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City of Warrenton

Sewage treatment plant, Warrenton, Georgia. NPDES permit GA0050233 expired Aug 31, 2025; its limits still apply. Last 12 months: over a limit 9 times (last June 2026). 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
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], weekly average3.15 mg/L≤ 3 mg/L5%
March 2026Nitrogen, ammonia total [as N], monthly average< 3.51 mg/L≤ 2 mg/L75%
March 2026Nitrogen, ammonia total [as N], monthly average< 4.1 kg/d≤ 3.8 kg/d8%
March 2026Nitrogen, ammonia total [as N], weekly average13.5 mg/L≤ 3 mg/L350%
March 2026Nitrogen, ammonia total [as N], weekly average16.11 kg/d≤ 4.8 kg/d236%
June 2026Mercury, total recoverable, monthly average4.37 mg/d≤ 4 mg/d9%
June 2026Mercury, total recoverable, monthly average5.3 ng/L≤ 2.1 ng/L152%
June 2026Mercury, total recoverable, weekly average4.37 mg/d≤ 4 mg/d9%
June 2026Mercury, total recoverable, weekly average5.3 ng/L≤ 2.1 ng/L152%

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 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≤ 18.9 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 23.7 kg/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 (kg/d)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (kg/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≤ 38 kg/dall year
Solids, total suspendedweekly average≤ 48 kg/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 (kg/d)all year
Solids, total suspendedweekly averagereport only (kg/d)all 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≤ 3.8 kg/dall year
Nitrogen, ammonia total [as N]weekly average≤ 4.8 kg/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≤ 2 mg/Lall year
Phosphorus, total [as P]weekly average≤ 3 mg/Lall year
Phosphorus, total [as P]monthly average≤ 3.8 kg/dall year
Phosphorus, total [as P]weekly average≤ 4.8 kg/dall 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≤ .625 MGDall year
Chlorine, total residualdaily maximum≤ .01 mg/Lall year
Mercury, total recoverablemonthly average≤ 2.1 ng/Lall year
Mercury, total recoverableweekly average≤ 2.1 ng/Lall year
Mercury, total recoverablemonthly average≤ 4 mg/dall year
Mercury, total recoverableweekly average≤ 4 mg/dall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0050233 · MCP: https://passage-data.com/mcp