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Dinwiddie County Water Authority

Sewage treatment plant, major discharger, Petersburg, Virginia. NPDES permit VA0092274, in force until Nov 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form A1 yearly
Last report on file
December 2025
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 1 report late

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average≤ 5 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 8 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 450 kg/dall year
Solids, total suspendedweekly average≤ 680 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .94 mg/Lall year
Nitrogen, ammonia total [as N]weekly maximum≤ 1.16 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 3 mg/Lall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 4.5 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 45 kg/dall year
Nitrogen, Kjeldahl, total [as N]weekly average≤ 68 kg/dall year
Flow, in conduit or thru treatment plantmonthly average≤ 4 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
E. coligeometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 14 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 140 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 210 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/VA0092274 · MCP: https://passage-data.com/mcp