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Gainesville, City of

Sewage treatment plant, major discharger, Gainesville, Georgia. NPDES permit GA0021156 expired Nov 30, 2022; its limits still apply. Last 12 months: over a limit 9 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: form B1 monthly (46 values), form B2 monthly (16 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
21 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
December 2025Turbidity, monthly average1.57 NTU≤ 1 NTU—
January 2026Turbidity, monthly average1.17 NTU≤ 1 NTU—
February 2026BOD, carbonaceous [5 day, 20 C], monthly average2.57 mg/L≤ 2.5 mg/L3%
February 2026Turbidity, monthly average1.5 NTU≤ 1 NTU—
May 2026Solids, total suspended, weekly average21 mg/L≤ 11 mg/L91%
May 2026Solids, total suspended, weekly average806 kg/d≤ 398 kg/d103%
July 2026Phosphorus, total [as P], monthly average.15 mg/L≤ .13 mg/L15%
July 2026Phosphorus, total [as P], weekly average.45 mg/L≤ .2 mg/L125%
July 2026Phosphorus, total [as P], weekly average17 kg/d≤ 7.4 kg/d130%

Limits in force (63)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily minimumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year
Turbiditymonthly average≤ 1 NTUall year
Conductivitymonthly minimumreport only (uS/cm)all year
Conductivitymonthly averagereport only (uS/cm)all year
Conductivitymonthly maximumreport only (uS/cm)all year
Conductivitymonthly minimumreport only (uS/cm)all year
Conductivitymonthly averagereport only (uS/cm)all year
Conductivitymonthly maximumreport only (uS/cm)all year
Oxygen, dissolved [DO]minimum≥ 7 mg/Lall year
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
pHmonthly minimumreport only (SU)all year
pHmonthly minimumreport only (SU)all year
Solids, total suspendedmonthly average≤ 7 mg/Lall year
Solids, total suspendedweekly average≤ 11 mg/Lall year
Solids, total suspendedmonthly average≤ 318 kg/dall year
Solids, total suspendedweekly average≤ 398 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (kg/d)all year
Solids, total suspendedweekly averagereport only (kg/d)all year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .5 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ .75 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 23 kg/dall year
Nitrogen, ammonia total [as N]weekly average≤ 28 kg/dall year
Nitrogen, Kjeldahl, 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 average≤ .13 mg/Lall year
Phosphorus, total [as P]weekly average≤ .2 mg/Lall year
Phosphorus, total [as P]monthly average≤ 6 kg/dall year
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year
Phosphorus, total [as P]weekly average≤ 7.4 kg/dall year
Phosphorus, total [as P]total≤ 2922 lb/yrMar
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 12 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 15 MGDall year
Coliform, fecal generalmonthly geometric mean≤ 23 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 46 #/100mLall year
Solids, sludge, total, dry weightmonthly totalreport only (dry ton)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 3.75 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 114 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 142 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (kg/d)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (kg/d)all year
BOD, carbonaceous, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year
Noel Statre 7Day Chronic Pimephalesminimumreport only (%)all year

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/GA0021156 · MCP: https://passage-data.com/mcp