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City of Flowery Branch

Sewage treatment plant, Flowery Branch, Georgia. NPDES permit GA0031933, in force until Jun 30, 2027. Last 12 months: over a limit 24 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: outfall 001 form 01 monthly (42 values), outfall 002 form 01 monthly (10 values)
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
32 values over a limit, 0 required values missing, 0 of 24 reports late

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

All 24 values over a limit
Period endingOutfallParameterReportedLimitOver by
February 2026001BOD, 5-day, 20 deg. C, weekly average43.56 lb/d≤ 20.9 lb/d108%
February 2026001BOD, 5-day, 20 deg. C, weekly average8.59 mg/L≤ 7.5 mg/L15%
February 2026001Phosphorus, total [as P], monthly average.28 mg/L≤ .13 mg/L115%
February 2026001Phosphorus, total [as P], monthly average.7 lb/d≤ .4 lb/d75%
February 2026001Phosphorus, total [as P], weekly average.46 mg/L≤ .2 mg/L130%
February 2026001Phosphorus, total [as P], weekly average1.23 lb/d≤ .5 lb/d146%
February 2026001Solids, total suspended, monthly average5.36 mg/L≤ 5 mg/L7%
February 2026001Solids, total suspended, weekly average13.8 mg/L≤ 7.5 mg/L84%
February 2026001Solids, total suspended, weekly average37.56 lb/d≤ 20.9 lb/d80%
February 2026002Solids, total suspended, monthly average5.2 mg/L≤ 5 mg/L4%
March 2026001BOD, 5-day, 20 deg. C, weekly average27.82 lb/d≤ 20.9 lb/d33%
March 2026001BOD, 5-day, 20 deg. C, weekly average7.65 mg/L≤ 7.5 mg/L2%
March 2026001Nitrogen, ammonia total [as N], weekly average14.26 lb/d≤ 8.3 lb/d72%
March 2026001Nitrogen, ammonia total [as N], weekly average7.04 mg/L≤ 3 mg/L135%
March 2026001Phosphorus, total [as P], monthly average.17 mg/L≤ .13 mg/L31%
March 2026001Phosphorus, total [as P], monthly average.43 lb/d≤ .4 lb/d8%
March 2026001Phosphorus, total [as P], weekly average.42 mg/L≤ .2 mg/L110%
March 2026001Phosphorus, total [as P], weekly average.84 lb/d≤ .5 lb/d68%
March 2026001Solids, total suspended, weekly average9.2 mg/L≤ 7.5 mg/L23%
September 2026001Coliform, fecal general, weekly geometric mean530 #/100mL≤ 400 #/100mL33%
September 2026001Phosphorus, total [as P], monthly average.64 mg/L≤ .13 mg/L392%
September 2026001Phosphorus, total [as P], monthly average1.35 lb/d≤ .4 lb/d238%
September 2026001Phosphorus, total [as P], weekly average1.31 mg/L≤ .2 mg/L555%
September 2026001Phosphorus, total [as P], weekly average2.58 lb/d≤ .5 lb/d416%

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 7.5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 16.7 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 20.9 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 5 mg/Lall year001
Solids, total suspendedweekly average≤ 7.5 mg/Lall year001
Solids, total suspendedmonthly average≤ 16.7 lb/dall year001
Solids, total suspendedweekly average≤ 20.9 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendedweekly averagereport only (lb/d)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≤ 2 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 6.7 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 8.3 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 average≤ .13 mg/Lall year001
Phosphorus, total [as P]weekly average≤ .2 mg/Lall year001
Phosphorus, total [as P]monthly average≤ .4 lb/dall year001
Phosphorus, total [as P]weekly average≤ .5 lb/dall year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ .4 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ .5 MGDall year001
Chlorine, total residualdaily maximum≤ .16 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. coliweekly geometric mean≤ 410 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/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
Turbidityinstantaneous maximum≤ 3 NTUall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 5 mg/Lall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly average≤ .51 MGDall year002
Flow, in conduit or thru treatment plantweekly average≤ .64 MGDall year002
Coliform, fecal generalmonthly geometric mean≤ 23 #/100mLall year002

How strict are these limits?

Cited limits by parameter: Georgia's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/GA0031933 · MCP: https://passage-data.com/mcp