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City of Monroe

Sewage treatment plant, major discharger, Monroe, Georgia. NPDES permit GA0047171, in force until Dec 31, 2030. Last 12 months: over a limit 2 times (last February 2026), 2 required values missing, 1 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form B1 monthly (37 values), outfall 002 form B4 monthly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 18 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], monthly average2.27 mg/L≤ 1.9 mg/L19%
February 2026Nitrogen, ammonia total [as N], weekly average80.54 lb/d≤ 67.3 lb/d20%

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 567 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 709 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Solids, total suspendedweekly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 567 lb/dall year001
Solids, total suspendedweekly average≤ 709 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)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≤ 1.9 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 2.9 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 53.9 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 67.3 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
Cyanide, total [as CN]monthly averagereport only (ug/L)all year001
Zinc, total recoverablemonthly averagereport only (ug/L)all year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 3.4 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ 4.3 MGDall year001
Chlorine, total residualmaximum≤ .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 (dry ton)all year001
BOD, 5-day, percent removalminimum≥ 85 %all year001
Solids, suspended percent removalminimum≥ 85 %all year001
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002

New limits from Jan 1, 2030

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Phosphorus, total [as P], monthly average0.25 mg/Lnew1.12 mg/L (12 values)4.48×
Phosphorus, total [as P], monthly average7.1 lb/dnew——
Phosphorus, total [as P], weekly average0.38 mg/Lnew——
Phosphorus, total [as P], weekly average8.9 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

Your permit document is the final word. As JSON: /api/v1/permits/GA0047171 · MCP: https://passage-data.com/mcp