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Kraton Polymers US LLC

Synthetic Rubber, major discharger, Belpre, Ohio. NPDES permit OH0007030, in force until Feb 28, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (15 values), outfall 003 form A monthly (37 values), outfall 004 form A monthly (2 values), outfall 800 form A monthly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (284)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Oxygen demand, chem. [low level] [COD]monthly averagereport only (mg/L)all year001
Oxygen demand, chem. [low level] [COD]daily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year001
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .038 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 24 mg/Lall year003
BOD, 5-day, 20 deg. Cdaily maximum≤ 64 mg/Lall year003
BOD, 5-day, 20 deg. Cmonthly average≤ 82 kg/dall year003
BOD, 5-day, 20 deg. Cdaily maximum≤ 218 kg/dall year003
Oxygen demand, chem. [low level] [COD]monthly averagereport only (mg/L)all year003
Oxygen demand, chem. [low level] [COD]daily maximumreport only (mg/L)all year003
pHdaily minimum≥ 6 SUall year003
pHdaily maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 40 mg/Lall year003
Solids, total suspendeddaily maximum≤ 130 mg/Lall year003
Solids, total suspendedmonthly average≤ 136 kg/dall year003
Solids, total suspendeddaily maximum≤ 443 kg/dall year003
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year003
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year003
Cyanide, total [as CN]monthly average≤ .42 mg/LAug003
Cyanide, total [as CN]daily maximum≤ 1.2 mg/LAug003
Cyanide, total [as CN]monthly average≤ 1.5 kg/dAug003
Cyanide, total [as CN]daily maximum≤ 4.3 kg/dAug003
Cobalt, total recoverablemonthly averagereport only (ug/L)all year003
Cobalt, total recoverabledaily maximumreport only (ug/L)all year003
Nickel, total recoverablemonthly average≤ 351 ug/Lall year003
Nickel, total recoverabledaily maximum≤ 827 ug/Lall year003
Nickel, total recoverablemonthly average≤ 1.2 kg/dall year003
Nickel, total recoverabledaily maximum≤ 2.82 kg/dall year003
Zinc, total recoverablemonthly average≤ 218 ug/Lall year003
Zinc, total recoverabledaily maximum≤ 280 ug/Lall year003
Zinc, total recoverablemonthly average≤ .743 kg/dall year003
Zinc, total recoverabledaily maximum≤ .954 kg/dall year003
Lead, total recoverablemonthly average≤ 67 ug/Lall year003
Lead, total recoverabledaily maximum≤ 143 ug/Lall year003
Lead, total recoverablemonthly average≤ .228 kg/dall year003
Lead, total recoverabledaily maximum≤ .487 kg/dall year003
Chromium, total recoverablemonthly average≤ 231 ug/Lall year003
Chromium, total recoverabledaily maximum≤ 576 ug/Lall year003
Chromium, total recoverablemonthly average≤ .79 kg/dall year003
Chromium, total recoverabledaily maximum≤ 1.96 kg/dall year003
Copper, total recoverabledaily maximum≤ 33 ug/Lall year003
Copper, total recoverabledaily maximum≤ .112 kg/dall year003
Carbon tetrachloridemonthly average≤ 18 ug/LAug003
Carbon tetrachloridedaily maximum≤ 38 ug/LAug003
Carbon tetrachloridemonthly average≤ .061 kg/dAug003
Carbon tetrachloridedaily maximum≤ .129 kg/dAug003
1,2-Dichloroethanemonthly average≤ 22 ug/LAug003
1,2-Dichloroethanedaily maximum≤ 59 ug/LAug003
1,2-Dichloroethanemonthly average≤ .075 kg/dAug003
1,2-Dichloroethanedaily maximum≤ .201 kg/dAug003
Chloroformmonthly average≤ 21 ug/LAug003
Chloroformdaily maximum≤ 46 ug/LAug003
Chloroformmonthly average≤ .072 kg/dAug003
Chloroformdaily maximum≤ .157 kg/dAug003
Toluenemonthly average≤ 26 ug/LAug003
Toluenedaily maximum≤ 80 ug/LAug003
Toluenemonthly average≤ .089 kg/dAug003
Toluenedaily maximum≤ .273 kg/dAug003
Benzenemonthly average≤ 37 ug/LAug003
Benzenedaily maximum≤ 136 ug/LAug003
Benzenemonthly average≤ .126 kg/dAug003
Benzenedaily maximum≤ .463 kg/dAug003
Acenaphthylenemonthly average≤ 22 ug/LAug003
Acenaphthylenedaily maximum≤ 59 ug/LAug003
Acenaphthylenemonthly average≤ .075 kg/dAug003
Acenaphthylenedaily maximum≤ .201 kg/dAug003
Acenaphthenemonthly average≤ 22 ug/LAug003
Acenaphthenedaily maximum≤ 38 ug/LAug003
Acenaphthenemonthly average≤ .075 kg/dAug003
Acenaphthenedaily maximum≤ .129 kg/dAug003
Acrylonitrilemonthly average≤ 96 ug/LAug003
Acrylonitriledaily maximum≤ 242 ug/LAug003
Acrylonitrilemonthly average≤ .327 kg/dAug003
Acrylonitriledaily maximum≤ .824 kg/dAug003
Anthracenedaily maximum≤ .35 ug/LAug003
Anthracenedaily maximum≤ .0012 kg/dAug003
Benzo[b]fluoranthenemonthly average≤ 23 ug/LAug003
Benzo[b]fluoranthenedaily maximum≤ 61 ug/LAug003
Benzo[b]fluoranthenemonthly average≤ .078 kg/dAug003
Benzo[b]fluoranthenedaily maximum≤ .208 kg/dAug003
Benzo[k]fluoranthenemonthly average≤ 22 ug/LAug003
Benzo[k]fluoranthenedaily maximum≤ 59 ug/LAug003
Benzo[k]fluoranthenemonthly average≤ .075 kg/dAug003
Benzo[k]fluoranthenedaily maximum≤ .201 kg/dAug003
Benzo[a]pyrenemonthly average≤ 2 ug/LAug003
Benzo[a]pyrenedaily maximum≤ 61 ug/LAug003
Benzo[a]pyrenemonthly average≤ .007 kg/dAug003
Benzo[a]pyrenedaily maximum≤ .208 kg/dAug003
Chlorobenzenemonthly average≤ 15 ug/LAug003
Chlorobenzenedaily maximum≤ 28 ug/LAug003
Chlorobenzenemonthly average≤ .051 kg/dAug003
Chlorobenzenedaily maximum≤ .095 kg/dAug003
Chrysenemonthly average≤ 22 ug/LAug003
Chrysenedaily maximum≤ 59 ug/LAug003
Chrysenemonthly average≤ .075 kg/dAug003
Chrysenedaily maximum≤ .201 kg/dAug003
Diethyl phthalatemonthly average≤ 81 ug/LAug003
Diethyl phthalatedaily maximum≤ 203 ug/LAug003
Diethyl phthalatemonthly average≤ .276 kg/dAug003
Diethyl phthalatedaily maximum≤ .692 kg/dAug003
Dimethyl phthalatemonthly average≤ 19 ug/LAug003
Dimethyl phthalatedaily maximum≤ 47 ug/LAug003
Dimethyl phthalatemonthly average≤ .065 kg/dAug003
Dimethyl phthalatedaily maximum≤ .16 kg/dAug003
Ethylbenzenemonthly average≤ 32 ug/LAug003
Ethylbenzenedaily maximum≤ 108 ug/LAug003
Ethylbenzenemonthly average≤ .109 kg/dAug003
Ethylbenzenedaily maximum≤ .368 kg/dAug003
Fluoranthenedaily maximum≤ 7.4 ug/LAug003
Fluoranthenedaily maximum≤ .027 kg/dAug003
Fluorenemonthly average≤ 22 ug/LAug003
Fluorenedaily maximum≤ 59 ug/LAug003
Fluorenemonthly average≤ .075 kg/dAug003
Fluorenedaily maximum≤ .201 kg/dAug003
Hexachloroethanemonthly average≤ 21 ug/LAug003
Hexachloroethanedaily maximum≤ 54 ug/LAug003
Hexachloroethanemonthly average≤ .072 kg/dAug003
Hexachloroethanedaily maximum≤ .184 kg/dAug003
Methyl chloride [Chloromethane]monthly average≤ 86 ug/LAug003
Methyl chloride [Chloromethane]daily maximum≤ 190 ug/LAug003
Methyl chloride [Chloromethane]monthly average≤ .293 kg/dAug003
Methyl chloride [Chloromethane]daily maximum≤ .647 kg/dAug003
Methylene chloridemonthly average≤ 40 ug/LAug003
Methylene chloridedaily maximum≤ 89 ug/LAug003
Methylene chloridemonthly average≤ .136 kg/dAug003
Methylene chloridedaily maximum≤ .303 kg/dAug003
Nitrobenzenemonthly average≤ 27 ug/LAug003
Nitrobenzenedaily maximum≤ 68 ug/LAug003
Nitrobenzenemonthly average≤ .092 kg/dAug003
Nitrobenzenedaily maximum≤ .232 kg/dAug003
Phenanthrenemonthly average≤ 22 ug/LAug003
Phenanthrenedaily maximum≤ 59 ug/LAug003
Phenanthrenemonthly average≤ .075 kg/dAug003
Phenanthrenedaily maximum≤ .201 kg/dAug003
Pyrenemonthly average≤ 25 ug/LAug003
Pyrenedaily maximum≤ 67 ug/LAug003
Pyrenemonthly average≤ .085 kg/dAug003
Pyrenedaily maximum≤ .228 kg/dAug003
Tetrachloroethylenemonthly average≤ 22 ug/LAug003
Tetrachloroethylenedaily maximum≤ 56 ug/LAug003
Tetrachloroethylenemonthly average≤ .075 kg/dAug003
Tetrachloroethylenedaily maximum≤ .191 kg/dAug003
1,1-Dichloroethanemonthly average≤ 68 ug/LAug003
1,1-Dichloroethanedaily maximum≤ 211 ug/LAug003
1,1-Dichloroethanemonthly average≤ .232 kg/dAug003
1,1-Dichloroethanedaily maximum≤ .719 kg/dAug003
1,1-Dichloroethylenemonthly average≤ 16 ug/LAug003
1,1-Dichloroethylenedaily maximum≤ 25 ug/LAug003
1,1-Dichloroethylenemonthly average≤ .055 kg/dAug003
1,1-Dichloroethylenedaily maximum≤ .085 kg/dAug003
1,1,1-Trichloroethanemonthly average≤ 21 ug/LAug003
1,1,1-Trichloroethanedaily maximum≤ 54 ug/LAug003
1,1,1-Trichloroethanemonthly average≤ .072 kg/dAug003
1,1,1-Trichloroethanedaily maximum≤ .184 kg/dAug003
1,1,2-Trichloroethanemonthly average≤ 21 ug/LAug003
1,1,2-Trichloroethanedaily maximum≤ 54 ug/LAug003
1,1,2-Trichloroethanemonthly average≤ .072 kg/dAug003
1,1,2-Trichloroethanedaily maximum≤ .184 kg/dAug003
Benzo[a]anthracenemonthly average≤ 20 ug/LAug003
Benzo[a]anthracenedaily maximum≤ 59 ug/LAug003
Benzo[a]anthracenemonthly average≤ .072 kg/dAug003
Benzo[a]anthracenedaily maximum≤ .201 kg/dAug003
1,2-Dichlorobenzenemonthly average≤ 77 ug/LAug003
1,2-Dichlorobenzenedaily maximum≤ 163 ug/LAug003
1,2-Dichlorobenzenemonthly average≤ .262 kg/dAug003
1,2-Dichlorobenzenedaily maximum≤ .555 kg/dAug003
1,2-Dichloropropanemonthly average≤ 153 ug/LAug003
1,2-Dichloropropanedaily maximum≤ 230 ug/LAug003
1,2-Dichloropropanemonthly average≤ .521 kg/dAug003
1,2-Dichloropropanedaily maximum≤ .783 kg/dAug003
trans-1,2-Dichloroethylenemonthly average≤ 21 ug/LAug003
trans-1,2-Dichloroethylenedaily maximum≤ 54 ug/LAug003
trans-1,2-Dichloroethylenemonthly average≤ .072 kg/dAug003
trans-1,2-Dichloroethylenedaily maximum≤ .184 kg/dAug003
1,2,4-Trichlorobenzenemonthly average≤ 68 ug/LAug003
1,2,4-Trichlorobenzenedaily maximum≤ 140 ug/LAug003
1,2,4-Trichlorobenzenemonthly average≤ .232 kg/dAug003
1,2,4-Trichlorobenzenedaily maximum≤ .477 kg/dAug003
1,3-Dichlorobenzenemonthly average≤ 31 ug/LAug003
1,3-Dichlorobenzenedaily maximum≤ 44 ug/LAug003
1,3-Dichlorobenzenemonthly average≤ .106 kg/dAug003
1,3-Dichlorobenzenedaily maximum≤ .15 kg/dAug003
1,4-Dichlorobenzenemonthly average≤ 15 ug/LAug003
1,4-Dichlorobenzenedaily maximum≤ 28 ug/LAug003
1,4-Dichlorobenzenemonthly average≤ .051 kg/dAug003
1,4-Dichlorobenzenedaily maximum≤ .095 kg/dAug003
2-Chlorophenolmonthly average≤ 31 ug/LAug003
2-Chlorophenoldaily maximum≤ 98 ug/LAug003
2-Chlorophenolmonthly average≤ .106 kg/dAug003
2-Chlorophenoldaily maximum≤ .334 kg/dAug003
2-Nitrophenolmonthly average≤ 41 ug/LAug003
2-Nitrophenoldaily maximum≤ 69 ug/LAug003
2-Nitrophenolmonthly average≤ .14 kg/dAug003
2-Nitrophenoldaily maximum≤ .235 kg/dAug003
2,4-Dichlorophenolmonthly average≤ 39 ug/LAug003
2,4-Dichlorophenoldaily maximum≤ 112 ug/LAug003
2,4-Dichlorophenolmonthly average≤ .133 kg/dAug003
2,4-Dichlorophenoldaily maximum≤ .382 kg/dAug003
2,4-Dimethylphenolmonthly average≤ 18 ug/LAug003
2,4-Dimethylphenoldaily maximum≤ 36 ug/LAug003
2,4-Dimethylphenolmonthly average≤ .061 kg/dAug003
2,4-Dimethylphenoldaily maximum≤ .123 kg/dAug003
2,4-Dinitrotoluenemonthly average≤ 113 ug/LAug003
2,4-Dinitrotoluenedaily maximum≤ 285 ug/LAug003
2,4-Dinitrotoluenemonthly average≤ .385 kg/dAug003
2,4-Dinitrotoluenedaily maximum≤ .971 kg/dAug003
2,4-Dinitrophenolmonthly average≤ 71 ug/LAug003
2,4-Dinitrophenoldaily maximum≤ 123 ug/LAug003
2,4-Dinitrophenolmonthly average≤ .242 kg/dAug003
2,4-Dinitrophenoldaily maximum≤ .419 kg/dAug003
2,6-Dinitrotoluenemonthly average≤ 255 ug/LAug003
2,6-Dinitrotoluenedaily maximum≤ 641 ug/LAug003
2,6-Dinitrotoluenemonthly average≤ .869 kg/dAug003
2,6-Dinitrotoluenedaily maximum≤ 2.184 kg/dAug003
4-Nitrophenolmonthly average≤ 72 ug/LAug003
4-Nitrophenoldaily maximum≤ 124 ug/LAug003
4-Nitrophenolmonthly average≤ .245 kg/dAug003
4-Nitrophenoldaily maximum≤ .422 kg/dAug003
4,6-Dinitro-o-cresolmonthly average≤ 78 ug/LAug003
4,6-Dinitro-o-cresoldaily maximum≤ 277 ug/LAug003
4,6-Dinitro-o-cresolmonthly average≤ .266 kg/dAug003
4,6-Dinitro-o-cresoldaily maximum≤ .944 kg/dAug003
Phenolmonthly average≤ 15 ug/LAug003
Phenoldaily maximum≤ 26 ug/LAug003
Phenolmonthly average≤ .051 kg/dAug003
Phenoldaily maximum≤ .089 kg/dAug003
Naphthalenemonthly average≤ 22 ug/LAug003
Naphthalenedaily maximum≤ 59 ug/LAug003
Naphthalenemonthly average≤ .075 kg/dAug003
Naphthalenedaily maximum≤ .201 kg/dAug003
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 103 ug/LAug003
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 279 ug/LAug003
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .351 kg/dAug003
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .95 kg/dAug003
Di-n-butyl phthalatemonthly average≤ 27 ug/LAug003
Di-n-butyl phthalatedaily maximum≤ 57 ug/LAug003
Di-n-butyl phthalatemonthly average≤ .092 kg/dAug003
Di-n-butyl phthalatedaily maximum≤ .194 kg/dAug003
Vinyl chloridemonthly average≤ 104 ug/LAug003
Vinyl chloridedaily maximum≤ 268 ug/LAug003
Vinyl chloridemonthly average≤ .354 kg/dAug003
Vinyl chloridedaily maximum≤ .913 kg/dAug003
Trichloroethylenemonthly average≤ 21 ug/LAug003
Trichloroethylenedaily maximum≤ 54 ug/LAug003
Trichloroethylenemonthly average≤ .072 kg/dAug003
Trichloroethylenedaily maximum≤ .184 kg/dAug003
Hexachlorobenzenemonthly average≤ .0008 ug/LAug003
Hexachlorobenzenedaily maximum≤ 28 ug/LAug003
Hexachlorobenzenemonthly average≤ .000003 kg/dAug003
Hexachlorobenzenedaily maximum≤ .1 kg/dAug003
Hexachlorobutadienemonthly average≤ .1 ug/LAug003
Hexachlorobutadienedaily maximum≤ 49 ug/LAug003
Hexachlorobutadienemonthly average≤ .0004 kg/dAug003
Hexachlorobutadienedaily maximum≤ .167 kg/dAug003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualdaily maximum≤ .038 mg/Lall year003
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Aug003
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Aug003
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Aug003
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Aug003
Styrene, totalmonthly averagereport only (ug/L)Aug003
Styrene, totaldaily maximumreport only (ug/L)Aug003
1,3-Dichloropropenedaily maximum≤ 24 ug/LAug003
1,3-Dichloropropenedaily maximum≤ .082 kg/dAug003
Chloroethanemonthly average≤ 104 ug/LAug003
Chloroethanedaily maximum≤ 268 ug/LAug003
Chloroethanemonthly average≤ .354 kg/dAug003
Chloroethanedaily maximum≤ .913 kg/dAug003
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec004
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year800
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year800

New limits from Mar 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Cobalt, total recoverable, daily maximum1.59 kg/dnew——
Cobalt, total recoverable, daily maximum440 ug/Lnew170 ug/L (12 values)0.386×
Cyanide, total [as CN], daily maximum0.044 mg/L (Aug)tighter——

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 68 Chemicals and Allied Products permits in Ohio.

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