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Aqua Virginia, Inc.

Sewerage Systems, Ruther Glen, Virginia. NPDES permit VA0060887, in force until Dec 31, 2030. Last 12 months: over a limit 7 times (last March 2026), 34 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (31 values), form A1 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 3 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
January 2026Nitrogen, Total As N, annual average9.02≤ 8 mg/L13%
January 2026Solids, total suspended, weekly average18.8≤ 15 mg/L25%
February 2026Solids, total suspended, monthly average15≤ 10 mg/L50%
February 2026Solids, total suspended, weekly average24.1≤ 15 mg/L61%
March 2026Nitrogen, Kjeldahl, total [as N], monthly average3.35≤ 3 mg/L12%
March 2026Nitrogen, Kjeldahl, total [as N], weekly average5.3≤ 4.5 mg/L18%
March 2026Nitrogen, Total As N, annual average10.11≤ 8 mg/L26%

Limits in force (77)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LJan, Feb, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LJan, Feb, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 8.3 kg/dJan, Feb, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 12 kg/dJan, Feb, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHminimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 8.3 kg/dall year
Solids, total suspendedmonthly average≤ 8.3 kg/dall year
Solids, total suspendedweekly average≤ 12 kg/dall year
Solids, total suspendedweekly average≤ 12 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 averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.9 mg/LJan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 3 mg/LMar–Oct
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 3 mg/LMar–Oct
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (mg/L)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 4.5 mg/LMar–Oct
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (mg/L)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 4.5 mg/LMar–Oct
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 5.5 lb/dMar–Oct
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 5.5 lb/dMar–Oct
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (lb/d)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 8.3 lb/dMar–Oct
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (lb/d)Jan, Feb, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 8.3 lb/dMar–Oct
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ .22 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly average≤ .22 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ .007 mg/Lall year
Chlorine, total residualweekly maximum≤ .008 mg/Lall year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
E. coligeometric mean≤ 126 #/100mLall year
Nitrogen, Total As Nannual average≤ 8 mg/Lall year
Nitrogen, Total As Nannual average≤ 8 mg/Lall year
Nitrogen, Total As Nannual average≤ 8 mg/Lall year
Phosphorus, Total As Pannual average≤ 1 mg/Lall year
Phosphorus, Total As Pannual average≤ 1 mg/Lall year
Phosphorus, Total As Pannual average≤ 1 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar–Oct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMar–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8.3 kg/dMar–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 12 kg/dMar–Oct
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
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %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
Solids, suspended 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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