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Richmond City

Sewage treatment plant, major discharger, Richmond, Virginia. NPDES permit VA0063177, in force until Aug 31, 2030. Last 12 months: over a limit 7 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 001 form N monthly (7 values), outfall 101 form M1 monthly (18 values), outfall 102 form M1 monthly (19 values), outfall 101 form A1 yearly, outfall 101 form Q1 quarterly, outfall 901 form Q1 quarterly, and 2 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 4 required values missing, 0 of 46 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average1683≤ 1361 kg/d24%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average8.06≤ 5 mg/L61%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average9.14≤ 7 mg/L31%
February 2026Solids, total suspended, weekly average15.4≤ 13 mg/L18%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average1416≤ 1361 kg/d4%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average1531≤ 1361 kg/d12%
July 2026BOD, carbonaceous [5 day, 20 C], weekly average2427≤ 2042 kg/d19%

Limits in force (84)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 5.6 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD) (alert, not enforceable)all year001
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year001
E. coligeometric mean≤ 126 #/100mLall year001
E. colimaximumreport only (#/100mL)all year001
Oxygen, dissolved [DO]minimum≥ 5.6 mg/Lall year101
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101
Solids, total suspendedmonthly average≤ 5 mg/LJun–Oct101
Solids, total suspendedmonthly average≤ 9 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
Solids, total suspendedweekly average≤ 7 mg/LJun–Oct101
Solids, total suspendedweekly average≤ 13 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
Solids, total suspendedmonthly average≤ 1361 kg/dJun–Oct101
Solids, total suspendedmonthly average≤ 2434 kg/dJan, Feb, Mar, Apr, May, Nov, Dec101
Solids, total suspendedweekly average≤ 2042 kg/dJun–Oct101
Solids, total suspendedweekly average≤ 3651 kg/dJan, Feb, Mar, Apr, May, Nov, Dec101
Nitrogen, total [as N]monthly average≤ 8 mg/Lall year101
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LJun–Oct101
Nitrogen, ammonia total [as N]monthly average≤ 14.9 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
Nitrogen, ammonia total [as N]weekly average≤ 6.2 mg/LJun–Oct101
Nitrogen, ammonia total [as N]weekly average≤ 22.3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
Nitrogen, ammonia total [as N]monthly average≤ 1090 kg/dJun–Oct101
Nitrogen, ammonia total [as N]monthly average≤ 2588 kg/dJan, Feb, Mar, Apr, May, Nov, Dec101
Phosphorus, total [as P]monthly average≤ .5 mg/Lall year101
Hardness, total [as CaCO3]maximumreport only (mg/L)all year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD) (alert, not enforceable)all year101
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year101
E. coligeometric mean≤ 126 #/100mLall year101
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/LJun–Oct101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 11 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8.9 mg/LJun–Oct101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 13 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 7 mg/LJun–Oct101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 14 mg/LJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 11 mg/LJun–Oct101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2434 kg/dJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1361 kg/dJun–Oct101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2434 kg/dJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1361 kg/dJun–Oct101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 3651 kg/dJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2042 kg/dJun–Oct101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 3651 kg/dJan, Feb, Mar, Apr, May, Nov, Dec101
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2042 kg/dJun–Oct101
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year101
Solids, suspended percent removalmonthly average minimum≥ 85 %all year101
pHminimumreport only (SU)all year102
pHmaximumreport only (SU)all year102
Solids, total suspendedmonthly averagereport only (mg/L)all year102
Solids, total suspendedweekly averagereport only (mg/L)all year102
Solids, total suspendedmonthly averagereport only (kg/d)all year102
Solids, total suspendedweekly averagereport only (kg/d)all year102
Nitrogen, total [as N]monthly averagereport only (mg/L)all year102
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year102
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year102
Nitrogen, ammonia total [as N]monthly averagereport only (kg/d)all year102
Phosphorus, total [as P]monthly averagereport only (mg/L)all year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD) (alert, not enforceable)all year102
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year102
E. coligeometric meanreport only (#/100mL)all year102
E. colimaximumreport only (#/100mL)all year102
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year102
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year102
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (kg/d)all year102
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (kg/d)all year102
pHminimumreport only (SU)all year901
pHmaximumreport only (SU)all year901
Solids, total suspendedmaximumreport only (mg/L)all year901
E. colimaximumreport only (#/100mL)all year901
Precipitation volumemaximumreport only (Mgal)all year901
pHminimumreport only (SU)all year902
pHmaximumreport only (SU)all year902
Solids, total suspendedmaximumreport only (mg/L)all year902
E. colimaximumreport only (#/100mL)all year902
Precipitation volumemaximumreport only (Mgal)all year902
pHminimumreport only (SU)all year903
pHmaximumreport only (SU)all year903
Solids, total suspendedmaximumreport only (mg/L)all year903
E. colimaximumreport only (#/100mL)all year903
Precipitation volumemaximumreport only (Mgal)all year903

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/VA0063177 · MCP: https://passage-data.com/mcp