Durez Corporation

NPDES permit OH0006769 · Major NON-POTW · effective, expires 2029-01-31 · 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)
9of 25 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (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 (286)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 7 mg/L May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 20.5 kg/d all year
001Solids, total suspendedDAILY MX <= 30.7 kg/d all year
001Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 8 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 12 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 2.25 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 5.46 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.03 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 8.18 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 1.54 kg/d May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Strontium, total recoverable, ug/LMO AVG report only Mar, Jun, Aug, Dec
001Strontium, total recoverable, ug/LDAILY MX report only Mar, Jun, Aug, Dec
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
001E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coli, MTEC-MFDAILY MX <= 284 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001Carbon tetrachlorideMO AVG <= 14 ug/L Sep
001Carbon tetrachlorideDAILY MX <= 29 ug/L Sep
001Carbon tetrachlorideMO AVG <= .008 kg/d Sep
001Carbon tetrachlorideDAILY MX <= .016 kg/d Sep
0011,2-DichloroethaneMO AVG <= 52 ug/L Sep
0011,2-DichloroethaneDAILY MX <= 162 ug/L Sep
0011,2-DichloroethaneMO AVG <= .029 kg/d Sep
0011,2-DichloroethaneDAILY MX <= .092 kg/d Sep
001ChloroformMO AVG <= 16 ug/L Sep
001ChloroformDAILY MX <= 35 ug/L Sep
001ChloroformMO AVG <= .009 kg/d Sep
001ChloroformDAILY MX <= .02 kg/d Sep
001TolueneMO AVG <= 18 ug/L Sep
001TolueneDAILY MX <= 49 ug/L Sep
001TolueneMO AVG <= .01 kg/d Sep
001TolueneDAILY MX <= .027 kg/d Sep
001BenzeneMO AVG <= 28 ug/L Sep
001BenzeneDAILY MX <= 105 ug/L Sep
001BenzeneMO AVG <= .016 kg/d Sep
001BenzeneDAILY MX <= .059 kg/d Sep
001Oxidants, total residualDAILY MX <= .0043 mg/L all year
001AcenaphthyleneMO AVG <= 17 ug/L Sep
001AcenaphthyleneDAILY MX <= 45 ug/L Sep
001AcenaphthyleneMO AVG <= .009 kg/d Sep
001AcenaphthyleneDAILY MX <= .025 kg/d Sep
001AcenaphtheneMO AVG <= 17 ug/L Sep
001AcenaphtheneDAILY MX <= 38 ug/L Sep
001AcenaphtheneMO AVG <= .009 kg/d Sep
001AcenaphtheneDAILY MX <= .022 kg/d Sep
001AcrylonitrileMO AVG <= 74 ug/L Sep
001AcrylonitrileDAILY MX <= 186 ug/L Sep
001AcrylonitrileMO AVG <= .042 kg/d Sep
001AcrylonitrileDAILY MX <= .105 kg/d Sep
001AnthraceneMO AVG <= .034 ug/L Sep
001AnthraceneDAILY MX <= .35 ug/L Sep
001AnthraceneMO AVG <= .00002 kg/d Sep
001AnthraceneDAILY MX <= .0002 kg/d Sep
001Benzo[b]fluorantheneMO AVG <= 2.8 ug/L Sep
001Benzo[b]fluorantheneDAILY MX <= 47 ug/L Sep
001Benzo[b]fluorantheneMO AVG <= .002 kg/d Sep
001Benzo[b]fluorantheneDAILY MX <= .027 kg/d Sep
001Benzo[k]fluorantheneMO AVG <= 2.8 ug/L Sep
001Benzo[k]fluorantheneDAILY MX <= 45 ug/L Sep
001Benzo[k]fluorantheneMO AVG <= .002 kg/d Sep
001Benzo[k]fluorantheneDAILY MX <= .025 kg/d Sep
001Benzo[a]pyreneMO AVG <= 20 ug/L Sep
001Benzo[a]pyreneDAILY MX <= 52 ug/L Sep
001Benzo[a]pyreneMO AVG <= .012 kg/d Sep
001Benzo[a]pyreneDAILY MX <= .031 kg/d Sep
001ChlorobenzeneMO AVG <= 12 ug/L Sep
001ChlorobenzeneDAILY MX <= 22 ug/L Sep
001ChlorobenzeneMO AVG <= .012 kg/d Sep
001ChlorobenzeneDAILY MX <= .012 kg/d Sep
001ChryseneMO AVG <= 2.8 ug/L Sep
001ChryseneDAILY MX <= 45 ug/L Sep
001ChryseneMO AVG <= .002 kg/d Sep
001ChryseneDAILY MX <= .025 kg/d Sep
001Diethyl phthalateMO AVG <= 62 ug/L Sep
001Diethyl phthalateDAILY MX <= 156 ug/L Sep
001Diethyl phthalateMO AVG <= .035 kg/d Sep
001Diethyl phthalateDAILY MX <= .088 kg/d Sep
001Dimethyl phthalateMO AVG <= 15 ug/L Sep
001Dimethyl phthalateDAILY MX <= 36 ug/L Sep
001Dimethyl phthalateMO AVG <= .008 kg/d Sep
001Dimethyl phthalateDAILY MX <= .02 kg/d Sep
001EthylbenzeneMO AVG <= 25 ug/L Sep
001EthylbenzeneDAILY MX <= 83 ug/L Sep
001EthylbenzeneMO AVG <= .014 kg/d Sep
001EthylbenzeneDAILY MX <= .047 kg/d Sep
001FluorantheneMO AVG <= 1.4 ug/L Sep
001FluorantheneDAILY MX <= 7.4 ug/L Sep
001FluorantheneMO AVG <= .0008 kg/d Sep
001FluorantheneDAILY MX <= .004 kg/d Sep
001FluoreneMO AVG <= 17 ug/L Sep
001FluoreneDAILY MX <= 45 ug/L Sep
001FluoreneMO AVG <= .009 kg/d Sep
001FluoreneDAILY MX <= .025 kg/d Sep
001HexachloroethaneMO AVG <= 16 ug/L Sep
001HexachloroethaneDAILY MX <= 42 ug/L Sep
001HexachloroethaneMO AVG <= .009 kg/d Sep
001HexachloroethaneDAILY MX <= .023 kg/d Sep
001Methyl chloride [Chloromethane]MO AVG <= 66 ug/L Sep
001Methyl chloride [Chloromethane]DAILY MX <= 146 ug/L Sep
001Methyl chloride [Chloromethane]MO AVG <= .037 kg/d Sep
001Methyl chloride [Chloromethane]DAILY MX <= .083 kg/d Sep
001Methylene chlorideMO AVG <= 31 ug/L Sep
001Methylene chlorideDAILY MX <= 69 ug/L Sep
001Methylene chlorideMO AVG <= .017 kg/d Sep
001Methylene chlorideDAILY MX <= .039 kg/d Sep
001NitrobenzeneMO AVG <= 21 ug/L Sep
001NitrobenzeneDAILY MX <= 52 ug/L Sep
001NitrobenzeneMO AVG <= .012 kg/d Sep
001NitrobenzeneDAILY MX <= .029 kg/d Sep
001PhenanthreneMO AVG <= 3.9 ug/L Sep
001PhenanthreneDAILY MX <= 45 ug/L Sep
001PhenanthreneMO AVG <= .003 kg/d Sep
001PhenanthreneDAILY MX <= .028 kg/d Sep
001PyreneMO AVG <= 7.9 ug/L Sep
001PyreneDAILY MX <= 49 ug/L Sep
001PyreneMO AVG <= .005 kg/d Sep
001PyreneDAILY MX <= .027 kg/d Sep
001TetrachloroethyleneMO AVG <= 17 ug/L Sep
001TetrachloroethyleneDAILY MX <= 43 ug/L Sep
001TetrachloroethyleneMO AVG <= .009 kg/d Sep
001TetrachloroethyleneDAILY MX <= .024 kg/d Sep
0011,1-DichloroethaneMO AVG <= 17 ug/L Sep
0011,1-DichloroethaneDAILY MX <= 45 ug/L Sep
0011,1-DichloroethaneMO AVG <= .009 kg/d Sep
0011,1-DichloroethaneDAILY MX <= .025 kg/d Sep
0011,1-DichloroethyleneMO AVG <= 12 ug/L Sep
0011,1-DichloroethyleneDAILY MX <= 19 ug/L Sep
0011,1-DichloroethyleneMO AVG <= .007 kg/d Sep
0011,1-DichloroethyleneDAILY MX <= .01 kg/d Sep
0011,1,1-TrichloroethaneMO AVG <= 16 ug/L Sep
0011,1,1-TrichloroethaneDAILY MX <= 42 ug/L Sep
0011,1,1-TrichloroethaneMO AVG <= .009 kg/d Sep
0011,1,1-TrichloroethaneDAILY MX <= .023 kg/d Sep
0011,1,2-TrichloroethaneMO AVG <= 16 ug/L Sep
0011,1,2-TrichloroethaneDAILY MX <= 42 ug/L Sep
0011,1,2-TrichloroethaneMO AVG <= .009 kg/d Sep
0011,1,2-TrichloroethaneDAILY MX <= .023 kg/d Sep
001Benzo[a]anthraceneMO AVG <= 2.8 ug/L Sep
001Benzo[a]anthraceneDAILY MX <= 45 ug/L Sep
001Benzo[a]anthraceneMO AVG <= .002 kg/d Sep
001Benzo[a]anthraceneDAILY MX <= .025 kg/d Sep
0011,2-DichlorobenzeneMO AVG <= 30 ug/L Sep
0011,2-DichlorobenzeneDAILY MX <= 125 ug/L Sep
0011,2-DichlorobenzeneMO AVG <= .017 kg/d Sep
0011,2-DichlorobenzeneDAILY MX <= .071 kg/d Sep
0011,2-DichloropropaneMO AVG <= 132 ug/L Sep
0011,2-DichloropropaneDAILY MX <= 198 ug/L Sep
0011,2-DichloropropaneMO AVG <= .077 kg/d Sep
0011,2-DichloropropaneDAILY MX <= .116 kg/d Sep
001trans-1,2-DichloroethyleneMO AVG <= 16 ug/L Sep
001trans-1,2-DichloroethyleneDAILY MX <= 42 ug/L Sep
001trans-1,2-DichloroethyleneMO AVG <= .009 kg/d Sep
001trans-1,2-DichloroethyleneDAILY MX <= .025 kg/d Sep
0011,2,4-TrichlorobenzeneMO AVG <= 52 ug/L Sep
0011,2,4-TrichlorobenzeneDAILY MX <= 108 ug/L Sep
0011,2,4-TrichlorobenzeneMO AVG <= .029 kg/d Sep
0011,2,4-TrichlorobenzeneDAILY MX <= .061 kg/d Sep
0011,3-DichlorobenzeneMO AVG <= 24 ug/L Sep
0011,3-DichlorobenzeneDAILY MX <= 34 ug/L Sep
0011,3-DichlorobenzeneMO AVG <= .013 kg/d Sep
0011,3-DichlorobenzeneDAILY MX <= .019 kg/d Sep
0011,4-DichlorobenzeneMO AVG <= 12 ug/L Sep
0011,4-DichlorobenzeneDAILY MX <= 22 ug/L Sep
0011,4-DichlorobenzeneMO AVG <= .007 kg/d Sep
0011,4-DichlorobenzeneDAILY MX <= .012 kg/d Sep
0012-ChlorophenolMO AVG <= 24 ug/L Sep
0012-ChlorophenolDAILY MX <= 75 ug/L Sep
0012-ChlorophenolMO AVG <= .014 kg/d Sep
0012-ChlorophenolDAILY MX <= .042 kg/d Sep
0012-NitrophenolMO AVG <= 32 ug/L Sep
0012-NitrophenolDAILY MX <= 53 ug/L Sep
0012-NitrophenolMO AVG <= .018 kg/d Sep
0012-NitrophenolDAILY MX <= .03 kg/d Sep
0012,4-DichlorophenolMO AVG <= 19 ug/L Sep
0012,4-DichlorophenolDAILY MX <= 86 ug/L Sep
0012,4-DichlorophenolMO AVG <= .011 kg/d Sep
0012,4-DichlorophenolDAILY MX <= .048 kg/d Sep
0012,4-DimethylphenolMO AVG <= 14 ug/L Sep
0012,4-DimethylphenolDAILY MX <= 28 ug/L Sep
0012,4-DimethylphenolMO AVG <= .008 kg/d Sep
0012,4-DimethylphenolDAILY MX <= .016 kg/d Sep
0012,4-DinitrotolueneMO AVG <= 75 ug/L Sep
0012,4-DinitrotolueneDAILY MX <= 219 ug/L Sep
0012,4-DinitrotolueneMO AVG <= .049 kg/d Sep
0012,4-DinitrotolueneDAILY MX <= .124 kg/d Sep
0012,4-DinitrophenolMO AVG <= 55 ug/L Sep
0012,4-DinitrophenolDAILY MX <= 95 ug/L Sep
0012,4-DinitrophenolMO AVG <= .031 kg/d Sep
0012,4-DinitrophenolDAILY MX <= .054 kg/d Sep
0012,6-DinitrotolueneMO AVG <= 120 ug/L Sep
0012,6-DinitrotolueneDAILY MX <= 493 ug/L Sep
0012,6-DinitrotolueneMO AVG <= .068 kg/d Sep
0012,6-DinitrotolueneDAILY MX <= .279 kg/d Sep
0014-NitrophenolMO AVG <= 55 ug/L Sep
0014-NitrophenolDAILY MX <= 95 ug/L Sep
0014-NitrophenolMO AVG <= .031 kg/d Sep
0014-NitrophenolDAILY MX <= .054 kg/d Sep
0014,6-Dinitro-o-cresolMO AVG <= 60 ug/L Sep
0014,6-Dinitro-o-cresolDAILY MX <= 213 ug/L Sep
0014,6-Dinitro-o-cresolMO AVG <= .034 kg/d Sep
0014,6-Dinitro-o-cresolDAILY MX <= .121 kg/d Sep
001PhenolMO AVG <= 12 ug/L Sep
001PhenolDAILY MX <= 20 ug/L Sep
001PhenolMO AVG <= .007 kg/d Sep
001PhenolDAILY MX <= .011 kg/d Sep
001NaphthaleneMO AVG <= 17 ug/L Sep
001NaphthaleneDAILY MX <= 45 ug/L Sep
001NaphthaleneMO AVG <= .009 kg/d Sep
001NaphthaleneDAILY MX <= .025 kg/d Sep
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 13 ug/L Sep
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 215 ug/L Sep
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .008 kg/d Sep
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .121 kg/d Sep
001Di-n-butyl phthalateMO AVG <= 21 ug/L Sep
001Di-n-butyl phthalateDAILY MX <= 44 ug/L Sep
001Di-n-butyl phthalateMO AVG <= .012 kg/d Sep
001Di-n-butyl phthalateDAILY MX <= .024 kg/d Sep
001Vinyl chlorideMO AVG <= 80 ug/L Sep
001Vinyl chlorideDAILY MX <= 206 ug/L Sep
001Vinyl chlorideMO AVG <= .045 kg/d Sep
001Vinyl chlorideDAILY MX <= .117 kg/d Sep
001TrichloroethyleneMO AVG <= 16 ug/L Sep
001TrichloroethyleneDAILY MX <= 42 ug/L Sep
001TrichloroethyleneMO AVG <= .009 kg/d Sep
001TrichloroethyleneDAILY MX <= .023 kg/d Sep
001HexachlorobenzeneMO AVG <= 12 ug/L Sep
001HexachlorobenzeneDAILY MX <= 22 ug/L Sep
001HexachlorobenzeneMO AVG <= .007 kg/d Sep
001HexachlorobenzeneDAILY MX <= .012 kg/d Sep
001HexachlorobutadieneMO AVG <= 15 ug/L Sep
001HexachlorobutadieneDAILY MX <= 38 ug/L Sep
001HexachlorobutadieneMO AVG <= .008 kg/d Sep
001HexachlorobutadieneDAILY MX <= .021 kg/d Sep
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Mercury, total low levelMO AVG report only Mar, Jun, Aug, Dec
001Mercury, total low levelDAILY MX report only Mar, Jun, Aug, Dec
001Cyanide, free availableMO AVG report only all year
001Cyanide, free availableDAILY MX report only all year
001Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Sep
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Sep
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only Sep
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only Sep
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
0011,3-DichloropropeneMO AVG <= 2.9 ug/L Sep
0011,3-DichloropropeneDAILY MX <= 30 ug/L Sep
0011,3-DichloropropeneMO AVG <= .00198 kg/d Sep
0011,3-DichloropropeneDAILY MX <= .0205 kg/d Sep
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 38 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 6.82 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 17.1 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 10.3 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 25.9 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001ChloroethaneMO AVG <= 80 ug/L Sep
001ChloroethaneDAILY MX <= 206 ug/L Sep
001ChloroethaneMO AVG <= .045 kg/d Sep
001ChloroethaneDAILY MX <= .117 kg/d Sep
602Zinc, total recoverableMO AVG report only all year
602Zinc, total recoverableDAILY MX report only all year
602Flow, in conduit or thru treatment plantMO AVG report only all year
602Flow, in conduit or thru treatment plantDAILY MX report only all year
602FormaldehydeMO AVG report only all year
602FormaldehydeDAILY MX report only all year
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Sep
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Sep
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG report only Sep
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX report only Sep
901%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Sep
901%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Sep
902%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG report only Sep
902%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX report only Sep

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