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Lumpkin County Water and Sewerage Authority

Sewerage Systems, Dahlonega, Georgia. NPDES permit GA0050339, in force until Mar 31, 2029. Last 12 months: over a limit 10 times (last September 2026), 1 of 3 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form B1 monthly (43 values)
Last report on file
September 2026

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

Period endingParameterReportedLimitOver by
July 2026Nitrogen, total [as N], monthly average17.9 mg/L≤ 12 mg/L49%
July 2026Nitrogen, total [as N], weekly average47.3 mg/L≤ 18 mg/L163%
July 2026Phosphorus, total [as P], monthly average.3 mg/L≤ .13 mg/L131%
July 2026Phosphorus, total [as P], weekly average.38 mg/L≤ .2 mg/L90%
August 2026Nitrogen, total [as N], monthly average24.4 mg/L≤ 12 mg/L103%
August 2026Nitrogen, total [as N], weekly average60.9 mg/L≤ 18 mg/L238%
August 2026Phosphorus, total [as P], monthly average.43 mg/L≤ .13 mg/L231%
August 2026Phosphorus, total [as P], weekly average.62 mg/L≤ .2 mg/L210%
September 2026Phosphorus, total [as P], monthly average.3 mg/L≤ .13 mg/L131%
September 2026Phosphorus, total [as P], weekly average.67 mg/L≤ .2 mg/L235%

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 20.9 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 26.1 lb/dall year
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≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 41.7 lb/dall year
Solids, total suspendedweekly average≤ 52.1 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 average≤ 12 mg/Lall year
Nitrogen, total [as N]weekly average≤ 18 mg/Lall year
Nitrogen, total [as N]monthly average≤ 25 lb/dall year
Nitrogen, total [as N]weekly average≤ 31.3 lb/dall year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 4.2 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 5.2 lb/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≤ .27 lb/dall year
Phosphorus, total [as P]weekly average≤ .34 lb/dall year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .25 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ .31 MGDall year
Chlorine, total residualmaximum≤ .02 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

How strict are these limits?

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

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