ISP Chemicals Inc

NPDES permit KY0003701 · Major NON-POTW · effective, expires 2026-12-31 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 21 forms filed late

Last period with anything received: 2026-08-31. Most often over: BOD, 5-day, 20 deg. C (1), Oil & Grease (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among KY permits in EPA's filings — check your permit).

Limits in force (277)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 361 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 952 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 455 lb/d all year
001Solids, total suspendedDAILY MX <= 1445 lb/d all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Cyanide, total [as CN]MO AVG report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]MO AVG <= 3.29 lb/d all year
001Cyanide, total [as CN]DAILY MX <= 9.39 lb/d all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Nickel, total recoverableMO AVG <= 3360 ug/L all year
001Nickel, total recoverableDAILY MX <= 3360 ug/L all year
001Nickel, total recoverableMO AVG <= 13.23 lb/d all year
001Nickel, total recoverableDAILY MX <= 31.16 lb/d all year
001Zinc, total recoverableMO AVG <= 858 ug/L all year
001Zinc, total recoverableDAILY MX <= 858 ug/L all year
001Zinc, total recoverableMO AVG <= 8.22 lb/d all year
001Zinc, total recoverableDAILY MX <= 20.43 lb/d all year
001Lead, total recoverableMO AVG <= 609 ug/L all year
001Lead, total recoverableDAILY MX <= 609 ug/L all year
001Lead, total recoverableMO AVG <= 2.51 lb/d all year
001Lead, total recoverableDAILY MX <= 5.4 lb/d all year
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
001Chromium, total recoverableMO AVG <= 8.69 lb/d all year
001Chromium, total recoverableDAILY MX <= 21.68 lb/d all year
001Copper, total recoverableMO AVG <= 101 mg/L all year
001Copper, total recoverableDAILY MX <= 101 mg/L all year
001Copper, total recoverableMO AVG <= 11.35 lb/d all year
001Copper, total recoverableDAILY MX <= 26.46 lb/d all year
001Carbon tetrachlorideMO AVG report only all year
001Carbon tetrachlorideDAILY MX report only all year
001Carbon tetrachlorideMO AVG <= .14 lb/d all year
001Carbon tetrachlorideDAILY MX <= .3 lb/d all year
0011,2-DichloroethaneMO AVG report only all year
0011,2-DichloroethaneDAILY MX report only all year
0011,2-DichloroethaneMO AVG <= .53 lb/d all year
0011,2-DichloroethaneDAILY MX <= 1.65 lb/d all year
001ChloroformMO AVG report only all year
001ChloroformDAILY MX report only all year
001ChloroformMO AVG <= .16 lb/d all year
001ChloroformDAILY MX <= .36 lb/d all year
001TolueneMO AVG report only all year
001TolueneDAILY MX report only all year
001TolueneMO AVG <= .2 lb/d all year
001TolueneDAILY MX <= .63 lb/d all year
001BenzeneMO AVG report only all year
001BenzeneDAILY MX report only all year
001BenzeneMO AVG <= .29 lb/d all year
001BenzeneDAILY MX <= 1.06 lb/d all year
001AcenaphthyleneMO AVG report only all year
001AcenaphthyleneDAILY MX report only all year
001AcenaphthyleneMO AVG <= .17 lb/d all year
001AcenaphthyleneDAILY MX <= .46 lb/d all year
001AcenaphtheneMO AVG report only all year
001AcenaphtheneDAILY MX report only all year
001AcenaphtheneMO AVG <= .17 lb/d all year
001AcenaphtheneDAILY MX <= .46 lb/d all year
001AcrylonitrileMO AVG report only all year
001AcrylonitrileDAILY MX report only all year
001AcrylonitrileMO AVG <= .75 lb/d all year
001AcrylonitrileDAILY MX <= 1.89 lb/d all year
001AnthraceneMO AVG report only all year
001AnthraceneDAILY MX report only all year
001AnthraceneMO AVG <= .17 lb/d all year
001AnthraceneDAILY MX <= .46 lb/d all year
001Benzo[k]fluorantheneMO AVG report only all year
001Benzo[k]fluorantheneDAILY MX report only all year
001Benzo[k]fluorantheneMO AVG <= .17 lb/d all year
001Benzo[k]fluorantheneDAILY MX <= .46 lb/d all year
001Benzo[a]pyreneMO AVG report only all year
001Benzo[a]pyreneDAILY MX report only all year
001Benzo[a]pyreneMO AVG <= .18 lb/d all year
001Benzo[a]pyreneDAILY MX <= .48 lb/d all year
001ChlorobenzeneMO AVG report only all year
001ChlorobenzeneDAILY MX report only all year
001ChlorobenzeneMO AVG <= .12 lb/d all year
001ChlorobenzeneDAILY MX <= .22 lb/d all year
001ChryseneMO AVG report only all year
001ChryseneDAILY MX report only all year
001ChryseneMO AVG <= .17 lb/d all year
001ChryseneDAILY MX <= .46 lb/d all year
001Diethyl phthalateMO AVG report only all year
001Diethyl phthalateDAILY MX report only all year
001Diethyl phthalateMO AVG <= .63 lb/d all year
001Diethyl phthalateDAILY MX <= 1.59 lb/d all year
001Dimethyl phthalateMO AVG report only all year
001Dimethyl phthalateDAILY MX report only all year
001Dimethyl phthalateMO AVG <= .15 lb/d all year
001Dimethyl phthalateDAILY MX <= .37 lb/d all year
001EthylbenzeneMO AVG report only all year
001EthylbenzeneDAILY MX report only all year
001EthylbenzeneMO AVG <= .25 lb/d all year
001EthylbenzeneDAILY MX <= .85 lb/d all year
001FluorantheneMO AVG report only all year
001FluorantheneDAILY MX report only all year
001FluorantheneMO AVG <= .2 lb/d all year
001FluorantheneDAILY MX <= .53 lb/d all year
001FluoreneMO AVG report only all year
001FluoreneDAILY MX report only all year
001FluoreneMO AVG <= .17 lb/d all year
001FluoreneDAILY MX <= .46 lb/d all year
001HexachloroethaneMO AVG report only all year
001HexachloroethaneDAILY MX report only all year
001HexachloroethaneMO AVG <= .16 lb/d all year
001HexachloroethaneDAILY MX <= .42 lb/d all year
001Methyl chloride [Chloromethane]MO AVG report only all year
001Methyl chloride [Chloromethane]DAILY MX report only all year
001Methyl chloride [Chloromethane]MO AVG <= .67 lb/d all year
001Methyl chloride [Chloromethane]DAILY MX <= 1.49 lb/d all year
001Methylene chlorideMO AVG report only all year
001Methylene chlorideDAILY MX report only all year
001Methylene chlorideMO AVG <= .31 lb/d all year
001Methylene chlorideDAILY MX <= .7 lb/d all year
001NitrobenzeneMO AVG report only all year
001NitrobenzeneDAILY MX report only all year
001NitrobenzeneMO AVG <= .21 lb/d all year
001NitrobenzeneDAILY MX <= .53 lb/d all year
001PhenanthreneMO AVG report only all year
001PhenanthreneDAILY MX report only all year
001PhenanthreneMO AVG <= .17 lb/d all year
001PhenanthreneDAILY MX <= .46 lb/d all year
001PyreneMO AVG report only all year
001PyreneDAILY MX report only all year
001PyreneMO AVG <= .2 lb/d all year
001PyreneDAILY MX <= .52 lb/d all year
001TetrachloroethyleneMO AVG report only all year
001TetrachloroethyleneDAILY MX report only all year
001TetrachloroethyleneMO AVG <= .17 lb/d all year
001TetrachloroethyleneDAILY MX <= .44 lb/d all year
0011,1-DichloroethaneMO AVG report only all year
0011,1-DichloroethaneDAILY MX report only all year
0011,1-DichloroethaneMO AVG <= .17 lb/d all year
0011,1-DichloroethaneDAILY MX <= .46 lb/d all year
0011,1-DichloroethyleneMO AVG report only all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1-DichloroethyleneMO AVG <= .13 lb/d all year
0011,1-DichloroethyleneDAILY MX <= .2 lb/d all year
0011,1,1-TrichloroethaneMO AVG report only all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,1-TrichloroethaneMO AVG <= .16 lb/d all year
0011,1,1-TrichloroethaneDAILY MX <= .42 lb/d all year
0011,1,2-TrichloroethaneMO AVG report only all year
0011,1,2-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneMO AVG <= .16 lb/d all year
0011,1,2-TrichloroethaneDAILY MX <= .42 lb/d all year
001Benzo[a]anthraceneMO AVG report only all year
001Benzo[a]anthraceneDAILY MX report only all year
001Benzo[a]anthraceneMO AVG <= .17 lb/d all year
001Benzo[a]anthraceneDAILY MX <= .46 lb/d all year
0011,2-DichlorobenzeneMO AVG report only all year
0011,2-DichlorobenzeneDAILY MX report only all year
0011,2-DichlorobenzeneMO AVG <= .6 lb/d all year
0011,2-DichlorobenzeneDAILY MX <= 1.28 lb/d all year
0011,2-DichloropropaneMO AVG report only all year
0011,2-DichloropropaneDAILY MX report only all year
0011,2-DichloropropaneMO AVG <= 1.2 lb/d all year
0011,2-DichloropropaneDAILY MX <= 1.8 lb/d all year
001trans-1,2-DichloroethyleneMO AVG report only all year
001trans-1,2-DichloroethyleneDAILY MX report only all year
001trans-1,2-DichloroethyleneMO AVG <= .16 lb/d all year
001trans-1,2-DichloroethyleneDAILY MX <= .42 lb/d all year
0011,2,4-TrichlorobenzeneMO AVG report only all year
0011,2,4-TrichlorobenzeneDAILY MX report only all year
0011,2,4-TrichlorobenzeneMO AVG <= .53 lb/d all year
0011,2,4-TrichlorobenzeneDAILY MX <= 1.1 lb/d all year
0011,3-DichlorobenzeneMO AVG report only all year
0011,3-DichlorobenzeneDAILY MX report only all year
0011,3-DichlorobenzeneMO AVG <= .24 lb/d all year
0011,3-DichlorobenzeneDAILY MX <= .34 lb/d all year
0011,4-DichlorobenzeneMO AVG report only all year
0011,4-DichlorobenzeneDAILY MX report only all year
0011,4-DichlorobenzeneMO AVG <= .12 lb/d all year
0011,4-DichlorobenzeneDAILY MX <= .22 lb/d all year
0012-ChlorophenolMO AVG report only all year
0012-ChlorophenolDAILY MX report only all year
0012-ChlorophenolMO AVG <= .24 lb/d all year
0012-ChlorophenolDAILY MX <= .77 lb/d all year
0012-NitrophenolMO AVG report only all year
0012-NitrophenolDAILY MX report only all year
0012-NitrophenolMO AVG <= .32 lb/d all year
0012-NitrophenolDAILY MX <= .54 lb/d all year
0012,4-DichlorophenolMO AVG report only all year
0012,4-DichlorophenolDAILY MX report only all year
0012,4-DichlorophenolMO AVG <= .31 lb/d all year
0012,4-DichlorophenolDAILY MX <= .88 lb/d all year
0012,4-DimethylphenolMO AVG report only all year
0012,4-DimethylphenolDAILY MX report only all year
0012,4-DimethylphenolMO AVG <= .14 lb/d all year
0012,4-DimethylphenolDAILY MX <= .28 lb/d all year
0012,4-DinitrotolueneMO AVG report only all year
0012,4-DinitrotolueneDAILY MX report only all year
0012,4-DinitrotolueneMO AVG <= .8 lb/d all year
0012,4-DinitrotolueneDAILY MX <= 2.23 lb/d all year
0012,4-DinitrophenolMO AVG report only all year
0012,4-DinitrophenolDAILY MX report only all year
0012,4-DinitrophenolMO AVG <= .56 lb/d all year
0012,4-DinitrophenolDAILY MX <= .96 lb/d all year
0012,6-DinitrotolueneMO AVG report only all year
0012,6-DinitrotolueneDAILY MX report only all year
0012,6-DinitrotolueneMO AVG <= 2 lb/d all year
0012,6-DinitrotolueneDAILY MX <= 5.02 lb/d all year
0014-NitrophenolMO AVG report only all year
0014-NitrophenolDAILY MX report only all year
0014-NitrophenolMO AVG <= .56 lb/d all year
0014-NitrophenolDAILY MX <= .97 lb/d all year
0014,6-Dinitro-o-cresolMO AVG report only all year
0014,6-Dinitro-o-cresolDAILY MX report only all year
0014,6-Dinitro-o-cresolMO AVG <= .61 lb/d all year
0014,6-Dinitro-o-cresolDAILY MX <= 2.17 lb/d all year
001PhenolMO AVG report only all year
001PhenolDAILY MX report only all year
001PhenolMO AVG <= .12 lb/d all year
001PhenolDAILY MX <= .2 lb/d all year
001NaphthaleneMO AVG report only all year
001NaphthaleneDAILY MX report only all year
001NaphthaleneMO AVG <= .17 lb/d all year
001NaphthaleneDAILY MX <= .46 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .81 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 2.18 lb/d all year
001Di-n-butyl phthalateMO AVG report only all year
001Di-n-butyl phthalateDAILY MX report only all year
001Di-n-butyl phthalateMO AVG <= .21 lb/d all year
001Di-n-butyl phthalateDAILY MX <= .45 lb/d all year
001Vinyl chlorideMO AVG report only all year
001Vinyl chlorideDAILY MX report only all year
001Vinyl chlorideMO AVG <= .81 lb/d all year
001Vinyl chlorideDAILY MX <= 2.1 lb/d all year
001TrichloroethyleneMO AVG report only all year
001TrichloroethyleneDAILY MX report only all year
001TrichloroethyleneMO AVG <= .16 lb/d all year
001TrichloroethyleneDAILY MX <= .42 lb/d all year
001HexachlorobenzeneMO AVG report only all year
001HexachlorobenzeneDAILY MX report only all year
001HexachlorobenzeneMO AVG <= .12 lb/d all year
001HexachlorobenzeneDAILY MX <= .22 lb/d all year
001HexachlorobutadieneMO AVG report only all year
001HexachlorobutadieneDAILY MX report only all year
001HexachlorobutadieneMO AVG <= .16 lb/d all year
001HexachlorobutadieneDAILY MX <= .38 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
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX report only all year
0011,3-DichloropropyleneMO AVG report only all year
0011,3-DichloropropyleneDAILY MX report only all year
0011,3-DichloropropyleneMO AVG <= .23 lb/d all year
0011,3-DichloropropyleneDAILY MX <= .34 lb/d all year
001Toxicity, final conc toxicity unitsMAXIMUM <= 1.98 tox acute all year
0013,4-BenzofluorantheneMO AVG report only all year
0013,4-BenzofluorantheneDAILY MX report only all year
0013,4-BenzofluorantheneMO AVG <= .18 lb/d all year
0013,4-BenzofluorantheneDAILY MX <= .48 lb/d all year
001ChloroethaneMO AVG report only all year
001ChloroethaneDAILY MX report only all year
001ChloroethaneMO AVG <= .81 lb/d all year
001ChloroethaneDAILY MX <= 2.1 lb/d all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX report only all year
008Oil & GreaseMO AVG report only all year
008Oil & GreaseDAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, 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