WATSEKA, CITY OF

NPDES permit IL0022161 · Major POTW · effective, expires 2030-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
26of 58 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chlorine, total residual (1).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (234)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO AV MN report only all year
001Oxygen, dissolved [DO]MN WK AV report only all year
001Oxygen, dissolved [DO]DAILY MN report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Chlorine, total residualMO AVG <= .75 mg/L all year
001Flow, totalMO TOTAL report only all year
A01BOD, 5-day, 20 deg. CMO AVG report only all year
A01BOD, 5-day, 20 deg. CDAILY MX report only all year
A01pHMINIMUM >= 6 SU all year
A01pHMAXIMUM <= 9 SU all year
A01Solids, total suspendedMO AVG report only all year
A01Solids, total suspendedDAILY MX report only all year
A01Nitrogen, ammonia total [as N]MO AVG report only all year
A01Coliform, fecal generalDAILY MX <= 400 #/100mL all year
A01Flow, totalMO TOTAL report only all year
BIOPerfluorooctanoic acid (PFOA)DAILY MX report only all year
BIOPerfluorobutanoic acid (PFBA)DAILY MX report only all year
BIOPerfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
BIOPerfluoropentanoic acid (PFPeA)DAILY MX report only all year
BIOPerfluorohexanoic acid (PFHxA)DAILY MX report only all year
BIOPerfluoroheptanoic acid (PFHpA)DAILY MX report only all year
BIOPerfluorononanoic acid (PFNA)DAILY MX report only all year
BIOPerfluorodecanoic acid (PFDA)DAILY MX report only all year
BIOPerfluoroundecanoic acid (PFUnA)DAILY MX report only all year
BIOPerfluorododecanoic acid (PFDoA)DAILY MX report only all year
BIOPerfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
BIOPerfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
BION-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
BION-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
BION-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
BION-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
BIOPerfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
BIOPerfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
BIOPerfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
BIOPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
BIOPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
BIO1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
BIO1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
BIO1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
BIOPerfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
BIOPerfluorononanesulfonic acid (PFNS)DAILY MX report only all year
BIOHexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
BIONonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
BIOPerfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
BIOPerfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
BIO4,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
BION-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
BION-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
BIOPFAS SumDAILY MX report only all year
BIO3-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
BIOPerfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
BIO9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
BIO11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
BIO3-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
BIOPerfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
BIO2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
C01Oxygen, dissolved [DO]MO AV MN >= 6 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
C01Oxygen, dissolved [DO]MN WK AV >= 4.5 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
C01Oxygen, dissolved [DO]MN WK AV >= 6.25 mg/L Mar, Apr, May, Jun, Jul
C01Oxygen, dissolved [DO]DAILY MN >= 4 mg/L Jan, Feb, Aug, Sep, Oct, Nov, Dec
C01Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Apr, May, Jun, Jul
C01pHMINIMUM >= 6 SU all year
C01pHMAXIMUM <= 9 SU all year
C01Solids, total suspendedMO AVG <= 25 mg/L all year
C01Solids, total suspendedWKLY AVG <= 45 mg/L all year
C01Solids, total suspendedMO AVG <= 834 lb/d all year
C01Solids, total suspendedDAILY MX <= 1501 lb/d all year
C01Oil & GreaseDAILY MX report only all year
C01Oil & GreaseDAILY MX report only all year
C01Nitrogen, total [as N]DAILY MX report only all year
C01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Apr, May, Sep, Oct
C01Nitrogen, ammonia total [as N]MO AVG <= 1.4 mg/L Jun, Jul, Aug
C01Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Mar
C01Nitrogen, ammonia total [as N]DAILY MX <= 3.7 mg/L Apr, May, Sep, Oct
C01Nitrogen, ammonia total [as N]DAILY MX <= 3.7 mg/L Jun, Jul, Aug
C01Nitrogen, ammonia total [as N]DAILY MX <= 2.7 mg/L Jan, Feb, Nov, Dec
C01Nitrogen, ammonia total [as N]DAILY MX <= 4.7 mg/L Mar
C01Nitrogen, ammonia total [as N]MO AVG <= 50 lb/d Apr, May, Sep, Oct
C01Nitrogen, ammonia total [as N]MO AVG <= 47 lb/d Jun, Jul, Aug
C01Nitrogen, ammonia total [as N]MO AVG <= 50 lb/d Mar
C01Nitrogen, ammonia total [as N]DAILY MX <= 123 lb/d Apr, May, Sep, Oct
C01Nitrogen, ammonia total [as N]DAILY MX <= 123 lb/d Jun, Jul, Aug
C01Nitrogen, ammonia total [as N]DAILY MX <= 90 lb/d Jan, Feb, Nov, Dec
C01Nitrogen, ammonia total [as N]DAILY MX <= 157 lb/d Mar
C01Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Apr, May, Sep, Oct
C01Nitrogen, ammonia total [as N]WKLY AVG <= 3.6 mg/L Jun, Jul, Aug
C01Nitrogen, ammonia total [as N]WKLY AVG <= 3.8 mg/L Mar
C01Nitrogen, ammonia total [as N]WKLY AVG <= 127 lb/d Apr, May, Sep, Oct
C01Nitrogen, ammonia total [as N]WKLY AVG <= 120 lb/d Jun, Jul, Aug
C01Nitrogen, ammonia total [as N]WKLY AVG <= 127 lb/d Mar
C01Phosphorus, total [as P]DAILY MX report only all year
C01Cyanide, total [as CN]DAILY MX report only all year
C01Cyanide, total [as CN]DAILY MX report only all year
C01Cyanide, free [amenable to chlorination]MO AVG report only all year
C01Cyanide, free [amenable to chlorination]DAILY MX report only all year
C01Cyanide, free [amenable to chlorination]DAILY MX report only all year
C01Fluoride, total [as F]DAILY MX report only all year
C01Fluoride, total [as F]DAILY MX report only all year
C01Arsenic, total [as As]DAILY MX report only all year
C01Arsenic, total [as As]DAILY MX report only all year
C01Barium, total [as Ba]DAILY MX report only all year
C01Barium, total [as Ba]DAILY MX report only all year
C01Cadmium, total [as Cd]DAILY MX report only all year
C01Cadmium, total [as Cd]DAILY MX report only all year
C01Chromium, hexavalent [as Cr]DAILY MX report only all year
C01Chromium, hexavalent [as Cr]DAILY MX report only all year
C01Chromium, total [as Cr]DAILY MX report only all year
C01Chromium, total [as Cr]DAILY MX report only all year
C01Copper, total [as Cu]MO AVG report only all year
C01Copper, total [as Cu]DAILY MX report only all year
C01Copper, total [as Cu]DAILY MX report only all year
C01Iron, total [as Fe]DAILY MX report only all year
C01Iron, total [as Fe]DAILY MX report only all year
C01Iron, dissolved [as Fe]DAILY MX report only all year
C01Iron, dissolved [as Fe]DAILY MX report only all year
C01Lead, total [as Pb]DAILY MX report only all year
C01Lead, total [as Pb]DAILY MX report only all year
C01Manganese, total [as Mn]DAILY MX report only all year
C01Manganese, total [as Mn]DAILY MX report only all year
C01Nickel, total [as Ni]DAILY MX report only all year
C01Nickel, total [as Ni]DAILY MX report only all year
C01Silver, total [as Ag]MO AVG report only all year
C01Silver, total [as Ag]DAILY MX report only all year
C01Silver, total [as Ag]DAILY MX report only all year
C01Zinc, total [as Zn]MO AVG report only all year
C01Zinc, total [as Zn]DAILY MX report only all year
C01Zinc, total [as Zn]DAILY MX report only all year
C01Selenium, total [as Se]DAILY MX report only all year
C01Selenium, total [as Se]DAILY MX report only all year
C01Phenolics, total recoverableDAILY MX report only all year
C01Phenolics, total recoverableDAILY MX report only all year
C01Flow, in conduit or thru treatment plantMO AVG report only all year
C01Flow, in conduit or thru treatment plantDAILY MX report only all year
C01Chlorine, total residualDAILY MX <= .038 mg/L Jan, Feb, Mar, Apr, Nov, Dec
C01Chlorine, total residualDAILY MX <= .038 mg/L May, Jun, Jul, Aug, Sep, Oct
C01Perfluorooctanoic acid (PFOA)DAILY MX report only all year
C01Perfluorobutanoic acid (PFBA)DAILY MX report only all year
C01Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
C01Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
C01Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
C01Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
C01Perfluorononanoic acid (PFNA)DAILY MX report only all year
C01Perfluorodecanoic acid (PFDA)DAILY MX report only all year
C01Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
C01Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
C01Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
C01Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
C01N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
C01N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
C01N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
C01N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
C01Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
C01Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
C01Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
C01Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
C01Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
C011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
C011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
C011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
C01Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
C01Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
C01Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
C01Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
C01Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
C01Perfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
C014,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
C01N-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
C01N-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
C01Mercury, total [as Hg]DAILY MX report only all year
C01Mercury, total [as Hg]DAILY MX report only all year
C01Coliform, fecal generalDAILY MX <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
C01BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L all year
C01BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
C01BOD, carbonaceous [5 day, 20 C]MO AVG <= 667 lb/d all year
C01BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1334 lb/d all year
C01PFAS SumDAILY MX report only all year
C013-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
C01Perfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
C019-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
C0111-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
C013-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
C01Perfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
C012H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFFlow, in conduit or thru treatment plantMO AVG report only all year
INFFlow, in conduit or thru treatment plantDAILY MX report only all year
INFPerfluorooctanoic acid (PFOA)DAILY MX report only all year
INFPerfluorobutanoic acid (PFBA)DAILY MX report only all year
INFPerfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
INFPerfluoropentanoic acid (PFPeA)DAILY MX report only all year
INFPerfluorohexanoic acid (PFHxA)DAILY MX report only all year
INFPerfluoroheptanoic acid (PFHpA)DAILY MX report only all year
INFPerfluorononanoic acid (PFNA)DAILY MX report only all year
INFPerfluorodecanoic acid (PFDA)DAILY MX report only all year
INFPerfluoroundecanoic acid (PFUnA)DAILY MX report only all year
INFPerfluorododecanoic acid (PFDoA)DAILY MX report only all year
INFPerfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
INFPerfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
INFN-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
INFN-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
INFN-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
INFN-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
INFPerfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
INFPerfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
INFPerfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
INFPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
INFPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
INF1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
INF1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
INF1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
INFPerfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
INFPerfluorononanesulfonic acid (PFNS)DAILY MX report only all year
INFHexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
INFNonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
INFPerfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
INFPerfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
INF4,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
INFN-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
INFN-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
INFPFAS SumDAILY MX report only all year
INF3-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
INFPerfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
INF9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
INF11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
INF3-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
INFPerfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
INF2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year

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