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Fulton County Department of Public Works

Sewage treatment plant, major discharger, Alpharetta, Georgia. NPDES permit GA0038831, in force until Dec 31, 2029. Last 12 months: over a limit once (last October 2025), 3 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form 1 monthly (47 values), outfall 002 form 1 monthly (11 values), outfall SWM form 1 monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
October 2025E. coli, maximum1120 #/100mL≤ 75 #/100mL1393%

Limits in force (64)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitminimumreport only (deg F)all year001
Temperature, water deg. fahrenheitmonthly averagereport 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 average≤ 5 mg/Lall year001
Solids, total suspendedweekly average≤ 7.5 mg/Lall year001
Solids, total suspendedmonthly average≤ 625.5 lb/dall year001
Solids, total suspendedweekly average≤ 781.9 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendedweekly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ .5 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ .75 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 62.6 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 78.2 lb/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 average≤ .3 mg/Lall year001
Phosphorus, total [as P]weekly average≤ .45 mg/Lall year001
Phosphorus, total [as P]monthly average≤ 37.5 lb/dall year001
Phosphorus, total [as P]weekly average≤ 46.9 lb/dall year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 15 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ 18.75 MGDall year001
Chlorine, total residualdaily maximum≤ .3 mg/Lall year001
E. colimonthly geometric mean≤ 20 #/100mLall year001
E. coliweekly geometric mean≤ 40 #/100mLall year001
Solids, sludge, total, dry weightmonthly totalreport only (dry ton)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.9 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 4.4 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 362.8 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 453.5 lb/dall 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 averagereport only (lb/d)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (lb/d)all year001
BOD, carbonaceous, percent removalminimum≥ 85 %all year001
Solids, suspended percent removalminimum≥ 85 %all 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
Turbiditymaximum≤ 3 NTUall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 5 mg/Lall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly average≤ 15 MGDall year002
Flow, in conduit or thru treatment plantweekly average≤ 18.75 MGDall year002
E. colimonthly geometric mean≤ 20 #/100mLall year002
E. colimaximum≤ 75 #/100mLall year002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year002
Temperature, water deg. fahrenheitminimumreport only (deg F)all yearSWM
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all yearSWM
Temperature, water deg. fahrenheitmaximumreport only (deg F)all yearSWM
Temperature, water deg. fahrenheitminimumreport only (deg F)all yearSWM
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all yearSWM
Temperature, water deg. fahrenheitmaximumreport only (deg F)all yearSWM

How strict are these limits?

Cited limits by parameter: Georgia's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/GA0038831 · MCP: https://passage-data.com/mcp