CHEMOURS COMPANY FC LLC, THE

NPDES permit TX0008907 · Major NON-POTW · effective, expires 2030-04-11 · 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

3values over a limit
0required values missing, on 0 form(s)
4of 28 forms filed late

Last period with anything received: 2026-07-31. Most often over: Copper, total [as Cu] (2), Solids, total suspended (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (169)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV <= 104 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 108 deg F all year
001BOD, 5-day, 20 deg. CDAILY AV <= 451 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1109 lb/d all year
001pHMINIMUM >= 5 SU all year
001pHMAXIMUM <= 11 SU all year
001Solids, total suspendedDAILY AV <= 2448 lb/d all year
001Solids, total suspendedDAILY MX <= 6208 lb/d all year
001Oil & GreaseDAILY AV <= 66.1 lb/d all year
001Oil & GreaseDAILY MX <= 103 lb/d all year
001Carbon, tot organic [TOC]DAILY AV <= 808 lb/d all year
001Carbon, tot organic [TOC]DAILY MX <= 1266 lb/d all year
001Copper, total [as Cu]DAILY AV <= 1.24 lb/d all year
001Copper, total [as Cu]DAILY MX <= 2.63 lb/d all year
001Lead, total [as Pb]DAILY AV <= 6.6 lb/d all year
001Lead, total [as Pb]DAILY MX <= 14.93 lb/d all year
001Nickel, total [as Ni]DAILY AV <= 6.28 lb/d all year
001Nickel, total [as Ni]DAILY MX <= 13.29 lb/d all year
001Carbon tetrachlorideDAILY AV <= 1.22 lb/d all year
001Carbon tetrachlorideDAILY MX <= 3.26 lb/d all year
0011,2-DichloroethaneDAILY AV <= 1.54 lb/d all year
0011,2-DichloroethaneDAILY MX <= 4.92 lb/d all year
001ChloroformDAILY AV <= .95 lb/d all year
001ChloroformDAILY MX <= 2.79 lb/d all year
001TolueneDAILY AV <= .24 lb/d all year
001TolueneDAILY MX <= .63 lb/d all year
001BenzeneDAILY AV <= .49 lb/d all year
001BenzeneDAILY MX <= 1.15 lb/d all year
001AcenaphthyleneDAILY AV <= .16 lb/d all year
001AcenaphthyleneDAILY MX <= .4 lb/d all year
001AcenaphtheneDAILY AV <= .16 lb/d all year
001AcenaphtheneDAILY MX <= .4 lb/d all year
001AcrylonitrileDAILY AV <= .81 lb/d all year
001AcrylonitrileDAILY MX <= 1.99 lb/d all year
001AnthraceneDAILY AV <= .16 lb/d all year
001AnthraceneDAILY MX <= .4 lb/d all year
001Benzo[k]fluorantheneDAILY AV <= .16 lb/d all year
001Benzo[k]fluorantheneDAILY MX <= .4 lb/d all year
001Benzo[a]pyreneDAILY AV <= .0035 lb/d all year
001Benzo[a]pyreneDAILY MX <= .0073 lb/d all year
001ChlorobenzeneDAILY AV <= 1.22 lb/d all year
001ChlorobenzeneDAILY MX <= 3.26 lb/d all year
001ChryseneDAILY AV <= .16 lb/d all year
001ChryseneDAILY MX <= .4 lb/d all year
001Diethyl phthalateDAILY AV <= .39 lb/d all year
001Diethyl phthalateDAILY MX <= .97 lb/d all year
001Dimethyl phthalateDAILY AV <= .16 lb/d all year
001Dimethyl phthalateDAILY MX <= .4 lb/d all year
001EthylbenzeneDAILY AV <= 1.22 lb/d all year
001EthylbenzeneDAILY MX <= 3.26 lb/d all year
001FluorantheneDAILY AV <= .19 lb/d all year
001FluorantheneDAILY MX <= .46 lb/d all year
001FluoreneDAILY AV <= .16 lb/d all year
001FluoreneDAILY MX <= .4 lb/d all year
001HexachlorobutadieneDAILY AV <= .304 lb/d all year
001HexachlorobutadieneDAILY MX <= .642 lb/d all year
001HexachloroethaneDAILY AV <= 1.68 lb/d all year
001HexachloroethaneDAILY MX <= 6.81 lb/d all year
001Methyl chloride [Chloromethane]DAILY AV <= .94 lb/d all year
001Methyl chloride [Chloromethane]DAILY MX <= 2.53 lb/d all year
001Methylene chlorideDAILY AV <= .31 lb/d all year
001Methylene chlorideDAILY MX <= 1.46 lb/d all year
001NitrobenzeneDAILY AV <= 19.19 lb/d all year
001NitrobenzeneDAILY MX <= 54.91 lb/d all year
001PhenanthreneDAILY AV <= .16 lb/d all year
001PhenanthreneDAILY MX <= .4 lb/d all year
001PyreneDAILY AV <= .17 lb/d all year
001PyreneDAILY MX <= .41 lb/d all year
001TetrachloroethyleneDAILY AV <= .45 lb/d all year
001TetrachloroethyleneDAILY MX <= 1.41 lb/d all year
0011,1-DichloroethaneDAILY AV <= .19 lb/d all year
0011,1-DichloroethaneDAILY MX <= .51 lb/d all year
0011,1-DichloroethyleneDAILY AV <= .19 lb/d all year
0011,1-DichloroethyleneDAILY MX <= .51 lb/d all year
0011,1,1-TrichloroethaneDAILY AV <= .19 lb/d all year
0011,1,1-TrichloroethaneDAILY MX <= .51 lb/d all year
0011,1,2-TrichloroethaneDAILY AV <= .27 lb/d all year
0011,1,2-TrichloroethaneDAILY MX <= 1.09 lb/d all year
001Benzo[a]anthraceneDAILY AV <= .035 lb/d all year
001Benzo[a]anthraceneDAILY MX <= .073 lb/d all year
0011,2-DichlorobenzeneDAILY AV <= 1.68 lb/d all year
0011,2-DichlorobenzeneDAILY MX <= 6.81 lb/d all year
0011,2-DichloropropaneDAILY AV <= 1.68 lb/d all year
0011,2-DichloropropaneDAILY MX <= 6.81 lb/d all year
001trans-1,2-DichloroethyleneDAILY AV <= .21 lb/d all year
001trans-1,2-DichloroethyleneDAILY MX <= .57 lb/d all year
0011,2,4-TrichlorobenzeneDAILY AV <= 1.68 lb/d all year
0011,2,4-TrichlorobenzeneDAILY MX <= 6.81 lb/d all year
0011,3-DichlorobenzeneDAILY AV <= 1.22 lb/d all year
0011,3-DichlorobenzeneDAILY MX <= 3.26 lb/d all year
0011,4-DichlorobenzeneDAILY AV <= 1.22 lb/d all year
0011,4-DichlorobenzeneDAILY MX <= 3.26 lb/d all year
0012-ChlorophenolDAILY MX report only all year
0012-NitrophenolDAILY AV <= .56 lb/d all year
0012-NitrophenolDAILY MX <= 1.98 lb/d all year
0012,4-DichlorophenolDAILY MX report only all year
0012,4-DimethylphenolDAILY AV <= .16 lb/d all year
0012,4-DimethylphenolDAILY MX <= .4 lb/d all year
0012,4-DinitrotolueneDAILY MX report only all year
0012,4-DinitrophenolDAILY AV <= 10.35 lb/d all year
0012,4-DinitrophenolDAILY MX <= 36.8 lb/d all year
0012,6-DinitrotolueneDAILY MX report only all year
0014-NitrophenolDAILY AV <= 1.39 lb/d all year
0014-NitrophenolDAILY MX <= 4.94 lb/d all year
0014,6-Dinitro-o-cresolDAILY AV <= .67 lb/d all year
0014,6-Dinitro-o-cresolDAILY MX <= 2.38 lb/d all year
001PhenolDAILY AV <= .16 lb/d all year
001PhenolDAILY MX <= .4 lb/d all year
001NaphthaleneDAILY AV <= .16 lb/d all year
001NaphthaleneDAILY MX <= .4 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= .81 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 2.21 lb/d all year
001Di-n-butyl phthalateDAILY AV <= .17 lb/d all year
001Di-n-butyl phthalateDAILY MX <= .37 lb/d all year
001Vinyl chlorideDAILY AV <= .83 lb/d all year
001Vinyl chlorideDAILY MX <= 1.48 lb/d all year
001TrichloroethyleneDAILY AV <= .22 lb/d all year
001TrichloroethyleneDAILY MX <= .59 lb/d all year
001HexachlorobenzeneDAILY AV <= .0009 lb/d all year
001HexachlorobenzeneDAILY MX <= .002 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 4.61 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 5.81 MGD all year
001Chlorine, total residualDAILY AV <= 24 lb/d all year
001Chlorine, total residualDAILY MX <= 39.3 lb/d all year
0011,3-DichloropropyleneDAILY AV <= 1.68 lb/d all year
0011,3-DichloropropyleneDAILY MX <= 6.81 lb/d all year
0013,4-BenzofluorantheneDAILY AV <= .17 lb/d all year
0013,4-BenzofluorantheneDAILY MX <= .41 lb/d all year
001pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
001ChloroethaneDAILY AV <= .94 lb/d all year
001ChloroethaneDAILY MX <= 2.53 lb/d all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 70 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1Whole effluent toxicity - retest #2MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TXAWhole effluent toxicity - retest #1SINGSAMP report only all year
TXAWhole effluent toxicity - retest #2SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP 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