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City of Plains

Sewage treatment plant, Plains, Georgia. NPDES permit GA0020931 expired Jan 31, 2024; its limits still apply. Last 12 months: over a limit 10 times (last August 2026), 5 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form 1 monthly (36 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
5 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
January 2026Coliform, fecal general, monthly geometric mean504 #/100mL≤ 200 #/100mL152%
January 2026Coliform, fecal general, weekly geometric mean1000 #/100mL≤ 400 #/100mL150%
March 2026Oxygen, dissolved [DO], minimum3.14 mg/L≥ 5 mg/L37%
June 2026Coliform, fecal general, weekly geometric mean1000 #/100mL≤ 400 #/100mL150%
June 2026Nitrogen, ammonia total [as N], monthly average12.5 mg/L≤ 10 mg/L25%
June 2026Nitrogen, ammonia total [as N], weekly average21 mg/L≤ 15 mg/L40%
June 2026Nitrogen, ammonia total [as N], weekly average8.2 kg/d≤ 5.7 kg/d44%
July 2026Nitrogen, ammonia total [as N], weekly average22 mg/L≤ 15 mg/L47%
July 2026Solids, suspended percent removal, minimum77 %≥ 85 %53%
August 2026pH, maximum8.8 SU≤ 8.5 SU—

Limits in force (39)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 14 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 17.1 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≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 14 kg/dall year
Solids, total suspendedweekly average≤ 17.1 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, 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≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 4.5 kg/dall year
Nitrogen, ammonia total [as N]weekly average≤ 5.7 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 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≤ .12 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ .15 MGDall year
Chlorine, total residualdaily maximum≤ .02 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. coliweekly geometric mean≤ 410 #/100mLall 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0020931 · MCP: https://passage-data.com/mcp