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City of Wrightsville

Sewage treatment plant, Wrightsville, Georgia. NPDES permit GA0032395, in force until Oct 31, 2029. Last 12 months: over a limit 11 times (last August 2026), 1 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form 1 monthly (37 values), outfall 002 form 1 monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
42 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
October 2025pH, maximum8.8 SU≤ 8.5 SU—
December 2025E. coli, weekly geometric mean770.1 #/100mL≤ 410 #/100mL88%
January 2026E. coli, monthly geometric mean245.6 #/100mL≤ 126 #/100mL95%
January 2026E. coli, weekly geometric mean816.4 #/100mL≤ 410 #/100mL99%
March 2026E. coli, weekly geometric mean2419.6 #/100mL≤ 410 #/100mL490%
March 2026Flow, in conduit or thru treatment plant, weekly average1.124 MGD≤ .932 MGD21%
May 2026E. coli, monthly geometric mean153.29 #/100mL≤ 126 #/100mL22%
May 2026pH, minimum5.39 SU≥ 6 SU—
June 2026E. coli, weekly geometric mean617.2 #/100mL≤ 410 #/100mL51%
July 2026Solids, suspended percent removal, minimum83 %≥ 85 %13%
August 2026Solids, suspended percent removal, minimum77 %≥ 85 %53%

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 186 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 233 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly geometric meanreport 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 (lb/d)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 90 mg/Lall year001
Solids, total suspendedweekly average≤ 120 mg/Lall year001
Solids, total suspendedmonthly average≤ 559 lb/dall year001
Solids, total suspendedweekly average≤ 699 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≤ 17.4 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 26.1 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 108 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 135 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 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≤ .745 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ .932 MGDall year001
Chlorine, total residualmonthly average≤ .01 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. coliweekly geometric mean≤ 410 #/100mLall year001
Solids, sludge, total, dry weightmonthly totalreport only (lb)all year001
BOD, 5-day, percent removalminimum≥ 85 %all year001
Solids, suspended percent removalminimum≥ 85 %all year001
Temperature, water deg. fahrenheitmonthly minimumreport 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 maximumreport only (deg F)May–Oct002
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)May–Oct002
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)May–Oct002

New limits from May 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
BOD, 5-day, 20 deg. C, monthly average31 lb/dtighter48.08 lb/d (12 values)1.55×
BOD, 5-day, 20 deg. C, monthly average5 mg/Ltighter14.68 mg/L (12 values)2.94×
BOD, 5-day, 20 deg. C, weekly average39 lb/dtighter58.55 lb/d (12 values)1.5×
BOD, 5-day, 20 deg. C, weekly average7.5 mg/Ltighter18.75 mg/L (12 values)2.5×
Nitrogen, ammonia total [as N], monthly average6.2 lb/dtighter35.92 lb/d (12 values)5.79×
Nitrogen, ammonia total [as N], monthly average1 mg/Ltighter11.09 mg/L (12 values)11.1×
Nitrogen, ammonia total [as N], weekly average7.8 lb/dtighter47.26 lb/d (12 values)6.06×
Nitrogen, ammonia total [as N], weekly average1.5 mg/Ltighter13.45 mg/L (12 values)8.97×
Phosphorus, total [as P], monthly average1.3 mg/Lnew3.425 mg/L (12 values)2.63×
Solids, total suspended, monthly average10 mg/Ltighter11.96 mg/L (12 values)1.2×
Phosphorus, total [as P], monthly average8.1 lb/dnew——
Phosphorus, total [as P], weekly average2 mg/Lnew——
Phosphorus, total [as P], weekly average10.1 lb/dnew——
Solids, total suspended, monthly average62 lb/dtighter38.95 lb/d (12 values)0.628×
Solids, total suspended, weekly average15 mg/Ltighter14.32 mg/L (12 values)0.955×
Solids, total suspended, weekly average78 lb/dtighter56.42 lb/d (12 values)0.723×

How strict are these limits?

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

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