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Gwinnett County Board of Commissioners

Sewage treatment plant, major discharger, Norcross, Georgia. NPDES permit GA0026433, in force until Dec 31, 2026. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form B2 monthly (37 values), outfall 001 form B3 monthly (6 values), outfall INT form B1 monthly (21 values)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 3 of 36 reports late

Limits in force (64)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitminimumreport only (deg F)all year001
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year001
Temperature, water deg. fahrenheitmaximumreport only (deg F)all year001
Temperature, water deg. fahrenheitminimumreport only (deg F)all year001
Temperature, water deg. fahrenheitaveragereport only (deg F)all year001
Temperature, water deg. fahrenheitmaximumreport only (deg F)all year001
Temperature, water deg. fahrenheitminimumreport only (deg F)all year001
Temperature, water deg. fahrenheitaveragereport only (deg F)all year001
Temperature, water deg. fahrenheitmaximumreport only (deg F)all year001
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 683 kg/dall year001
Solids, total suspendedweekly average≤ 853 kg/dall year001
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 97 kg/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 121.3 kg/dall year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]weekly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 51 kg/dall year001
Phosphorus, total [as P]weekly average≤ 63.8 kg/dall year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 36 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ 45 MGDall year001
Chlorine, total residualdaily maximum≤ .5 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. coliweekly geometric mean≤ 410 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 25 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 50 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 396 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 495 kg/dall year001
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all yearINT
Solids, total suspendedweekly averagereport only (mg/L)all yearINT
Solids, total suspendedmonthly averagereport only (kg/d)all yearINT
Solids, total suspendedweekly averagereport only (kg/d)all yearINT
Solids, total suspendedmonthly averagereport only (mg/L)all yearINT
Solids, total suspendedweekly averagereport only (mg/L)all yearINT
Solids, total suspendedmonthly averagereport only (kg/d)all yearINT
Solids, total suspendedweekly averagereport only (kg/d)all yearINT
Flow, in conduit or thru treatment plantmonthly average≤ 16 MGDall yearINT
Flow, in conduit or thru treatment plantweekly average≤ 20 MGDall yearINT
Solids, sludge, total, dry weightmonthly totalreport only (dry ton)all yearINT
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearINT
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all yearINT
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (kg/d)all yearINT
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (kg/d)all yearINT
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearINT
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all yearINT
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (kg/d)all yearINT
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (kg/d)all yearINT
BOD, carbonaceous, percent removalminimum≥ 85 %all yearINT
Solids, suspended percent removalminimum≥ 85 %all yearINT

How strict are these limits?

Cited limits by parameter: Georgia'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/GA0026433 · MCP: https://passage-data.com/mcp