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Decatur Utilities

Sewage treatment plant, major discharger, Decatur, Alabama. NPDES permit AL0048593, in force until Apr 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 2 monthly (42 values), outfall 001 form Q quarterly (160 values), outfall 001 form T monthly (2 values), outfall 007 form S yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 18 reports late

Limits in force (217)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 9007 lb/dall year001
Solids, total suspendedweekly average≤ 13510 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, ammonia total [as N]monthly average≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 30 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 6004 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 9007 lb/dall year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (lb/d)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]weekly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year001
Nitrite + Nitrate total [as N]weekly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]weekly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]weekly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 1 mg/Lall year001
E. colimonthly average≤ 126 #/100mLMay–Oct001
E. colimonthly average≤ 555 #/100mLJan, Feb, Mar, Apr, Nov, Dec001
E. colidaily maximum≤ 235 #/100mLMay–Oct001
E. colidaily maximum≤ 1035 #/100mLJan, Feb, Mar, Apr, Nov, Dec001
Perfluorooctanoic acid (PFOA)monthly averagereport only (mg/L)all year001
Perfluorooctanoic acid (PFOA)weekly averagereport only (mg/L)all year001
Perfluorooctanoic acid (PFOA)monthly averagereport only (lb/d)all year001
Perfluorooctanoic acid (PFOA)weekly averagereport only (lb/d)all year001
Perfluorobutanoic acid (PFBA)monthly averagereport only (mg/L)all year001
Perfluorobutanoic acid (PFBA)weekly averagereport only (mg/L)all year001
Perfluorobutanoic acid (PFBA)monthly averagereport only (lb/d)all year001
Perfluorobutanoic acid (PFBA)weekly averagereport only (lb/d)all year001
Perfluorooctanesulfonamide (PFOSA)monthly averagereport only (mg/L)all year001
Perfluorooctanesulfonamide (PFOSA)weekly averagereport only (mg/L)all year001
Perfluorooctanesulfonamide (PFOSA)monthly averagereport only (lb/d)all year001
Perfluorooctanesulfonamide (PFOSA)weekly averagereport only (lb/d)all year001
Perfluoropentanoic acid (PFPeA)monthly averagereport only (mg/L)all year001
Perfluoropentanoic acid (PFPeA)weekly averagereport only (mg/L)all year001
Perfluoropentanoic acid (PFPeA)monthly averagereport only (lb/d)all year001
Perfluoropentanoic acid (PFPeA)weekly averagereport only (lb/d)all year001
Perfluorohexanoic acid (PFHxA)monthly averagereport only (mg/L)all year001
Perfluorohexanoic acid (PFHxA)weekly averagereport only (mg/L)all year001
Perfluorohexanoic acid (PFHxA)monthly averagereport only (lb/d)all year001
Perfluorohexanoic acid (PFHxA)weekly averagereport only (lb/d)all year001
Perfluoroheptanoic acid (PFHpA)monthly averagereport only (mg/L)all year001
Perfluoroheptanoic acid (PFHpA)weekly averagereport only (mg/L)all year001
Perfluoroheptanoic acid (PFHpA)monthly averagereport only (lb/d)all year001
Perfluoroheptanoic acid (PFHpA)weekly averagereport only (lb/d)all year001
Perfluorononanoic acid (PFNA)monthly averagereport only (mg/L)all year001
Perfluorononanoic acid (PFNA)weekly averagereport only (mg/L)all year001
Perfluorononanoic acid (PFNA)monthly averagereport only (lb/d)all year001
Perfluorononanoic acid (PFNA)weekly averagereport only (lb/d)all year001
Perfluorodecanoic acid (PFDA)monthly averagereport only (mg/L)all year001
Perfluorodecanoic acid (PFDA)weekly averagereport only (mg/L)all year001
Perfluorodecanoic acid (PFDA)monthly averagereport only (lb/d)all year001
Perfluorodecanoic acid (PFDA)weekly averagereport only (lb/d)all year001
Perfluoroundecanoic acid (PFUnA)monthly averagereport only (mg/L)all year001
Perfluoroundecanoic acid (PFUnA)weekly averagereport only (mg/L)all year001
Perfluoroundecanoic acid (PFUnA)monthly averagereport only (lb/d)all year001
Perfluoroundecanoic acid (PFUnA)weekly averagereport only (lb/d)all year001
Perfluorododecanoic acid (PFDoA)monthly averagereport only (mg/L)all year001
Perfluorododecanoic acid (PFDoA)weekly averagereport only (mg/L)all year001
Perfluorododecanoic acid (PFDoA)monthly averagereport only (lb/d)all year001
Perfluorododecanoic acid (PFDoA)weekly averagereport only (lb/d)all year001
Perfluorotridecanoic acid (PFTrDA)monthly averagereport only (mg/L)all year001
Perfluorotridecanoic acid (PFTrDA)weekly averagereport only (mg/L)all year001
Perfluorotridecanoic acid (PFTrDA)monthly averagereport only (lb/d)all year001
Perfluorotridecanoic acid (PFTrDA)weekly averagereport only (lb/d)all year001
Perfluorotetradecanoic acid (PFTeDA)monthly averagereport only (mg/L)all year001
Perfluorotetradecanoic acid (PFTeDA)weekly averagereport only (mg/L)all year001
Perfluorotetradecanoic acid (PFTeDA)monthly averagereport only (lb/d)all year001
Perfluorotetradecanoic acid (PFTeDA)weekly averagereport only (lb/d)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)monthly averagereport only (mg/L)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)weekly averagereport only (mg/L)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)monthly averagereport only (lb/d)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)weekly averagereport only (lb/d)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)monthly averagereport only (mg/L)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)weekly averagereport only (mg/L)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)monthly averagereport only (lb/d)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)weekly averagereport only (lb/d)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)monthly averagereport only (mg/L)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)weekly averagereport only (mg/L)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)monthly averagereport only (lb/d)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)weekly averagereport only (lb/d)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)monthly averagereport only (mg/L)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)weekly averagereport only (mg/L)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)monthly averagereport only (lb/d)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)weekly averagereport only (lb/d)all year001
Perfluorobutanesulfonic acid (PFBS)monthly averagereport only (mg/L)all year001
Perfluorobutanesulfonic acid (PFBS)weekly averagereport only (mg/L)all year001
Perfluorobutanesulfonic acid (PFBS)monthly averagereport only (lb/d)all year001
Perfluorobutanesulfonic acid (PFBS)weekly averagereport only (lb/d)all year001
Perfluorodecanesulfonic acid (PFDS)monthly averagereport only (mg/L)all year001
Perfluorodecanesulfonic acid (PFDS)weekly averagereport only (mg/L)all year001
Perfluorodecanesulfonic acid (PFDS)monthly averagereport only (lb/d)all year001
Perfluorodecanesulfonic acid (PFDS)weekly averagereport only (lb/d)all year001
Perfluoroheptanesulfonic acid (PFHpS)monthly averagereport only (mg/L)all year001
Perfluoroheptanesulfonic acid (PFHpS)weekly averagereport only (mg/L)all year001
Perfluoroheptanesulfonic acid (PFHpS)monthly averagereport only (lb/d)all year001
Perfluoroheptanesulfonic acid (PFHpS)weekly averagereport only (lb/d)all year001
Perfluorohexanesulfonic acid (PFHxS)monthly averagereport only (mg/L)all year001
Perfluorohexanesulfonic acid (PFHxS)weekly averagereport only (mg/L)all year001
Perfluorohexanesulfonic acid (PFHxS)monthly averagereport only (lb/d)all year001
Perfluorohexanesulfonic acid (PFHxS)weekly averagereport only (lb/d)all year001
Perfluorooctanesulfonic acid (PFOS)monthly averagereport only (mg/L)all year001
Perfluorooctanesulfonic acid (PFOS)weekly averagereport only (mg/L)all year001
Perfluorooctanesulfonic acid (PFOS)monthly averagereport only (lb/d)all year001
Perfluorooctanesulfonic acid (PFOS)weekly averagereport only (lb/d)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)monthly averagereport only (mg/L)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)weekly averagereport only (mg/L)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)monthly averagereport only (lb/d)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)weekly averagereport only (lb/d)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)monthly averagereport only (mg/L)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)weekly averagereport only (mg/L)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)monthly averagereport only (lb/d)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)weekly averagereport only (lb/d)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)monthly averagereport only (mg/L)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)weekly averagereport only (mg/L)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)monthly averagereport only (lb/d)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)weekly averagereport only (lb/d)all year001
Perfluoropentanesulfonic acid (PFPeS)monthly averagereport only (mg/L)all year001
Perfluoropentanesulfonic acid (PFPeS)weekly averagereport only (mg/L)all year001
Perfluoropentanesulfonic acid (PFPeS)monthly averagereport only (lb/d)all year001
Perfluoropentanesulfonic acid (PFPeS)weekly averagereport only (lb/d)all year001
Perfluorononanesulfonic acid (PFNS)monthly averagereport only (mg/L)all year001
Perfluorononanesulfonic acid (PFNS)weekly averagereport only (mg/L)all year001
Perfluorononanesulfonic acid (PFNS)monthly averagereport only (lb/d)all year001
Perfluorononanesulfonic acid (PFNS)weekly averagereport only (lb/d)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)monthly averagereport only (mg/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)weekly averagereport only (mg/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)monthly averagereport only (lb/d)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)weekly averagereport only (lb/d)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)monthly averagereport only (mg/L)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)weekly averagereport only (mg/L)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)monthly averagereport only (lb/d)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)weekly averagereport only (lb/d)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)monthly averagereport only (mg/L)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)weekly averagereport only (mg/L)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)monthly averagereport only (lb/d)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)weekly averagereport only (lb/d)all year001
Perfluorododecanesulfonic acid (PFDoS)monthly averagereport only (mg/L)all year001
Perfluorododecanesulfonic acid (PFDoS)weekly averagereport only (mg/L)all year001
Perfluorododecanesulfonic acid (PFDoS)monthly averagereport only (lb/d)all year001
Perfluorododecanesulfonic acid (PFDoS)weekly averagereport only (lb/d)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)monthly averagereport only (mg/L)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)weekly averagereport only (mg/L)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)monthly averagereport only (lb/d)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)weekly averagereport only (lb/d)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)monthly averagereport only (mg/L)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)weekly averagereport only (mg/L)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)monthly averagereport only (lb/d)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)weekly averagereport only (lb/d)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)monthly averagereport only (mg/L)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)weekly averagereport only (mg/L)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)monthly averagereport only (lb/d)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)weekly averagereport only (lb/d)all year001
Toxicity [acute], Ceriodaphnia dubiasingle sample≤ 0 pass=0;fail=1Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]single sample≤ 0 pass=0;fail=1Sep001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 37.5 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7506 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 11259 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (lb/d)all year001
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
3-Perfluoropropyl propanoic acid (3:3 FTCA)monthly averagereport only (mg/L)all year001
3-Perfluoropropyl propanoic acid (3:3 FTCA)weekly averagereport only (mg/L)all year001
3-Perfluoropropyl propanoic acid (3:3 FTCA)monthly averagereport only (lb/d)all year001
3-Perfluoropropyl propanoic acid (3:3 FTCA)weekly averagereport only (lb/d)all year001
Perfluoro-3-methoxypropanoic acid (PFMPA)monthly averagereport only (mg/L)all year001
Perfluoro-3-methoxypropanoic acid (PFMPA)weekly averagereport only (mg/L)all year001
Perfluoro-3-methoxypropanoic acid (PFMPA)monthly averagereport only (lb/d)all year001
Perfluoro-3-methoxypropanoic acid (PFMPA)weekly averagereport only (lb/d)all year001
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)monthly averagereport only (mg/L)all year001
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)weekly averagereport only (mg/L)all year001
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)monthly averagereport only (lb/d)all year001
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)weekly averagereport only (lb/d)all year001
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)monthly averagereport only (mg/L)all year001
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)weekly averagereport only (mg/L)all year001
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)monthly averagereport only (lb/d)all year001
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)weekly averagereport only (lb/d)all year001
3-Perfluoroheptyl propanoic acid (7:3 FTCA)monthly averagereport only (mg/L)all year001
3-Perfluoroheptyl propanoic acid (7:3 FTCA)weekly averagereport only (mg/L)all year001
3-Perfluoroheptyl propanoic acid (7:3 FTCA)monthly averagereport only (lb/d)all year001
3-Perfluoroheptyl propanoic acid (7:3 FTCA)weekly averagereport only (lb/d)all year001
Perfluoro-4-methoxybutanoic acid (PFMBA)monthly averagereport only (mg/L)all year001
Perfluoro-4-methoxybutanoic acid (PFMBA)weekly averagereport only (mg/L)all year001
Perfluoro-4-methoxybutanoic acid (PFMBA)monthly averagereport only (lb/d)all year001
Perfluoro-4-methoxybutanoic acid (PFMBA)weekly averagereport only (lb/d)all year001
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)monthly averagereport only (mg/L)all year001
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)weekly averagereport only (mg/L)all year001
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)monthly averagereport only (lb/d)all year001
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)weekly averagereport only (lb/d)all year001
pHdaily minimumreport only (SU)all year007
pHdaily maximumreport only (SU)all year007
Solids, total suspendeddaily maximumreport only (mg/L)all year007
Oil & Greasedaily maximum≤ 15 mg/Lall year007
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year007
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year007
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year007
Phosphorus, total [as P]daily maximumreport only (mg/L)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
E. colidaily maximumreport only (#/100mL)all year007
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year007

How strict are these limits?

Cited limits by parameter: Alabama'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/AL0048593 · MCP: https://passage-data.com/mcp