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City of Hinesville

Sewage treatment plant, major discharger, Fort Stewart, Georgia. NPDES permit GA0047180 expired May 31, 2026; its limits still apply. Last 12 months: over a limit 5 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: form 01 monthly (58 values), form 02 monthly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], weekly average.75 mg/L≤ .71 mg/L6%
July 2026Nitrogen, ammonia total [as N], monthly average.52 mg/L≤ .47 mg/L11%
July 2026Nitrogen, ammonia total [as N], monthly average13 kg/d≤ 12.7 kg/d2%
July 2026Nitrogen, ammonia total [as N], weekly average1.27 mg/L≤ .71 mg/L79%
July 2026Nitrogen, ammonia total [as N], weekly average33.8 kg/d≤ 15.9 kg/d113%

Limits in force (59)

ParameterStatisticLimitMonths
Oxygen demand, ultimatemaximum≤ 1165 lb/dall year
Oxygen demand, ultimatemaximumreport only (lb/d)all year
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 8 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 271 kg/dall year
Solids, total suspendedweekly average≤ 339 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, organic total [as N]weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .47 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ .71 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 12.7 kg/dall year
Nitrogen, ammonia total [as N]weekly average≤ 15.9 kg/dall year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (kg/d)all year
Phosphorus, total [as P]weekly averagereport only (kg/d)all year
Lead, total recoverablemonthly averagereport only (ug/L)all year
Lead, total recoverableweekly averagereport only (ug/L)all year
Lead, total recoverablemonthly average≤ .04 kg/dall year
Lead, total recoverableweekly average≤ .05 kg/dall year
Copper, total recoverablemonthly average≤ 8 ug/Lall year
Copper, total recoverableweekly average≤ 10 ug/Lall year
Copper, total recoverablemonthly average≤ .219 kg/dall year
Copper, total recoverableweekly average≤ .271 kg/dall year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Phosphate, ortho [as P]weekly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 7.15 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 8.94 MGDall year
Chlorine, total residualdaily maximum≤ .011 mg/Lall year
Mercury, total recoverablemonthly averagereport only (ng/L)all year
Mercury, total recoverableweekly averagereport only (ng/L)all year
Mercury, total recoverablemonthly average≤ .0004 kg/dall year
Mercury, total recoverableweekly average≤ .0005 kg/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, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 7.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 136 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 170 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (kg/d)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (kg/d)all year
BOD, carbonaceous, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year
Noel Statre 7Day Chronic Pimephalesminimumreport only (%)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/GA0047180 · MCP: https://passage-data.com/mcp