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Huntsman Advanced Materials Americas, LLC.

Industrial Organic Chemicals, major discharger, Ashtabula, Ohio. NPDES permit OH0029149, in force until Feb 28, 2030. Last 12 months: over a limit 3 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (251 values), outfall 601 form A monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 36 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
January 2026BOD, 5-day, 20 deg. C, daily maximum30≤ 29.6 mg/L1%
January 2026BOD, 5-day, 20 deg. C, monthly average21≤ 11 mg/L91%
March 2026Carbon tetrachloride, monthly average15≤ 13.1 ug/L15%

Limits in force (271)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 11 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 29.6 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 13.3 kg/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 35.8 kg/dall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 14.3 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45.4 mg/Lall year001
Solids, total suspendedmonthly average≤ 17.5 kg/dall year001
Solids, total suspendeddaily maximum≤ 54.9 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/LMar, Jun, Sep, Dec001
Nickel, total recoverablemonthly averagereport only (ug/L)Sep001
Nickel, total recoverabledaily maximumreport only (ug/L)Sep001
Zinc, total recoverabledaily maximum≤ 117 ug/Lall year001
Zinc, total recoverabledaily maximum≤ .142 kg/dall year001
Lead, total recoverablemonthly averagereport only (ug/L)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, total recoverablemonthly averagereport only (ug/L)Sep001
Chromium, total recoverabledaily maximumreport only (ug/L)Sep001
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Carbon tetrachloridemonthly average≤ 13.1 ug/LMar, Jun, Sep, Dec001
Carbon tetrachloridedaily maximum≤ 102 ug/LMar, Jun, Sep, Dec001
Carbon tetrachloridemonthly average≤ .016 kg/dMar, Jun, Sep, Dec001
Carbon tetrachloridedaily maximum≤ .124 kg/dMar, Jun, Sep, Dec001
1,2-Dichloroethanemonthly average≤ 48.1 ug/LSep001
1,2-Dichloroethanedaily maximum≤ 153 ug/LSep001
1,2-Dichloroethanemonthly average≤ .058 kg/dSep001
1,2-Dichloroethanedaily maximum≤ .185 kg/dSep001
Chloroformmonthly average≤ 29.6 ug/LSep001
Chloroformdaily maximum≤ 87.3 ug/LSep001
Chloroformmonthly average≤ .036 kg/dSep001
Chloroformdaily maximum≤ .106 kg/dSep001
Toluenemonthly average≤ 7.6 ug/LSep001
Toluenedaily maximum≤ 19.9 ug/LSep001
Toluenemonthly average≤ .009 kg/dSep001
Toluenedaily maximum≤ .024 kg/dSep001
Benzenemonthly average≤ 15.1 ug/LSep001
Benzenedaily maximum≤ 35.8 ug/LSep001
Benzenemonthly average≤ .018 kg/dSep001
Benzenedaily maximum≤ .043 kg/dSep001
Acenaphthylenemonthly average≤ 4.8 ug/LSep001
Acenaphthylenedaily maximum≤ 11.7 ug/LSep001
Acenaphthylenemonthly average≤ .006 kg/dSep001
Acenaphthylenedaily maximum≤ .014 kg/dSep001
Acenaphthenemonthly average≤ 4.8 ug/LSep001
Acenaphthenedaily maximum≤ 11.7 ug/LSep001
Acenaphthenemonthly average≤ .006 kg/dSep001
Acenaphthenedaily maximum≤ .014 kg/dSep001
Acrylonitrilemonthly average≤ 2.1 ug/LSep001
Acrylonitriledaily maximum≤ 57.1 ug/LSep001
Acrylonitrilemonthly average≤ .003 kg/dSep001
Acrylonitriledaily maximum≤ .069 kg/dSep001
Anthracenemonthly average≤ .0138 ug/LSep001
Anthracenedaily maximum≤ .124 ug/LSep001
Anthracenemonthly average≤ .000017 kg/dSep001
Anthracenedaily maximum≤ .00015 kg/dSep001
Benzo[b]fluoranthenemonthly average≤ 1.8 ug/LSep001
Benzo[b]fluoranthenedaily maximum≤ 11.7 ug/LSep001
Benzo[b]fluoranthenemonthly average≤ .002 kg/dSep001
Benzo[b]fluoranthenedaily maximum≤ .014 kg/dSep001
Benzo[k]fluoranthenemonthly average≤ 4.8 ug/LSep001
Benzo[k]fluoranthenedaily maximum≤ 11.7 ug/LSep001
Benzo[k]fluoranthenemonthly average≤ .006 kg/dSep001
Benzo[k]fluoranthenedaily maximum≤ .014 kg/dSep001
Benzo[a]pyrenemonthly average≤ .000014 ug/LSep001
Benzo[a]pyrenedaily maximum≤ .37 ug/LSep001
Benzo[a]pyrenemonthly averagereport only (kg/d)Sep001
Benzo[a]pyrenedaily maximum≤ .00045 kg/dSep001
Bis[2-chloroisopropyl] ethermonthly averagereport only (ug/L)Sep001
Bis[2-chloroisopropyl] etherdaily maximumreport only (ug/L)Sep001
Chlorobenzenemonthly average≤ 17.9 ug/LSep001
Chlorobenzenedaily maximum≤ 92.8 ug/LSep001
Chlorobenzenemonthly average≤ .022 kg/dSep001
Chlorobenzenedaily maximum≤ .112 kg/dSep001
Chrysenemonthly average≤ 3.2 ug/LSep001
Chrysenedaily maximum≤ 11.7 ug/LSep001
Chrysenemonthly average≤ .004 kg/dSep001
Chrysenedaily maximum≤ .014 kg/dSep001
Diethyl phthalatemonthly average≤ 11 ug/LSep001
Diethyl phthalatedaily maximum≤ 27.5 ug/LSep001
Diethyl phthalatemonthly average≤ .013 kg/dSep001
Diethyl phthalatedaily maximum≤ .033 kg/dSep001
Dimethyl phthalatemonthly average≤ 4.8 ug/LSep001
Dimethyl phthalatedaily maximum≤ 11.7 ug/LSep001
Dimethyl phthalatemonthly average≤ .006 kg/dSep001
Dimethyl phthalatedaily maximum≤ .014 kg/dSep001
Ethylbenzenemonthly average≤ 37.8 ug/LSep001
Ethylbenzenedaily maximum≤ 102 ug/LSep001
Ethylbenzenemonthly average≤ .046 kg/dSep001
Ethylbenzenedaily maximum≤ .124 kg/dSep001
Fluoranthenemonthly average≤ .6 ug/LSep001
Fluoranthenedaily maximum≤ 2.5 ug/LSep001
Fluoranthenemonthly average≤ .001 kg/dSep001
Fluoranthenedaily maximum≤ .003 kg/dSep001
Fluorenemonthly average≤ 4.8 ug/LSep001
Fluorenedaily maximum≤ 11.7 ug/LSep001
Fluorenemonthly average≤ .006 kg/dSep001
Fluorenedaily maximum≤ .014 kg/dSep001
Hexachloroethanemonthly average≤ 4.6 ug/LSep001
Hexachloroethanedaily maximum≤ 195 ug/LSep001
Hexachloroethanemonthly average≤ .006 kg/dSep001
Hexachloroethanedaily maximum≤ .236 kg/dSep001
Methyl chloride [Chloromethane]monthly average≤ 26.8 ug/LSep001
Methyl chloride [Chloromethane]daily maximum≤ 72.2 ug/LSep001
Methyl chloride [Chloromethane]monthly average≤ .032 kg/dSep001
Methyl chloride [Chloromethane]daily maximum≤ .087 kg/dSep001
Methylene chloridemonthly average≤ 9.6 ug/LSep001
Methylene chloridedaily maximum≤ 45.4 ug/LSep001
Methylene chloridemonthly average≤ .012 kg/dSep001
Methylene chloridedaily maximum≤ .055 kg/dSep001
Nitrobenzenemonthly average≤ 227 ug/LSep001
Nitrobenzenedaily maximum≤ 962 ug/LSep001
Nitrobenzenemonthly average≤ .275 kg/dSep001
Nitrobenzenedaily maximum≤ 1.165 kg/dSep001
Phenanthrenemonthly average≤ 4.8 ug/LSep001
Phenanthrenedaily maximum≤ 11.7 ug/LSep001
Phenanthrenemonthly average≤ .006 kg/dSep001
Phenanthrenedaily maximum≤ .014 kg/dSep001
Pyrenemonthly average≤ 3.2 ug/LSep001
Pyrenedaily maximum≤ 11.7 ug/LSep001
Pyrenemonthly average≤ .004 kg/dSep001
Pyrenedaily maximum≤ .014 kg/dSep001
Tetrachloroethylenemonthly average≤ 13.8 ug/LSep001
Tetrachloroethylenedaily maximum≤ 44 ug/LSep001
Tetrachloroethylenemonthly average≤ .017 kg/dSep001
Tetrachloroethylenedaily maximum≤ .053 kg/dSep001
1,1-Dichloroethanemonthly average≤ 5.5 ug/LSep001
1,1-Dichloroethanedaily maximum≤ 14.4 ug/LSep001
1,1-Dichloroethanemonthly average≤ .007 kg/dSep001
1,1-Dichloroethanedaily maximum≤ .017 kg/dSep001
1,1-Dichloroethylenemonthly average≤ 5.5 ug/LSep001
1,1-Dichloroethylenedaily maximum≤ 14.4 ug/LSep001
1,1-Dichloroethylenemonthly average≤ .007 kg/dSep001
1,1-Dichloroethylenedaily maximum≤ .017 kg/dSep001
1,1,1-Trichloroethanemonthly average≤ 5.5 ug/LSep001
1,1,1-Trichloroethanedaily maximum≤ 14.4 ug/LSep001
1,1,1-Trichloroethanemonthly average≤ .007 kg/dSep001
1,1,1-Trichloroethanedaily maximum≤ .017 kg/dSep001
1,1,2-Trichloroethanemonthly average≤ 8.3 ug/LSep001
1,1,2-Trichloroethanedaily maximum≤ 30.9 ug/LSep001
1,1,2-Trichloroethanemonthly average≤ .01 kg/dSep001
1,1,2-Trichloroethanedaily maximum≤ .037 kg/dSep001
Benzo[a]anthracenemonthly average≤ 3.2 ug/LSep001
Benzo[a]anthracenedaily maximum≤ 11.7 ug/LSep001
Benzo[a]anthracenemonthly average≤ .004 kg/dSep001
Benzo[a]anthracenedaily maximum≤ .014 kg/dSep001
1,2-Dichlorobenzenemonthly average≤ 7.6 ug/LSep001
1,2-Dichlorobenzenedaily maximum≤ 110 ug/LSep001
1,2-Dichlorobenzenemonthly average≤ .009 kg/dSep001
1,2-Dichlorobenzenedaily maximum≤ .133 kg/dSep001
1,2-Dichloropropanemonthly average≤ 48.1 ug/LSep001
1,2-Dichloropropanedaily maximum≤ 195 ug/LSep001
1,2-Dichloropropanemonthly average≤ .058 kg/dSep001
1,2-Dichloropropanedaily maximum≤ .236 kg/dSep001
trans-1,2-Dichloroethylenemonthly average≤ 6.2 ug/LSep001
trans-1,2-Dichloroethylenedaily maximum≤ 16.5 ug/LSep001
trans-1,2-Dichloroethylenemonthly average≤ .008 kg/dSep001
trans-1,2-Dichloroethylenedaily maximum≤ .02 kg/dSep001
1,2,4-Trichlorobenzenemonthly average≤ 48.1 ug/LSep001
1,2,4-Trichlorobenzenedaily maximum≤ 103 ug/LSep001
1,2,4-Trichlorobenzenemonthly average≤ .058 kg/dSep001
1,2,4-Trichlorobenzenedaily maximum≤ .125 kg/dSep001
1,3-Dichlorobenzenemonthly average≤ 15.1 ug/LSep001
1,3-Dichlorobenzenedaily maximum≤ 54.3 ug/LSep001
1,3-Dichlorobenzenemonthly average≤ .018 kg/dSep001
1,3-Dichlorobenzenedaily maximum≤ .066 kg/dSep001
1,4-Dichlorobenzenemonthly average≤ 6.5 ug/LSep001
1,4-Dichlorobenzenedaily maximum≤ 39.2 ug/LSep001
1,4-Dichlorobenzenemonthly average≤ .008 kg/dSep001
1,4-Dichlorobenzenedaily maximum≤ .047 kg/dSep001
2-Nitrophenolmonthly average≤ 15.8 ug/LSep001
2-Nitrophenoldaily maximum≤ 57.1 ug/LSep001
2-Nitrophenolmonthly average≤ .019 kg/dSep001
2-Nitrophenoldaily maximum≤ .069 kg/dSep001
2,4-Dimethylphenolmonthly average≤ 3.4 ug/LSep001
2,4-Dimethylphenoldaily maximum≤ 11.7 ug/LSep001
2,4-Dimethylphenolmonthly average≤ .004 kg/dSep001
2,4-Dimethylphenoldaily maximum≤ .014 kg/dSep001
2,4-Dinitrophenolmonthly average≤ 297 ug/LSep001
2,4-Dinitrophenoldaily maximum≤ 1051 ug/LSep001
2,4-Dinitrophenolmonthly average≤ .36 kg/dSep001
2,4-Dinitrophenoldaily maximum≤ 1.273 kg/dSep001
4-Nitrophenolmonthly average≤ 24.1 ug/LSep001
4-Nitrophenoldaily maximum≤ 141 ug/LSep001
4-Nitrophenolmonthly average≤ .029 kg/dSep001
4-Nitrophenoldaily maximum≤ .171 kg/dSep001
4,6-Dinitro-o-cresoldaily maximum≤ 4.54 ug/LSep001
4,6-Dinitro-o-cresoldaily maximum≤ .005 kg/dSep001
Phenolmonthly average≤ 4.8 ug/LSep001
Phenoldaily maximum≤ 11.7 ug/LSep001
Phenolmonthly average≤ .006 kg/dSep001
Phenoldaily maximum≤ .014 kg/dSep001
Naphthalenemonthly average≤ 4.8 ug/LSep001
Naphthalenedaily maximum≤ 11.7 ug/LSep001
Naphthalenemonthly average≤ .006 kg/dSep001
Naphthalenedaily maximum≤ .014 kg/dSep001
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 5.8 ug/LSep001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 63.3 ug/LSep001
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .007 kg/dSep001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .077 kg/dSep001
Di-n-butyl phthalatemonthly average≤ 4.8 ug/LSep001
Di-n-butyl phthalatedaily maximum≤ 10.3 ug/LSep001
Di-n-butyl phthalatemonthly average≤ .006 kg/dSep001
Di-n-butyl phthalatedaily maximum≤ .012 kg/dSep001
Vinyl chloridemonthly average≤ 19.3 ug/LSep001
Vinyl chloridedaily maximum≤ 41.9 ug/LSep001
Vinyl chloridemonthly average≤ .023 kg/dSep001
Vinyl chloridedaily maximum≤ .051 kg/dSep001
Trichloroethylenemonthly average≤ 6.9 ug/LSep001
Trichloroethylenedaily maximum≤ 18.6 ug/LSep001
Trichloroethylenemonthly average≤ .008 kg/dSep001
Trichloroethylenedaily maximum≤ .023 kg/dSep001
Hexachlorobenzenemonthly average≤ .00031 ug/LSep001
Hexachlorobenzenedaily maximum≤ 195 ug/LSep001
Hexachlorobenzenemonthly average≤ .0000004 kg/dSep001
Hexachlorobenzenedaily maximum≤ .236 kg/dSep001
Hexachlorobutadienemonthly average≤ .17 ug/LSep001
Hexachlorobutadienedaily maximum≤ 92.8 ug/LSep001
Hexachlorobutadienemonthly average≤ .00021 kg/dSep001
Hexachlorobutadienedaily maximum≤ .112 kg/dSep001
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≤ .019 mg/Lall year001
Mercury, total low levelmonthly average≤ 6.2 ng/LMar, Jun, Sep, Dec001
Mercury, total low leveldaily maximum≤ 1169 ng/LMar, Jun, Sep, Dec001
Mercury, total low levelmonthly average≤ .000008 kg/dMar, Jun, Sep, Dec001
Mercury, total low leveldaily maximum≤ .0014 kg/dMar, Jun, Sep, Dec001
Carcinogen additivity factordaily maximum≤ 1 col unitall year001
Cyanide, free availablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Cyanide, free availabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Sep001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Sep001
Toxicity [chronic], Ceriodaphnia dubiamonthly averagereport only (tox chronic)Sep001
Toxicity [chronic], Ceriodaphnia dubiadaily maximumreport only (tox chronic)Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox chronic)Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)Sep001
Solids, total dissolved- 180 deg. Cmonthly average≤ 1500 mg/Lall year001
Solids, total dissolved- 180 deg. Cmonthly average≤ 1817 kg/dall year001
1,3-Dichloropropenemonthly average≤ 1.2 ug/LSep001
1,3-Dichloropropenedaily maximum≤ 10.3 ug/LSep001
1,3-Dichloropropenemonthly average≤ .001 kg/dSep001
1,3-Dichloropropenedaily maximum≤ .012 kg/dSep001
Chloroethanemonthly average≤ 26.8 ug/LSep001
Chloroethanedaily maximum≤ 72.2 ug/LSep001
Chloroethanemonthly average≤ .032 kg/dSep001
Chloroethanedaily maximum≤ .087 kg/dSep001
Bypass Volumemonthly averagereport only (Mgal)all year002
Bypass Volumedaily maximumreport only (Mgal)all year002
Bypass valvemonthly averagereport only (occur/mo)all year002
Bypass valvedaily maximumreport only (occur/mo)all year002
Bypass of treatmentmonthly averagereport only (hr/mo)all year002
Bypass of treatmentdaily maximumreport only (hr/mo)all year002
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588
Flow ratemonthly averagereport only (gal/d)all year601
Flow ratedaily maximumreport only (gal/d)all year601
Solids, total suspendedmonthly average≤ 30 mg/Lall year601
Solids, total suspendeddaily maximum≤ 45 mg/Lall year601
Turbidity [severity]monthly averagereport only (severity)all year601
Turbidity [severity]daily maximumreport only (severity)all year601
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct601
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct601
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year601
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/Lall year601

New limits from Mar 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Copper, total recoverable, monthly average15 ug/L (Mar, Jun, Sep, Dec)new16.9 ug/L (3 values)1.13×
Copper, total recoverable, daily maximum0.028 kg/d (Mar, Jun, Sep, Dec)new——
Copper, total recoverable, daily maximum23 ug/L (Mar, Jun, Sep, Dec)new16.9 ug/L (3 values)0.735×
Copper, total recoverable, monthly average0.018 kg/d (Mar, Jun, Sep, Dec)new——

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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