NOURYON SURFACE CHEMISTRY LLC

NPDES permit IL0026069 · Minor NON-POTW · effective, expires 2030-08-31 · 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)
0of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (1).

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among IL permits in EPA's filings — check your permit).

Limits in force (273)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO MAX <= 63 deg F Jan, Feb, Mar, Dec
001Temperature, water deg. fahrenheitMO MAX <= 93 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 10 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
001pHMO MIN >= 6 SU all year
001pHMO MIN >= 6.5 SU all year
001pHMO MAX <= 9 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspended30DA AVG <= 12 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Solids, total suspendedDAILY MX <= 24 mg/L all year
001Oil & Grease30DA AVG <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 30 mg/L all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1.1 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4.4 mg/L Mar, Apr, May, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 5.7 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 2.9 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.8 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.3 mg/L Mar, Apr, May, Sep, Oct
001Cyanide, total [as CN]QRTR AVG <= .1 mg/L all year
001Cyanide, total [as CN]QB <= .2 mg/L all year
001Cyanide, total [as CN]QRTR AVG <= .12 lb/d all year
001Cyanide, total [as CN]QB <= .24 lb/d all year
001Cyanide, free [amenable to chlorination]SEMI AVG report only Jan, Jul
001Cyanide, free [amenable to chlorination]DAILY MX report only all year
001Cyanide, free [amenable to chlorination]SX report only Jan, Jul
001Fluoride, total [as F]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
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]QRTR AVG <= 1 mg/L all year
001Chromium, total [as Cr]QB <= 2 mg/L all year
001Chromium, total [as Cr]QRTR AVG <= 1.2 lb/d all year
001Chromium, total [as Cr]QB <= 2.4 lb/d all year
001Copper, total [as Cu]QB <= .06 mg/L all year
001Copper, total [as Cu]QRTR AVG <= .6 lb/d all year
001Copper, total [as Cu]QB <= 1.2 lb/d all year
001Iron, total [as Fe]DAILY MX report only all year
001Iron, dissolved [as Fe]QB <= 1 mg/L all year
001Lead, total [as Pb]QRTR AVG <= .2 mg/L all year
001Lead, total [as Pb]QB <= .4 mg/L all year
001Lead, total [as Pb]QRTR AVG <= .24 lb/d all year
001Lead, total [as Pb]QB <= .48 lb/d all year
001Manganese, total [as Mn]DAILY MX report only all year
001Nickel, total [as Ni]30DA AVG <= .02 mg/L Mar, Jun, Sep, Dec
001Nickel, total [as Ni]30DA AVG <= .05 lb/d Mar, Jun, Sep, Dec
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]QRTR AVG <= 1 mg/L all year
001Zinc, total [as Zn]QB <= 2 mg/L all year
001Zinc, total [as Zn]QRTR AVG <= 1.2 lb/d all year
001Zinc, total [as Zn]QB <= 2.4 lb/d all year
001Selenium, total [as Se]DAILY MX report only all year
001Coliform, fecal - % samples exceeding limitMAXIMUM <= 10 % May, Jun, Jul, Aug, Sep, Oct
001Carbon tetrachlorideSEMI AVG <= .02 lb/d all year
001Carbon tetrachlorideSX <= .05 lb/d all year
001ChloroformSEMI AVG <= .03 lb/d all year
001ChloroformSX <= .06 lb/d all year
001Phenolics, total recoverableDAILY MX report only all year
001TolueneSEMI AVG <= .03 lb/d all year
001TolueneSX <= .1 lb/d all year
001BenzeneSEMI AVG <= .05 lb/d all year
001BenzeneSX <= .16 lb/d all year
001AcenaphthyleneSEMI AVG <= .03 lb/d all year
001AcenaphthyleneSX <= .07 lb/d all year
001AcenaphtheneSEMI AVG <= .03 lb/d all year
001AcenaphtheneSX <= .07 lb/d all year
001AcrylonitrileSEMI AVG <= .12 lb/d all year
001AcrylonitrileSX <= .29 lb/d all year
001AnthraceneSEMI AVG <= .03 lb/d all year
001AnthraceneSX <= .07 lb/d all year
001Benzo[k]fluorantheneSEMI AVG <= .03 lb/d all year
001Benzo[k]fluorantheneSX <= .07 lb/d all year
001Benzo[a]pyreneSEMI AVG <= .03 lb/d all year
001Benzo[a]pyreneSX <= .07 lb/d all year
001ChlorobenzeneSEMI AVG <= .02 lb/d all year
001ChlorobenzeneSX <= .03 lb/d all year
001ChryseneSEMI AVG <= .03 lb/d all year
001ChryseneSX <= .07 lb/d all year
001Diethyl phthalateSEMI AVG <= .1 lb/d all year
001Diethyl phthalateSX <= .25 lb/d all year
001Dimethyl phthalateSEMI AVG <= .02 lb/d all year
001Dimethyl phthalateSX <= .06 lb/d all year
001EthylbenzeneSEMI AVG <= .04 lb/d all year
001EthylbenzeneSX <= .13 lb/d all year
001FluorantheneSEMI AVG <= .03 lb/d all year
001FluorantheneSX <= .08 lb/d all year
001FluoreneSEMI AVG <= .03 lb/d all year
001FluoreneSX <= .07 lb/d all year
001HexachloroethaneSEMI AVG <= .03 lb/d all year
001HexachloroethaneSX <= .07 lb/d all year
001Methyl chloride [Chloromethane]SEMI AVG <= .1 lb/d all year
001Methyl chloride [Chloromethane]SX <= .23 lb/d all year
001Methylene chlorideSEMI AVG <= .05 lb/d all year
001Methylene chlorideSX <= .11 lb/d all year
001NitrobenzeneSEMI AVG <= .03 lb/d all year
001NitrobenzeneSX <= .08 lb/d all year
001PhenanthreneSEMI AVG <= .03 lb/d all year
001PhenanthreneSX <= .07 lb/d all year
001PyreneSEMI AVG <= .03 lb/d all year
001PyreneSX <= .08 lb/d all year
0011,1-DichloroethaneSEMI AVG <= .03 lb/d all year
0011,1-DichloroethaneSX <= .07 lb/d all year
0011,1-DichloroethyleneSEMI AVG <= .02 lb/d all year
0011,1-DichloroethyleneSX <= .03 lb/d all year
0011,1,1-TrichloroethaneSEMI AVG <= .03 lb/d all year
0011,1,1-TrichloroethaneSX <= .07 lb/d all year
0011,1,2-TrichloroethaneSEMI AVG <= .03 lb/d all year
0011,1,2-TrichloroethaneSX <= .07 lb/d all year
001Benzo[a]anthraceneSEMI AVG <= .03 lb/d all year
001Benzo[a]anthraceneSX <= .07 lb/d all year
0011,2-Dichloroethane, total weightSEMI AVG <= .08 lb/d all year
0011,2-Dichloroethane, total weightSX <= .26 lb/d all year
0011,2-DichlorobenzeneSEMI AVG <= .09 lb/d all year
0011,2-DichlorobenzeneSX <= .2 lb/d all year
0011,2-DichloropropaneSEMI AVG <= .19 lb/d all year
0011,2-DichloropropaneSX <= .28 lb/d all year
001trans-1,2-DichloroethyleneSEMI AVG <= .03 lb/d all year
001trans-1,2-DichloroethyleneSX <= .07 lb/d all year
0011,2,4-TrichlorobenzeneSEMI AVG <= .08 lb/d all year
0011,2,4-TrichlorobenzeneSX <= .17 lb/d all year
0011,3-DichlorobenzeneSEMI AVG <= .04 lb/d all year
0011,3-DichlorobenzeneSX <= .05 lb/d all year
0011,4-DichlorobenzeneSEMI AVG <= .02 lb/d all year
0011,4-DichlorobenzeneSX <= .03 lb/d all year
0012-ChlorophenolSEMI AVG <= .04 lb/d all year
0012-ChlorophenolSX <= .12 lb/d all year
0012-NitrophenolSEMI AVG <= .05 lb/d all year
0012-NitrophenolSX <= .08 lb/d all year
0012,4-DichlorophenolSEMI AVG <= .05 lb/d all year
0012,4-DichlorophenolSX <= .14 lb/d all year
0012,4-DimethylphenolSEMI AVG <= .02 lb/d all year
0012,4-DimethylphenolSX <= .04 lb/d all year
0012,4-DinitrotolueneSEMI AVG <= .14 lb/d all year
0012,4-DinitrotolueneSX <= .35 lb/d all year
0012,4-DinitrophenolSEMI AVG <= .09 lb/d all year
0012,4-DinitrophenolSX <= .15 lb/d all year
0012,6-DinitrotolueneSEMI AVG <= .31 lb/d all year
0012,6-DinitrotolueneSX <= .78 lb/d all year
0014-NitrophenolSEMI AVG <= .09 lb/d all year
0014-NitrophenolSX <= .15 lb/d all year
0014,6-Dinitro-o-cresolSEMI AVG <= .09 lb/d all year
0014,6-Dinitro-o-cresolSX <= .34 lb/d all year
001PhenolSX <= .1 mg/L all year
001PhenolSEMI AVG <= .02 lb/d all year
001PhenolSX <= .03 lb/d all year
001NaphthaleneSEMI AVG <= .03 lb/d all year
001NaphthaleneSX <= .07 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]SEMI AVG <= .13 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]SX <= .34 lb/d all year
001Di-n-butyl phthalateSEMI AVG <= .03 lb/d all year
001Di-n-butyl phthalateSX <= .07 lb/d all year
001Vinyl chlorideSEMI AVG <= .13 lb/d all year
001Vinyl chlorideSX <= .32 lb/d all year
001TrichloroethyleneSEMI AVG <= .03 lb/d all year
001TrichloroethyleneSX <= .07 lb/d all year
001HexachlorobenzeneSEMI AVG <= .02 lb/d all year
001HexachlorobenzeneSX <= .03 lb/d all year
001HexachlorobutadieneSEMI AVG <= .02 lb/d all year
001HexachlorobutadieneSX <= .06 lb/d 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 plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .05 mg/L all year
0011,3-DichloropropyleneSEMI AVG <= .04 lb/d all year
0011,3-DichloropropyleneSX <= .05 lb/d all year
001Perfluorooctanoic acid (PFOA)DAILY MX report only all year
001Perfluorobutanoic acid (PFBA)DAILY MX report only all year
001Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
001Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
001Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
001Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
001Perfluorononanoic acid (PFNA)DAILY MX report only all year
001Perfluorodecanoic acid (PFDA)DAILY MX report only all year
001Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
001Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
001Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
001Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
001N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
001N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
001N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
001N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
001Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
001Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
001Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
001Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
001Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
0011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
0011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
0011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
001Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
001Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
001Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
001Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
001Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
001Perfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
0014,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
001N-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
001N-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Coliform, fecal generalGEO MEAN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
0013,4-BenzofluorantheneSEMI AVG <= .03 lb/d all year
0013,4-BenzofluorantheneSX <= .07 lb/d all year
001ChloroethaneSEMI AVG <= .13 lb/d all year
001ChloroethaneSX <= .32 lb/d all year
001TetrachloroethyleneSEMI AVG <= .03 lb/d all year
001TetrachloroethyleneSX <= .07 lb/d all year
001PFAS SumDAILY MX report only all year
0013-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
001Perfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
0019-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
00111-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
0013-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
001Perfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
0012H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
002Temperature, water deg. fahrenheitMO MAX <= 63 deg F Jan, Feb, Mar, Dec
002Temperature, water deg. fahrenheitMO MAX <= 93 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002pHMO MIN >= 6.5 SU all year
002pHMO MAX <= 9 SU all year
002Copper, total [as Cu]30DA AVG report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Temperature, length of excursionMO TOTAL <= 87.6 hr/12mo 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
002Perfluorooctanoic acid (PFOA)DAILY MX report only all year
002Perfluorobutanoic acid (PFBA)DAILY MX report only all year
002Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
002Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
002Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
002Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
002Perfluorononanoic acid (PFNA)DAILY MX report only all year
002Perfluorodecanoic acid (PFDA)DAILY MX report only all year
002Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
002Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
002Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
002Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
002N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
002N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
002N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
002N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
002Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
002Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
002Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
002Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
002Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
0021H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
0021H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
0021H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
002Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
002Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
002Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
002Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
002Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
002Perfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
0024,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
002N-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
002N-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
002PFAS SumDAILY MX report only all year
0023-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
002Perfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
0029-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
00211-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
0023-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
002Perfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
0022H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year

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