THE CHEMOURS COMPANY FC, LLC

NPDES permit WV0002399 · Major NON-POTW · effective, expires 2030-10-23 · 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

16values over a limit
26required values missing, on 3 form(s)
75of 191 forms filed late

Last period with anything received: 2026-07-31. Most often over: Carbon, tot organic [TOC] (11), Coliform, fecal general (2), Cyanide, free [amenable to chlorination] (2).

Reporting

Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (387)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
001Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease, hexane extr methodMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX report only all year
001Carbon, tot organic [TOC]MO AVG report only all year
001Carbon, tot organic [TOC]DAILY MX report only all year
001Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableDAILY MX report only all year
001Aluminum, total recoverableMO AVG report only all year
001Aluminum, total recoverableDAILY 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
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitDAILY MX report only all year
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitDAILY MX report only all year
003Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
003Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Carbon, tot organic [TOC]MO AVG report only all year
003Carbon, tot organic [TOC]DAILY MX report only all year
003Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
003Iron, total recoverableMO AVG <= 8.48 mg/L all year
003Iron, total recoverableDAILY MX <= 24 mg/L all year
003Aluminum, total recoverableMO AVG <= 3.81 mg/L all year
003Aluminum, total recoverableDAILY MX <= 7.65 mg/L 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
013pHINST MIN report only all year
013pHINST MAX report only all year
013Solids, total suspendedMO AVG report only all year
013Solids, total suspendedDAILY MX report only all year
013Oil and grease, hexane extr methodMO AVG report only all year
013Oil and grease, hexane extr methodDAILY MX report only all year
013Iron, total recoverableMO AVG report only all year
013Iron, total recoverableDAILY MX report only all year
013Aluminum, total recoverableMO AVG report only all year
013Aluminum, total recoverableDAILY MX report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Chemical Oxygen Demand [COD]MO AVG report only all year
013Chemical Oxygen Demand [COD]DAILY MX report only all year
017Temperature, water deg. fahrenheitMO AVG report only all year
017Temperature, water deg. fahrenheitDAILY MX report only all year
017Temperature, water deg. fahrenheitMO AVG report only all year
017Temperature, water deg. fahrenheitDAILY MX report only all year
017Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
017Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
017pHINST MIN >= 6 SU all year
017pHINST MAX <= 9 SU all year
017Solids, total suspendedMO AVG report only all year
017Solids, total suspendedMO AVG report only all year
017Solids, total suspendedDAILY MX report only all year
017Solids, total suspendedDAILY MX report only all year
017Solids, total suspendedMO AVG report only all year
017Solids, total suspendedMO AVG report only all year
017Solids, total suspendedDAILY MX report only all year
017Solids, total suspendedDAILY MX report only all year
017Carbon, tot organic [TOC]MO AVG report only all year
017Carbon, tot organic [TOC]DAILY MX report only all year
017Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
017Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
017Iron, total recoverableMO AVG report only all year
017Iron, total recoverableMO AVG report only all year
017Iron, total recoverableDAILY MX report only all year
017Iron, total recoverableDAILY MX report only all year
017Aluminum, total recoverableMO AVG report only all year
017Aluminum, total recoverableMO AVG report only all year
017Aluminum, total recoverableDAILY MX report only all year
017Aluminum, total recoverableDAILY MX report only all year
017Flow, in conduit or thru treatment plantMO AVG report only all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year
021Temperature, water deg. fahrenheitMO AVG report only all year
021Temperature, water deg. fahrenheitDAILY MX report only all year
021Temperature, water deg. fahrenheitMO AVG report only all year
021Temperature, water deg. fahrenheitDAILY MX report only all year
021Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
021Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
021pHINST MIN report only all year
021pHINST MAX report only all year
021Solids, total suspendedMO AVG report only all year
021Solids, total suspendedDAILY MX report only all year
021Oil and grease, hexane extr methodMO AVG report only all year
021Oil and grease, hexane extr methodDAILY MX report only all year
021Carbon, tot organic [TOC]MO AVG report only all year
021Carbon, tot organic [TOC]DAILY MX report only all year
021Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
021Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
021Iron, total recoverableMO AVG report only all year
021Iron, total recoverableDAILY MX report only all year
021Aluminum, total recoverableMO AVG report only all year
021Aluminum, total recoverableDAILY MX report only all year
021Flow, in conduit or thru treatment plantMO AVG report only all year
021Flow, in conduit or thru treatment plantDAILY MX report only all year
028Temperature, water deg. fahrenheitMO AVG <= 93 deg F all year
028Temperature, water deg. fahrenheitDAILY MX <= 100 deg F all year
028Temperature, water deg. fahrenheitMO AVG report only all year
028Temperature, water deg. fahrenheitDAILY MX report only all year
028Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
028Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
028Oxygen, dissolved [DO]INST MIN report only all year
028Oxygen, dissolved [DO]INST MAX report only all year
028BOD, 5-day, 20 deg. CMO AVG report only all year
028BOD, 5-day, 20 deg. CMO AVG report only all year
028BOD, 5-day, 20 deg. CDAILY MX report only all year
028BOD, 5-day, 20 deg. CDAILY MX report only all year
028pHINST MIN >= 6 SU all year
028pHINST MAX <= 9 SU all year
028Solids, total suspendedMO AVG report only all year
028Solids, total suspendedDAILY MX report only all year
028Carbon, tot organic [TOC]MO AVG report only all year
028Carbon, tot organic [TOC]DAILY MX report only all year
028Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
028Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
028Iron, total recoverableMO AVG report only all year
028Iron, total recoverableMO AVG report only all year
028Iron, total recoverableDAILY MX report only all year
028Iron, total recoverableDAILY MX report only all year
028Selenium, total recoverableMO AVG report only all year
028Selenium, total recoverableMO AVG report only all year
028Selenium, total recoverableDAILY MX report only all year
028Selenium, total recoverableDAILY MX report only all year
028Aluminum, total recoverableMO AVG report only all year
028Aluminum, total recoverableDAILY MX report only all year
028Flow, in conduit or thru treatment plantMO AVG report only all year
028Flow, in conduit or thru treatment plantDAILY MX report only all year
044Temperature, water deg. fahrenheitMO AVG report only all year
044Temperature, water deg. fahrenheitDAILY MX report only all year
044Temperature, water deg. fahrenheitMO AVG report only all year
044Temperature, water deg. fahrenheitDAILY MX report only all year
044Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
044Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
044pHINST MIN >= 6 SU all year
044pHINST MAX <= 9 SU all year
044Solids, total suspendedMO AVG report only all year
044Solids, total suspendedDAILY MX report only all year
044Carbon, tot organic [TOC]MO AVG report only all year
044Carbon, tot organic [TOC]DAILY MX report only all year
044Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
044Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
044Iron, total recoverableMO AVG <= 8.87 mg/L all year
044Iron, total recoverableDAILY MX <= 24.1 mg/L all year
044Aluminum, total recoverableMO AVG <= 3.81 mg/L all year
044Aluminum, total recoverableDAILY MX <= 7.65 mg/L all year
044Flow, in conduit or thru treatment plantMO AVG report only all year
044Flow, in conduit or thru treatment plantDAILY MX report only all year
046Temperature, water deg. fahrenheitMO AVG report only all year
046Temperature, water deg. fahrenheitDAILY MX report only all year
046Temperature, water deg. fahrenheitMO AVG report only all year
046Temperature, water deg. fahrenheitDAILY MX report only all year
046Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
046Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
046pHINST MIN >= 6 SU all year
046pHINST MAX <= 9 SU all year
046Solids, total suspendedMO AVG report only all year
046Solids, total suspendedMO AVG report only all year
046Solids, total suspendedDAILY MX report only all year
046Solids, total suspendedDAILY MX report only all year
046Carbon, tot organic [TOC]MO AVG report only all year
046Carbon, tot organic [TOC]DAILY MX report only all year
046Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
046Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
046Iron, total recoverableMO AVG report only all year
046Iron, total recoverableMO AVG report only all year
046Iron, total recoverableDAILY MX report only all year
046Iron, total recoverableDAILY MX report only all year
046Aluminum, total recoverableMO AVG report only all year
046Aluminum, total recoverableMO AVG report only all year
046Aluminum, total recoverableDAILY MX report only all year
046Aluminum, total recoverableDAILY MX report only all year
046Flow, in conduit or thru treatment plantMO AVG report only all year
046Flow, in conduit or thru treatment plantDAILY MX report only all year
055Temperature, water deg. fahrenheitDAILY AV <= 93 deg F all year
055Temperature, water deg. fahrenheitINST MAX <= 100 deg F all year
055Temperature, water deg. fahrenheitMO AVG report only all year
055Temperature, water deg. fahrenheitDAILY MX report only all year
055Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
055Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
055Oxygen, dissolved [DO]INST MIN report only all year
055Oxygen, dissolved [DO]MO AVG report only all year
055Oxygen, dissolved [DO]INST MAX report only all year
055BOD, 5-day, 20 deg. CMO AVG report only all year
055BOD, 5-day, 20 deg. CMO AVG report only all year
055BOD, 5-day, 20 deg. CDAILY MX report only all year
055BOD, 5-day, 20 deg. CDAILY MX report only all year
055pHINST MIN >= 6 SU all year
055pHINST MAX <= 9 SU all year
055Solids, total suspendedMO AVG report only all year
055Solids, total suspendedDAILY MX report only all year
055Carbon, tot organic [TOC]MO AVG report only all year
055Carbon, tot organic [TOC]DAILY MX report only all year
055Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
055Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
055Iron, total recoverableMO AVG report only all year
055Iron, total recoverableDAILY MX report only all year
055Selenium, total recoverableMO AVG report only all year
055Selenium, total recoverableMO AVG report only all year
055Selenium, total recoverableDAILY MX report only all year
055Selenium, total recoverableDAILY MX report only all year
055Aluminum, total recoverableMO AVG report only all year
055Aluminum, total recoverableDAILY MX report only all year
055Flow, in conduit or thru treatment plantMO AVG report only all year
055Flow, in conduit or thru treatment plantDAILY MX report only all year
056pHINST MIN report only all year
056pHINST MAX report only all year
056Solids, total suspendedMO AVG report only all year
056Solids, total suspendedDAILY MX report only all year
056Oil and grease, hexane extr methodMO AVG report only all year
056Oil and grease, hexane extr methodDAILY MX report only all year
056Iron, total recoverableMO AVG report only all year
056Iron, total recoverableDAILY MX report only all year
056Aluminum, total recoverableMO AVG report only all year
056Aluminum, total recoverableDAILY MX report only all year
056Flow, in conduit or thru treatment plantMO AVG report only all year
056Flow, in conduit or thru treatment plantDAILY MX report only all year
056Chemical Oxygen Demand [COD]MO AVG report only all year
056Chemical Oxygen Demand [COD]DAILY MX report only all year
061Temperature, water deg. fahrenheitMO AVG report only all year
061Temperature, water deg. fahrenheitDAILY MX report only all year
061Temperature, water deg. fahrenheitMO AVG report only all year
061Temperature, water deg. fahrenheitDAILY MX report only all year
061Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
061Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
061pHINST MIN >= 6 SU all year
061pHINST MAX <= 9 SU all year
061Solids, total suspendedMO AVG report only all year
061Solids, total suspendedDAILY MX report only all year
061Carbon, tot organic [TOC]MO AVG report only all year
061Carbon, tot organic [TOC]DAILY MX report only all year
061Carbon, tot organic [TOC]MO AVG <= 4 mg/L all year
061Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
061Iron, total recoverableMO AVG report only all year
061Iron, total recoverableMO AVG report only all year
061Iron, total recoverableDAILY MX report only all year
061Iron, total recoverableDAILY MX report only all year
061Aluminum, total recoverableMO AVG report only all year
061Aluminum, total recoverableMO AVG report only all year
061Aluminum, total recoverableDAILY MX report only all year
061Aluminum, total recoverableDAILY MX report only all year
061Flow, in conduit or thru treatment plantMO AVG report only all year
061Flow, in conduit or thru treatment plantDAILY MX report only all year
062BOD, 5-day, 20 deg. CMO AVG report only all year
062BOD, 5-day, 20 deg. CDAILY MX report only all year
062BOD, 5-day, 20 deg. CMO AVG <= 413 lb/d all year
062BOD, 5-day, 20 deg. CDAILY MX <= 1107 lb/d all year
062pHINST MIN report only all year
062pHINST MAX report only all year
062Solids, total suspendedMO AVG report only all year
062Solids, total suspendedDAILY MX report only all year
062Solids, total suspendedMO AVG <= 552 lb/d all year
062Solids, total suspendedDAILY MX <= 1778 lb/d all year
062Nitrogen, ammonia total [as N]MO AVG report only all year
062Nitrogen, ammonia total [as N]MO AVG report only all year
062Nitrogen, ammonia total [as N]DAILY MX report only all year
062Nitrogen, ammonia total [as N]DAILY MX report only all year
062Nitrogen, ammonia total [as N]MO AVG report only all year
062Nitrogen, ammonia total [as N]MO AVG report only all year
062Nitrogen, ammonia total [as N]DAILY MX report only all year
062Nitrogen, ammonia total [as N]DAILY MX report only all year
062Nitrogen, nitrite total [as N]MO AVG report only all year
062Nitrogen, nitrite total [as N]MO AVG report only all year
062Nitrogen, nitrite total [as N]DAILY MX report only all year
062Nitrogen, nitrite total [as N]DAILY MX report only all year
062Cyanide, total [as CN]MO AVG report only all year
062Cyanide, total [as CN]DAILY MX report only all year
062Cyanide, total [as CN]MO AVG <= 2.83 lb/d all year
062Cyanide, total [as CN]DAILY MX <= 6.31 lb/d all year
062Cyanide, free [amenable to chlorination]MO AVG <= .26 mg/L all year
062Cyanide, free [amenable to chlorination]DAILY MX <= .4 mg/L all year
062Cyanide, free [amenable to chlorination]MO AVG report only all year
062Cyanide, free [amenable to chlorination]DAILY MX report only all year
062Chloride [as Cl]MO AVG report only all year
062Chloride [as Cl]MO AVG report only all year
062Chloride [as Cl]DAILY MX report only all year
062Chloride [as Cl]DAILY MX report only all year
062Iron, total recoverableMO AVG report only all year
062Iron, total recoverableDAILY MX report only all year
062Zinc, total recoverableMO AVG report only all year
062Zinc, total recoverableMO AVG report only all year
062Zinc, total recoverableDAILY MX report only all year
062Zinc, total recoverableDAILY MX report only all year
062Aluminum, total recoverableMO AVG report only all year
062Aluminum, total recoverableDAILY MX report only all year
062Copper, total recoverableMO AVG report only all year
062Copper, total recoverableMO AVG report only all year
062Copper, total recoverableDAILY MX report only all year
062Copper, total recoverableDAILY MX report only all year
062Carbon tetrachlorideMO AVG report only all year
062Carbon tetrachlorideDAILY MX report only all year
062Carbon tetrachlorideMO AVG <= .187 lb/d all year
062Carbon tetrachlorideDAILY MX <= .394 lb/d all year
062ChloroformMO AVG report only all year
062ChloroformDAILY MX report only all year
062ChloroformMO AVG <= .218 lb/d all year
062ChloroformDAILY MX <= .477 lb/d all year
062Methyl chloride [Chloromethane]MO AVG report only all year
062Methyl chloride [Chloromethane]DAILY MX report only all year
062Methyl chloride [Chloromethane]MO AVG <= .893 lb/d all year
062Methyl chloride [Chloromethane]DAILY MX <= 1.972 lb/d all year
0624-NitrophenolMO AVG report only all year
0624-NitrophenolDAILY MX report only all year
0624-NitrophenolMO AVG <= .747 lb/d all year
0624-NitrophenolDAILY MX <= 1.287 lb/d all year
062Flow, in conduit or thru treatment plantMO AVG report only all year
062Flow, in conduit or thru treatment plantDAILY MX report only all year
062Toxicity [acute], Ceriodaphnia dubiaMO AVG report only all year
062Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
062Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only all year
062Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
062Coliform, fecal generalMO AVG <= 200 #/100mL all year
062Coliform, fecal generalDAILY MX <= 400 #/100mL all year
062pH range excursions, > 60 minutesMO MAX <= 0 occur/mo all year
062pH range excursions, monthly total accumMO TOTAL <= 446 min all year
063Cyanide, free [amenable to chlorination]MO AVG <= .03 mg/L all year
063Cyanide, free [amenable to chlorination]DAILY MX <= .065 mg/L all year
063Chloride [as Cl]MO AVG <= 724 mg/L all year
063Chloride [as Cl]DAILY MX <= 2568 mg/L all year
063Zinc, total recoverableMO AVG <= .126 mg/L all year
063Zinc, total recoverableDAILY MX <= .252 mg/L all year
063Flow, in conduit or thru treatment plantMO AVG report only all year
063Flow, in conduit or thru treatment plantDAILY MX report only all year
063Toxicity [acute], Ceriodaphnia dubiaMO AVG <= .5 tox acute all year
063Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
070pHINST MIN report only all year
070pHINST MAX report only all year
070Solids, total suspendedMO AVG report only all year
070Solids, total suspendedDAILY MX report only all year
070Oil and grease, hexane extr methodMO AVG report only all year
070Oil and grease, hexane extr methodDAILY MX report only all year
070Iron, total recoverableMO AVG report only all year
070Iron, total recoverableDAILY MX report only all year
070Selenium, total recoverableMO AVG report only all year
070Selenium, total recoverableDAILY MX report only all year
070Aluminum, total recoverableMO AVG report only all year
070Aluminum, total recoverableDAILY MX report only all year
070Flow, in conduit or thru treatment plantMO AVG report only all year
070Flow, in conduit or thru treatment plantDAILY MX report only all year
070Chemical Oxygen Demand [COD]MO AVG report only all year
070Chemical Oxygen Demand [COD]DAILY MX report only all year
075pHINST MIN report only all year
075pHINST MAX report only all year
075Solids, total suspendedMO AVG report only all year
075Solids, total suspendedDAILY MX report only all year
075Oil and grease, hexane extr methodMO AVG report only all year
075Oil and grease, hexane extr methodDAILY MX report only all year
075Iron, total recoverableMO AVG report only all year
075Iron, total recoverableDAILY MX report only all year
075Selenium, total recoverableMO AVG report only all year
075Selenium, total recoverableDAILY MX report only all year
075Aluminum, total recoverableMO AVG report only all year
075Aluminum, total recoverableDAILY MX report only all year
075Flow, in conduit or thru treatment plantMO AVG report only all year
075Flow, in conduit or thru treatment plantDAILY MX report only all year
075Chemical Oxygen Demand [COD]MO AVG report only all year
075Chemical Oxygen Demand [COD]DAILY MX report only all year
080pHINST MIN report only all year
080pHINST MAX report only all year
080Solids, total suspendedMO AVG report only all year
080Solids, total suspendedDAILY MX report only all year
080Oil and grease, hexane extr methodMO AVG report only all year
080Oil and grease, hexane extr methodDAILY MX report only all year
080Iron, total recoverableMO AVG report only all year
080Iron, total recoverableDAILY MX report only all year
080Selenium, total recoverableMO AVG report only all year
080Selenium, total recoverableDAILY MX report only all year
080Aluminum, total recoverableMO AVG report only all year
080Aluminum, total recoverableDAILY MX report only all year
080Flow, in conduit or thru treatment plantMO AVG report only all year
080Flow, in conduit or thru treatment plantDAILY MX report only all year
080Chemical Oxygen Demand [COD]MO AVG report only all year
080Chemical Oxygen Demand [COD]DAILY MX report only all year
INTCarbon, tot organic [TOC]MO AVG report only all year
INTCarbon, tot organic [TOC]DAILY MX report only all year

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