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City of Blue Ridge

Sewage treatment plant, major discharger, Blue Ridge, Georgia. NPDES permit GA0037583 expired Nov 30, 2025; its limits still apply. Last 12 months: over a limit 4 times (last May 2026), 14 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form B1 monthly (38 values), outfall 002 form B2 monthly (7 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 12 of 18 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025001Nitrogen, ammonia total [as N], monthly average3.06 mg/L≤ 2.1 mg/L46%
October 2025001Nitrogen, ammonia total [as N], weekly average5.48 mg/L≤ 3.2 mg/L71%
October 2025002Temperature Increase Deg. F, maximum3 deg F≤ 0 deg F—
May 2026001Nitrogen, ammonia total [as N], weekly average6.7 mg/L≤ 4.8 mg/L40%

Limits in force (57)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 75.8 kg/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 94.8 kg/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (kg/d)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (kg/d)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 114 kg/dall year001
Solids, total suspendedweekly average≤ 142 kg/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 (kg/d)all year001
Solids, total suspendedweekly averagereport only (kg/d)all year001
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2.1 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 3.2 mg/LApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 4.2 mg/LJan–Mar001
Nitrogen, ammonia total [as N]weekly average≤ 3.2 mg/LOct–Dec001
Nitrogen, ammonia total [as N]weekly average≤ 2.7 mg/LJul–Sep001
Nitrogen, ammonia total [as N]weekly average≤ 4.8 mg/LApr–Jun001
Nitrogen, ammonia total [as N]weekly average≤ 6.3 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 8 kg/dOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 6.8 kg/dJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 12.1 kg/dApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 15.9 kg/dJan–Mar001
Nitrogen, ammonia total [as N]weekly average≤ 10 kg/dOct–Dec001
Nitrogen, ammonia total [as N]weekly average≤ 8.5 kg/dJul–Sep001
Nitrogen, ammonia total [as N]weekly average≤ 15.2 kg/dApr–Jun001
Nitrogen, ammonia total [as N]weekly average≤ 19.9 kg/dJan–Mar001
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
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 1 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ 1.25 MGDall year001
Chlorine, total residualdaily maximum≤ .017 mg/Lall year001
E. coli, colony forming units [CFU]monthly geometric mean≤ 126 #/100mLall year001
E. coli, colony forming units [CFU]weekly geometric mean≤ 252 #/100mLall year001
Solids, sludge, total, dry weightmonthly totalreport only (dry ton)all year001
BOD, 5-day, percent removalminimum≥ 85 %all year001
Solids, suspended percent removalminimum≥ 85 %all year001
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
Noel Statre 7Day Chronic Pimephalesminimumreport only (%)all year001
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)May–Oct002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May–Oct002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)May–Oct002
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)May–Oct002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May–Oct002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)May–Oct002
Temperature Increase Deg. Fmaximum≤ 0 deg FMay–Oct002

How strict are these limits?

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

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