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Lincoln, City of

Sewage treatment plant, major discharger, Lincoln, Illinois. NPDES permit IL0029564, in force until Feb 28, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (54 values), outfall 001 form P quarterly (40 values), outfall 002 form 0 monthly (8 values), outfall INF form L monthly (4 values), outfall INF form P quarterly (40 values), outfall 001 form S twice a year, and 1 more form
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 3 of 90 reports late

Limits in force (263)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly average minimum≥ 6 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]monthly average minimum≥ 6 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 4.25 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 4.25 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 6.25 mg/LMar–Jul001
Oxygen, dissolved [DO]minimum weekly average≥ 6.25 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul001
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 2141 lb/dall year001
Solids, total suspendedmonthly average≤ 2141 lb/dall year001
Solids, total suspendedweekly average≤ 3854 lb/dall year001
Solids, total suspendedweekly average≤ 3854 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, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 5.7 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 5.7 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 3.7 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3.7 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 128 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 128 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 111 lb/dJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 111 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 514 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 514 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 488 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 488 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 317 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 317 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 3.3 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 3.3 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 3.8 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 3.8 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 283 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 283 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 325 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 325 lb/dMar, Apr, May, Sep, Oct001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)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 plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .5 mg/Lall year001
Chlorine, total residualdaily maximum≤ .5 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
Coliform, fecal generaldaily maximum≤ 400 #/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1713 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1713 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 3426 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 3426 lb/dall 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. Cmonthly averagereport only (mg/L)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Chlorine, total residualmonthly average≤ .75 mg/Lall year002
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year002
Flow, totalmonthly totalreport only (Mgal/mo)all year002
Overflowsmonthly totalreport only (#/mo)all year003
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Coliform, fecal generaldaily maximumreport only (#/100mL)all year006
Flowmonthly totalreport only (#/mo)all year006
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year007
Solids, total suspendeddaily maximumreport only (mg/L)all year007
Coliform, fecal generaldaily maximumreport only (#/100mL)all year007
Flowmonthly totalreport only (#/mo)all year007
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearA02
Solids, total suspendedmonthly averagereport only (mg/L)all yearA02
Perfluorooctanoic acid (PFOA)daily maximumreport only (ug/kg)all yearBIO
Perfluorobutanoic acid (PFBA)daily maximumreport only (ug/kg)all yearBIO
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ug/kg)all yearBIO
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ug/kg)all yearBIO
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ug/kg)all yearBIO
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ug/kg)all yearBIO
Perfluorononanoic acid (PFNA)daily maximumreport only (ug/kg)all yearBIO
Perfluorodecanoic acid (PFDA)daily maximumreport only (ug/kg)all yearBIO
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ug/kg)all yearBIO
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ug/kg)all yearBIO
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ug/kg)all yearBIO
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ug/kg)all yearBIO
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ug/kg)all yearBIO
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ug/kg)all yearBIO
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ug/kg)all yearBIO
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ug/kg)all yearBIO
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ug/kg)all yearBIO
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ug/kg)all yearBIO
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ug/kg)all yearBIO
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ug/kg)all yearBIO
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ug/kg)all yearBIO
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ug/kg)all yearBIO
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ug/kg)all yearBIO
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ug/kg)all yearBIO
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ug/kg)all yearBIO
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ug/kg)all yearBIO
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ug/kg)all yearBIO
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (mg/kg)all yearBIO
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ug/kg)all yearBIO
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ug/kg)all yearBIO
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ug/kg)all yearBIO
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ug/kg)all yearBIO
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ug/kg)all yearBIO
3-Perfluoropropyl propanoic acid (3:3 FTCA)daily maximumreport only (ug/kg)all yearBIO
Perfluoro-3-methoxypropanoic acid (PFMPA)daily maximumreport only (ug/kg)all yearBIO
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)daily maximumreport only (ug/kg)all yearBIO
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)daily maximumreport only (ug/kg)all yearBIO
3-Perfluoroheptyl propanoic acid (7:3 FTCA)daily maximumreport only (ug/kg)all yearBIO
Perfluoro-4-methoxybutanoic acid (PFMBA)daily maximumreport only (ug/kg)all yearBIO
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)daily maximumreport only (ug/kg)all yearBIO
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly 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 (ng/L)all yearINF
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ng/L)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
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 Mar 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, daily maximum0.038 mg/Ltighter0.375 mg/L (6 values)9.87×

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/IL0029564 · MCP: https://passage-data.com/mcp