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City of Griffin

Sewage treatment plant, major discharger, Griffin, Georgia. NPDES permit GA0020214, in force until Aug 31, 2030. Last 12 months: no values over a limit, 1 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: form B1 monthly (44 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (60)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 13 mg/LMay–Oct
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 19.5 mg/LMay–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 187.7 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 162.6 lb/dMay–Oct
BOD, 5-day, 20 deg. Cweekly average≤ 234.6 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 203.3 lb/dMay–Oct
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 8 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 250.2 lb/dall year
Solids, total suspendedweekly average≤ 312.8 lb/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 (lb/d)all year
Solids, total suspendedweekly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .87 mg/LAug–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.12 mg/LMay–Jul
Nitrogen, ammonia total [as N]monthly average≤ 2.11 mg/LFeb–Apr
Nitrogen, ammonia total [as N]monthly average≤ 2.15 mg/LJan, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1.3 mg/LAug–Oct
Nitrogen, ammonia total [as N]weekly average≤ 3.2 mg/LMay–Jul
Nitrogen, ammonia total [as N]weekly average≤ 3.17 mg/LFeb–Apr
Nitrogen, ammonia total [as N]weekly average≤ 3.23 mg/LJan, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 10.9 lb/dAug–Oct
Nitrogen, ammonia total [as N]monthly average≤ 14 lb/dMay–Jul
Nitrogen, ammonia total [as N]monthly average≤ 26.4 lb/dFeb–Apr
Nitrogen, ammonia total [as N]monthly average≤ 26.9 lb/dJan, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 13.6 lb/dAug–Oct
Nitrogen, ammonia total [as N]weekly average≤ 17.5 lb/dMay–Jul
Nitrogen, ammonia total [as N]weekly average≤ 33 lb/dFeb–Apr
Nitrogen, ammonia total [as N]weekly average≤ 33.6 lb/dJan, Nov, Dec
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≤ 1 mg/Lall year
Phosphorus, total [as P]weekly average≤ 1.5 mg/Lall year
Phosphorus, total [as P]monthly average≤ 12.5 lb/dall year
Phosphorus, total [as P]weekly average≤ 15.6 lb/dall year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 1.5 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 1.88 MGDall year
Chlorine, total residualmaximum≤ .01 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. coliweekly geometric mean≤ 410 #/100mLall year
Solids, sludge, total, dry weightmonthly totalreport only (dry ton)all year
BOD, 5-day, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport 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/GA0020214 · MCP: https://passage-data.com/mcp