg/L267%
February 2026E. coli, geometric mean> 131298≤ 126 #/100mL—
February 2026Nitrogen, Kjeldahl, total [as N], monthly average14≤ 5 mg/L180%
February 2026Nitrogen, Kjeldahl, total [as N], weekly average2.2≤ 1.7 kg/d29%
February 2026Nitrogen, Kjeldahl, total [as N], weekly average26≤ 7.5 mg/L247%
February 2026Solids, total suspended, monthly average5≤ 2.7 kg/d85%
February 2026Solids, total suspended, monthly average50≤ 12 mg/L317%
February 2026Solids, total suspended, weekly average11≤ 4.1 kg/d168%
February 2026Solids, total suspended, weekly average204≤ 18 mg/L1033%
March 2026Nitrogen, Kjeldahl, total [as N], monthly average5.7≤ 5 mg/L14%
March 2026Nitrogen, Kjeldahl, total [as N], weekly average22≤ 7.5 mg/L193%
March 2026Solids, total suspended, weekly average32≤ 18 mg/L78%

Limits in force (27)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 12 mg/Lall year
Solids, total suspendedweekly average≤ 18 mg/Lall year
Solids, total suspendedmonthly average≤ 2.7 kg/dall year
Solids, total suspendedweekly average≤ 4.1 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 7.5 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 1.1 kg/dall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 1.7 kg/dall year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .06 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year
E. coligeometric mean≤ 126 #/100mLall year
Nitrogen, Total As Nannual average≤ 5 mg/Lall year
Phosphorus, Total As Pannual average≤ .8 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 12 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 18 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.7 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 4.1 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

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/VA0091651 · MCP: https://passage-data.com/mcp