ALTO PEKIN LLC

NPDES permit IL0001953 · Major NON-POTW · effective, expires 2029-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

23values over a limit
0required values missing, on 0 form(s)
0of 61 forms filed late

Last period with anything received: 2026-07-31. Most often over: Temperature, length of excursion (11), Temperature Increase Deg. F (11), Temperature, water deg. fahrenheit (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (203)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO MAX <= 93 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Temperature, water deg. fahrenheitMO MAX <= 93 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Temperature, water deg. fahrenheitMO MAX <= 63 deg F Jan, Feb, Mar, Dec
001Temperature, water deg. fahrenheitMO MAX <= 63 deg F Jan, Feb, Mar, Dec
001Sulfate [as S]SEMI AVG report only Jan, Jul
001Sulfate [as S]SEMI AVG report only Jan, Jul
001Sulfate [as S]SX report only Jan, Jul
001Sulfate [as S]SX report only Jan, Jul
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHMO MIN >= 6 SU all year
001pHMO MIN >= 6 SU all year
001pHMO MAX <= 9 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspendedQRTR AVG report only Jan, Apr, Jul, Oct
001Solids, total suspendedQRTR AVG report only Jan, Apr, Jul, Oct
001Solids, total suspendedQB report only Jan, Apr, Jul, Oct
001Solids, total suspendedQB report only Jan, Apr, Jul, Oct
001Oil & GreaseDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]SEMI AVG report only Jan, Jul
001Nitrogen, total [as N]SEMI AVG report only Jan, Jul
001Nitrogen, total [as N]SX report only Jan, Jul
001Nitrogen, total [as N]SX report only Jan, Jul
001Phosphorus, total [as P]SEMI AVG report only Jan, Jul
001Phosphorus, total [as P]SEMI AVG report only Jan, Jul
001Phosphorus, total [as P]SX report only Jan, Jul
001Phosphorus, total [as P]SX report only Jan, Jul
001Cyanide, weak acid, dissociableDAILY MX report only all year
001Cyanide, weak acid, dissociableDAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Barium, total [as Ba]DAILY MX report only all year
001Barium, total [as Ba]DAILY MX report only all year
001Boron, total [as B]SEMI AVG report only Jan, Jul
001Boron, total [as B]SEMI AVG report only Jan, Jul
001Boron, total [as B]SX report only Jan, Jul
001Boron, total [as B]SX report only Jan, Jul
001Cadmium, total [as Cd]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Iron, dissolved [as Fe]DAILY MX report only all year
001Iron, dissolved [as Fe]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Silver, total [as Ag]DAILY MX report only all year
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Phenolics, total recoverableDAILY MX report only all year
001Phenolics, total recoverableDAILY MX report only all year
001Temperature, length of excursionTOTAL <= 87.6 hr/12mo all year
001Temperature, length of excursionTOTAL <= 87.6 hr/12mo all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .038 mg/L all year
001Chlorine, total residualDAILY MX <= .038 mg/L all year
001Temperature Increase Deg. FMO MAX <= 5 deg F all year
001Temperature Increase Deg. FMO MAX <= 5 deg F all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]DAILY MX report only all year
002Temperature, water deg. fahrenheitMO MAX <= 93 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002Temperature, water deg. fahrenheitMO MAX <= 93 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002Temperature, water deg. fahrenheitMO MAX <= 63 deg F Jan, Feb, Mar, Dec
002Temperature, water deg. fahrenheitMO MAX <= 63 deg F Jan, Feb, Mar, Dec
002pHMO MIN >= 6 SU all year
002pHMO MIN >= 6 SU all year
002pHMO MAX <= 9 SU all year
002pHMO MAX <= 9 SU all year
002Temperature, length of excursionTOTAL <= 87.6 hr/12mo all year
002Temperature, length of excursionTOTAL <= 87.6 hr/12mo all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY MX <= .038 mg/L all year
002Chlorine, total residualDAILY MX <= .038 mg/L all year
002Temperature Increase Deg. FMO MAX <= 5 deg F all year
002Temperature Increase Deg. FMO MAX <= 5 deg F all year
003pHMO MIN >= 6 SU all year
003pHMO MAX <= 9 SU all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualDAILY MX <= .038 mg/L all year
B01BOD, 5-day, 20 deg. C30DA AVG <= 20 mg/L all year
B01BOD, 5-day, 20 deg. CDAILY MX <= 40 mg/L all year
B01BOD, 5-day, 20 deg. C30DA AVG <= 145.1 lb/d all year
B01BOD, 5-day, 20 deg. CDAILY MX <= 374.7 lb/d all year
B01Solids, total suspended30DA AVG <= 25 mg/L all year
B01Solids, total suspendedDAILY MX <= 50 mg/L all year
B01Solids, total suspended30DA AVG <= 181.3 lb/d all year
B01Solids, total suspendedDAILY MX <= 468.4 lb/d all year
B01Nitrogen, ammonia total [as N]30DA AVG <= 3 mg/L all year
B01Nitrogen, ammonia total [as N]DAILY MX <= 6 mg/L all year
B01Nitrogen, ammonia total [as N]30DA AVG <= 100 lb/d all year
B01Nitrogen, ammonia total [as N]DAILY MX <= 200 lb/d all year
B01Phosphorus, total [as P]30DA AVG <= 1 mg/L all year
B01Phosphorus, total [as P]30DA AVG <= 7.26 lb/d all year
B01Flow, in conduit or thru treatment plantMO AVG report only all year
B01Flow, in conduit or thru treatment plantDAILY MX report only all year
B01Perfluorooctanoic acid (PFOA)DAILY MX report only all year
B01Perfluorooctanoic acid (PFOA)DAILY MX report only all year
B01Perfluorobutanoic acid (PFBA)DAILY MX report only all year
B01Perfluorobutanoic acid (PFBA)DAILY MX report only all year
B01Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
B01Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
B01Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
B01Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
B01Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
B01Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
B01Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
B01Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
B01Perfluorononanoic acid (PFNA)DAILY MX report only all year
B01Perfluorononanoic acid (PFNA)DAILY MX report only all year
B01Perfluorodecanoic acid (PFDA)DAILY MX report only all year
B01Perfluorodecanoic acid (PFDA)DAILY MX report only all year
B01Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
B01Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
B01Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
B01Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
B01Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
B01Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
B01Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
B01Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
B01N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
B01N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
B01N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
B01N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
B01N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
B01N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
B01N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
B01N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
B01Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
B01Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
B01Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
B01Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
B01Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
B01Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
B01Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
B01Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
B01Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
B01Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
B011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
B011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
B011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
B011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
B011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
B011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
B01Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
B01Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
B01Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
B01Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
B01Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
B01Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
B01Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
B01Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
B01Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
B01Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
B01Perfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
B01Perfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
B014,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
B014,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
B01N-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
B01N-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
B01N-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
B01N-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
B013-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
B013-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
B01Perfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
B01Perfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
B019-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
B019-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
B0111-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
B0111-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
B013-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
B013-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
B01Perfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
B01Perfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
B012H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
B012H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY 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

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states