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Flora, City of

Sewage treatment plant, major discharger, Flora, Illinois. NPDES permit IL0020273, in force until May 31, 2031. Last 12 months: over a limit once (last October 2025), 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (23 values), outfall 001 form P quarterly (41 values), outfall 001 form S twice a year (40 values), outfall INF form L monthly (5 values), outfall INF form P quarterly (41 values), outfall BIO form P twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
6 values over a limit, 2 required values missing, 2 of 38 reports late

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

Period endingParameterReportedLimitOver by
October 2025Zinc, total [as Zn], monthly average.068 mg/L≤ .0309 mg/L120%

Limits in force (213)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly average minimum≥ 5.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 6 mg/LMar–Jul001
Oxygen, dissolved [DO]minimum weekly average≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 3.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendeddaily maximum≤ 24 mg/Lall year001
Solids, total suspendedmonthly average≤ 180 lb/dall year001
Solids, total suspendeddaily maximum≤ 360 lb/dall year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 13.5 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 10.5 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 6.2 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6.2 mg/LJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 38 lb/dMar001
Nitrogen, ammonia total [as N]monthly average≤ 60 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 29 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 29 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 203 lb/dMar001
Nitrogen, ammonia total [as N]daily maximum≤ 158 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 93 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 93 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 5.5 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 6.1 mg/LMar001
Nitrogen, ammonia total [as N]weekly average≤ 83 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 92 lb/dMar001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Cyanide, free [amenable to chlorination]daily maximumreport only (ug/L)all year001
Cyanide, free [amenable to chlorination]daily maximumreport only (ug/L)all year001
Fluoride, total [as F]daily maximumreport only (mg/L)all year001
Fluoride, total [as F]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Barium, total [as Ba]daily maximumreport only (mg/L)all year001
Barium, total [as Ba]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year001
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Manganese, total [as Mn]daily maximumreport only (mg/L)all year001
Manganese, total [as Mn]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Silver, total [as Ag]daily maximumreport only (mg/L)all year001
Silver, total [as Ag]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Phenolics, total recoverabledaily maximumreport only (mg/L)all year001
Phenolics, total recoverabledaily maximumreport only (mg/L)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≤ .038 mg/Lall year001
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year001
Perfluorobutanoic acid (PFBA)daily maximumreport only (ng/L)all year001
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ng/L)all year001
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ng/L)all year001
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ng/L)all year001
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all year001
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all year001
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all year001
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ng/L)all year001
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ng/L)all year001
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ng/L)all year001
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ng/L)all year001
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year001
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ng/L)all year001
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ng/L)all year001
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all year001
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ng/L)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ng/L)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ng/L)all year001
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ng/L)all year001
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ng/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (ng/L)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ng/L)all year001
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ng/L)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ng/L)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 150 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 300 lb/dall year001
PFAS Sumdaily maximumreport only (ng/L)all year001
3-Perfluoropropyl propanoic acid (3:3 FTCA)daily maximumreport only (ng/L)all year001
Perfluoro-3-methoxypropanoic acid (PFMPA)daily maximumreport only (ng/L)all year001
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)daily maximumreport only (ng/L)all year001
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)daily maximumreport only (ng/L)all year001
3-Perfluoroheptyl propanoic acid (7:3 FTCA)daily maximumreport only (ng/L)all year001
Perfluoro-4-methoxybutanoic acid (PFMBA)daily maximumreport only (ng/L)all year001
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)daily maximumreport only (ng/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Coliform, fecal generaldaily maximumreport only (#/100mL)all year003
Flowmonthly totalreport only (#/mo)all year003
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/g)all yearBIO
Perfluorobutanoic acid (PFBA)daily maximumreport only (ng/g)all yearBIO
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ng/g)all yearBIO
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ng/g)all yearBIO
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ng/g)all yearBIO
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/g)all yearBIO
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/g)all yearBIO
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/g)all yearBIO
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ng/g)all yearBIO
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ng/g)all yearBIO
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ng/g)all yearBIO
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ng/g)all yearBIO
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ng/g)all yearBIO
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ng/g)all yearBIO
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ng/g)all yearBIO
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ng/g)all yearBIO
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/g)all yearBIO
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ng/g)all yearBIO
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ng/g)all yearBIO
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/g)all yearBIO
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/g)all yearBIO
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ng/g)all yearBIO
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ng/g)all yearBIO
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ng/g)all yearBIO
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ng/g)all yearBIO
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ng/g)all yearBIO
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/g)all yearBIO
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (ng/g)all yearBIO
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ng/g)all yearBIO
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ng/g)all yearBIO
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ng/g)all yearBIO
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ng/g)all yearBIO
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ng/g)all yearBIO
PFAS Sumdaily maximumreport only (ng/g)all yearBIO
3-Perfluoropropyl propanoic acid (3:3 FTCA)daily maximumreport only (ng/g)all yearBIO
Perfluoro-3-methoxypropanoic acid (PFMPA)daily maximumreport only (ng/g)all yearBIO
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)daily maximumreport only (ng/g)all yearBIO
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)daily maximumreport only (ng/g)all yearBIO
3-Perfluoroheptyl propanoic acid (7:3 FTCA)daily maximumreport only (ng/g)all yearBIO
Perfluoro-4-methoxybutanoic acid (PFMBA)daily maximumreport only (ng/g)all yearBIO
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)daily maximumreport only (ng/g)all yearBIO
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearINF
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINF
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearINF
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all yearINF
Perfluorobutanoic acid (PFBA)daily maximumreport only (ng/L)all yearINF
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ng/L)all yearINF
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ng/L)all yearINF
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ng/L)all yearINF
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all yearINF
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all yearINF
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all yearINF
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ng/L)all yearINF
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ng/L)all yearINF
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ng/L)all yearINF
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ng/L)all yearINF
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ng/L)all yearINF
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ng/L)all yearINF
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ng/L)all yearINF
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ng/L)all yearINF
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all yearINF
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ng/L)all yearINF
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ng/L)all yearINF
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all yearINF
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all yearINF
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ng/L)all yearINF
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ug/kg)all yearINF
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (mg/kg)all yearINF
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ng/L)all yearINF
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ng/L)all yearINF
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all yearINF
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (ng/L)all yearINF
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ng/L)all yearINF
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ng/L)all yearINF
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ng/L)all yearINF
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ng/L)all yearINF
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ng/L)all yearINF
PFAS Sumdaily maximumreport only (ng/L)all yearINF
3-Perfluoropropyl propanoic acid (3:3 FTCA)daily maximumreport only (ng/L)all yearINF
Perfluoro-3-methoxypropanoic acid (PFMPA)daily maximumreport only (ng/L)all yearINF
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)daily maximumreport only (ng/L)all yearINF
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)daily maximumreport only (ng/L)all yearINF
3-Perfluoroheptyl propanoic acid (7:3 FTCA)daily maximumreport only (ng/L)all yearINF
Perfluoro-4-methoxybutanoic acid (PFMBA)daily maximumreport only (ng/L)all yearINF
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)daily maximumreport only (ng/L)all yearINF

New limits from Jan 1, 2030

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Phosphorus, total [as P], annual geometric mean0.5 mg/Lnew——

How strict are these limits?

Cited limits by parameter: Illinois'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/IL0020273 · MCP: https://passage-data.com/mcp