AMCOL INTERNATIONAL CORPORATION

NPDES permit LA0108936 · Minor NON-POTW · administratively continued, expires 2024-06-30 · 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.

This permit expired on 2024-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 43 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (139)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 24 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 64 mg/L all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedMO AVG <= 40 mg/L all year
001Solids, total suspendedDAILY MX <= 130 mg/L all year
001Zinc, total [as Zn]MO AVG <= 789 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 1873 ug/L all year
001Carbon tetrachlorideMO AVG <= 18 ug/L all year
001Carbon tetrachlorideDAILY MX <= 38 ug/L all year
0011,2-DichloroethaneMO AVG <= 68 ug/L all year
0011,2-DichloroethaneDAILY MX <= 211 ug/L all year
001ChloroformMO AVG <= 21 ug/L all year
001ChloroformDAILY MX <= 46 ug/L all year
001TolueneMO AVG <= 26 ug/L all year
001TolueneDAILY MX <= 80 ug/L all year
001BenzeneMO AVG <= 37 ug/L all year
001BenzeneDAILY MX <= 136 ug/L all year
001AcenaphthyleneMO AVG <= 22 ug/L all year
001AcenaphthyleneDAILY MX <= 59 ug/L all year
001AcenaphtheneMO AVG <= 22 ug/L all year
001AcenaphtheneDAILY MX <= 59 ug/L all year
001AcrylonitrileMO AVG <= 96 ug/L all year
001AcrylonitrileDAILY MX <= 242 ug/L all year
001AnthraceneMO AVG <= 22 ug/L all year
001AnthraceneDAILY MX <= 59 ug/L all year
001Benzo[b]fluorantheneMO AVG <= 23 ug/L all year
001Benzo[b]fluorantheneDAILY MX <= 61 ug/L all year
001Benzo[k]fluorantheneMO AVG <= 22 ug/L all year
001Benzo[k]fluorantheneDAILY MX <= 59 ug/L all year
001Benzo[a]pyreneMO AVG <= 23 ug/L all year
001Benzo[a]pyreneDAILY MX <= 61 ug/L all year
001ChlorobenzeneMO AVG <= 15 ug/L all year
001ChlorobenzeneDAILY MX <= 28 ug/L all year
001ChryseneMO AVG <= 22 ug/L all year
001ChryseneDAILY MX <= 59 ug/L all year
001Diethyl phthalateMO AVG <= 81 ug/L all year
001Diethyl phthalateDAILY MX <= 203 ug/L all year
001Dimethyl phthalateMO AVG <= 19 ug/L all year
001Dimethyl phthalateDAILY MX <= 47 ug/L all year
001EthylbenzeneMO AVG <= 32 ug/L all year
001EthylbenzeneDAILY MX <= 108 ug/L all year
001FluorantheneMO AVG <= 25 ug/L all year
001FluorantheneDAILY MX <= 68 ug/L all year
001FluoreneMO AVG <= 22 ug/L all year
001FluoreneDAILY MX <= 59 ug/L all year
001HexachlorobutadieneMO AVG <= 9.45 ug/L all year
001HexachlorobutadieneDAILY MX <= 22.43 ug/L all year
001HexachloroethaneMO AVG <= 21 ug/L all year
001HexachloroethaneDAILY MX <= 54 ug/L all year
001Methyl chloride [Chloromethane]MO AVG <= 86 ug/L all year
001Methyl chloride [Chloromethane]DAILY MX <= 190 ug/L all year
001Methylene chlorideMO AVG <= 40 ug/L all year
001Methylene chlorideDAILY MX <= 89 ug/L all year
001NitrobenzeneMO AVG <= 27 ug/L all year
001NitrobenzeneDAILY MX <= 68 ug/L all year
001PhenanthreneMO AVG <= 22 ug/L all year
001PhenanthreneDAILY MX <= 59 ug/L all year
001PyreneMO AVG <= 25 ug/L all year
001PyreneDAILY MX <= 67 ug/L all year
001TetrachloroethyleneMO AVG <= 22 ug/L all year
001TetrachloroethyleneDAILY MX <= 56 ug/L all year
0011,1-DichloroethaneMO AVG <= 22 ug/L all year
0011,1-DichloroethaneDAILY MX <= 59 ug/L all year
0011,1-DichloroethyleneMO AVG <= 16 ug/L all year
0011,1-DichloroethyleneDAILY MX <= 25 ug/L all year
0011,1,1-TrichloroethaneMO AVG <= 21 ug/L all year
0011,1,1-TrichloroethaneDAILY MX <= 54 ug/L all year
0011,1,2-TrichloroethaneMO AVG <= 21 ug/L all year
0011,1,2-TrichloroethaneDAILY MX <= 54 ug/L all year
001Benzo[a]anthraceneMO AVG <= 22 ug/L all year
001Benzo[a]anthraceneDAILY MX <= 59 ug/L all year
0011,2-DichlorobenzeneMO AVG <= 77 ug/L all year
0011,2-DichlorobenzeneDAILY MX <= 163 ug/L all year
0011,2-DichloropropaneMO AVG <= 153 ug/L all year
0011,2-DichloropropaneDAILY MX <= 230 ug/L all year
001trans-1,2-DichloroethyleneMO AVG <= 21 ug/L all year
001trans-1,2-DichloroethyleneDAILY MX <= 54 ug/L all year
0011,2,4-TrichlorobenzeneMO AVG <= 68 ug/L all year
0011,2,4-TrichlorobenzeneDAILY MX <= 140 ug/L all year
0011,3-DichlorobenzeneMO AVG <= 31 ug/L all year
0011,3-DichlorobenzeneDAILY MX <= 44 ug/L all year
0011,4-DichlorobenzeneMO AVG <= 15 ug/L all year
0011,4-DichlorobenzeneDAILY MX <= 28 ug/L all year
0012-ChlorophenolMO AVG <= 31 ug/L all year
0012-ChlorophenolDAILY MX <= 98 ug/L all year
0012-NitrophenolMO AVG <= 41 ug/L all year
0012-NitrophenolDAILY MX <= 69 ug/L all year
0012,4-DichlorophenolMO AVG <= 39 ug/L all year
0012,4-DichlorophenolDAILY MX <= 112 ug/L all year
0012,4-DimethylphenolMO AVG <= 18 ug/L all year
0012,4-DimethylphenolDAILY MX <= 36 ug/L all year
0012,4-DinitrotolueneMO AVG <= 113 ug/L all year
0012,4-DinitrotolueneDAILY MX <= 285 ug/L all year
0012,4-DinitrophenolMO AVG <= 71 ug/L all year
0012,4-DinitrophenolDAILY MX <= 123 ug/L all year
0012,6-DinitrotolueneMO AVG <= 255 ug/L all year
0012,6-DinitrotolueneDAILY MX <= 641 ug/L all year
0014-NitrophenolMO AVG <= 72 ug/L all year
0014-NitrophenolDAILY MX <= 124 ug/L all year
0014,6-Dinitro-o-cresolMO AVG <= 78 ug/L all year
0014,6-Dinitro-o-cresolDAILY MX <= 277 ug/L all year
001PhenolMO AVG <= 15 ug/L all year
001PhenolDAILY MX <= 26 ug/L all year
001NaphthaleneMO AVG <= 22 ug/L all year
001NaphthaleneDAILY MX <= 59 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 103 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 279 ug/L all year
001Di-n-butyl phthalateMO AVG <= 27 ug/L all year
001Di-n-butyl phthalateDAILY MX <= 57 ug/L all year
001Vinyl chlorideMO AVG <= 104 ug/L all year
001Vinyl chlorideDAILY MX <= 268 ug/L all year
001TrichloroethyleneMO AVG <= 21 ug/L all year
001TrichloroethyleneDAILY MX <= 54 ug/L all year
001HexachlorobenzeneMO AVG <= .0857 ug/L all year
001HexachlorobenzeneDAILY MX <= .2041 ug/L 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
0011,3-DichloropropyleneMO AVG <= 29 ug/L all year
0011,3-DichloropropyleneDAILY MX <= 44 ug/L all year
001pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
001ChloroethaneMO AVG <= 104 ug/L all year
001ChloroethaneDAILY MX <= 268 ug/L all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitINST MAX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L 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
002Chlorine, total residualDAILY MX <= .2 mg/L all year
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitINST MAX report only all year
003pHINST MIN >= 6 SU all year
003pHINST 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

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