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City of Sparks

Sewage treatment plant, Sparks, Georgia. NPDES permit GA0021563, in force until Apr 30, 2029. Last 12 months: over a limit 6 times (last August 2026), 6 required values missing, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form B1 monthly (37 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
June 2026Flow, in conduit or thru treatment plant, monthly average.52 MGD≤ .5 MGD4%
June 2026Flow, in conduit or thru treatment plant, weekly average.696 MGD≤ .63 MGD10%
August 2026Nitrogen, ammonia total [as N], monthly average2.33 mg/L≤ .32 mg/L628%
August 2026Nitrogen, ammonia total [as N], monthly average5.75 lb/d≤ 1.3 lb/d342%
August 2026Nitrogen, ammonia total [as N], weekly average15.35 lb/d≤ 1.7 lb/d803%
August 2026Nitrogen, ammonia total [as N], weekly average6.18 mg/L≤ .48 mg/L1188%

Limits in force (37)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 4 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 16.7 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 20.9 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≤ 10 mg/Lall year
Solids, total suspendedweekly average≤ 15 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 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≤ .32 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ .48 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.3 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 1.7 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 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≤ .5 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ .63 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

New limits from May 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, total [as N], monthly average20 mg/Lnew9.2 mg/L (11 values)0.46×
Nitrogen, total [as N], monthly average83 lb/dnew——
Nitrogen, total [as N], weekly average104 lb/dnew——
Nitrogen, total [as N], weekly average30 mg/Lnew——
Phosphorus, total [as P], monthly average2 mg/Lnew1.7 mg/L (11 values)0.85×
Phosphorus, total [as P], monthly average8.3 lb/dnew——
Phosphorus, total [as P], weekly average3 mg/Lnew——
Phosphorus, total [as P], weekly average10.4 lb/dnew——

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

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