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Industrial Organic Chemicals, major discharger, La Porte, Texas. NPDES permit TX0070416 expired Oct 18, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 140 deg F | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily average | ≤ 277 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 775 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5 mg/L | all year | 001 |
| Carbon, tot organic [TOC] | daily average | ≤ 352 lb/d | all year | 001 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 569 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily average | ≤ 2.2 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 4.3 lb/d | all year | 001 |
| Copper, total [as Cu] | daily average | ≤ 1.58 lb/d | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 3.35 lb/d | all year | 001 |
| Carbon tetrachloride | daily average | ≤ .09 lb/d | all year | 001 |
| Carbon tetrachloride | daily maximum | ≤ .19 lb/d | all year | 001 |
| Chloroform | daily average | ≤ .15 lb/d | all year | 001 |
| Chloroform | daily maximum | ≤ .29 lb/d | all year | 001 |
| Toluene | daily average | ≤ .13 lb/d | all year | 001 |
| Toluene | daily maximum | ≤ .4 lb/d | all year | 001 |
| Benzene | daily average | ≤ .18 lb/d | all year | 001 |
| Benzene | daily maximum | ≤ .68 lb/d | all year | 001 |
| Acenaphthylene | daily average | ≤ .11 lb/d | all year | 001 |
| Acenaphthylene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Acenaphthene | daily average | ≤ .11 lb/d | all year | 001 |
| Acenaphthene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Acrylonitrile | daily average | ≤ .48 lb/d | all year | 001 |
| Acrylonitrile | daily maximum | ≤ 1.2 lb/d | all year | 001 |
| Anthracene | daily average | ≤ .11 lb/d | all year | 001 |
| Anthracene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Benzo[b]fluoranthene | daily average | ≤ .11 lb/d | all year | 001 |
| Benzo[b]fluoranthene | daily maximum | ≤ .3 lb/d | all year | 001 |
| Benzo[k]fluoranthene | daily average | ≤ .11 lb/d | all year | 001 |
| Benzo[k]fluoranthene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Benzo[a]pyrene | daily average | ≤ .11 lb/d | all year | 001 |
| Benzo[a]pyrene | daily maximum | ≤ .3 lb/d | all year | 001 |
| Chlorobenzene | daily average | ≤ .07 lb/d | all year | 001 |
| Chlorobenzene | daily maximum | ≤ .14 lb/d | all year | 001 |
| Chrysene | daily average | ≤ .11 lb/d | all year | 001 |
| Chrysene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Diethyl phthalate | daily average | ≤ .4 lb/d | all year | 001 |
| Diethyl phthalate | daily maximum | ≤ 1.01 lb/d | all year | 001 |
| Dimethyl phthalate | daily average | ≤ .09 lb/d | all year | 001 |
| Dimethyl phthalate | daily maximum | ≤ .23 lb/d | all year | 001 |
| Ethylbenzene | daily average | ≤ .16 lb/d | all year | 001 |
| Ethylbenzene | daily maximum | ≤ .54 lb/d | all year | 001 |
| Fluoranthene | daily average | ≤ .12 lb/d | all year | 001 |
| Fluoranthene | daily maximum | ≤ .34 lb/d | all year | 001 |
| Fluorene | daily average | ≤ .11 lb/d | all year | 001 |
| Fluorene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Hexachlorobutadiene | daily average | ≤ .1 lb/d | all year | 001 |
| Hexachlorobutadiene | daily maximum | ≤ .24 lb/d | all year | 001 |
| Hexachloroethane | daily average | ≤ .1 lb/d | all year | 001 |
| Hexachloroethane | daily maximum | ≤ .27 lb/d | all year | 001 |
| Methyl chloride [Chloromethane] | daily average | ≤ .43 lb/d | all year | 001 |
| Methyl chloride [Chloromethane] | daily maximum | ≤ .95 lb/d | all year | 001 |
| Methylene chloride | daily average | ≤ .2 lb/d | all year | 001 |
| Methylene chloride | daily maximum | ≤ .44 lb/d | all year | 001 |
| Nitrobenzene | daily average | ≤ .13 lb/d | all year | 001 |
| Nitrobenzene | daily maximum | ≤ .34 lb/d | all year | 001 |
| Phenanthrene | daily average | ≤ .11 lb/d | all year | 001 |
| Phenanthrene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Pyrene | daily average | ≤ .12 lb/d | all year | 001 |
| Pyrene | daily maximum | ≤ .33 lb/d | all year | 001 |
| Tetrachloroethylene | daily average | ≤ .11 lb/d | all year | 001 |
| Tetrachloroethylene | daily maximum | ≤ .28 lb/d | all year | 001 |
| 1,1-Dichloroethane | daily average | ≤ .11 lb/d | all year | 001 |
| 1,1-Dichloroethane | daily maximum | ≤ .29 lb/d | all year | 001 |
| 1,1-Dichloroethylene | daily average | ≤ .08 lb/d | all year | 001 |
| 1,1-Dichloroethylene | daily maximum | ≤ .12 lb/d | all year | 001 |
| 1,1,1-Trichloroethane | daily average | ≤ .1 lb/d | all year | 001 |
| 1,1,1-Trichloroethane | daily maximum | ≤ .27 lb/d | all year | 001 |
| 1,1,2-Trichloroethane | daily average | ≤ .1 lb/d | all year | 001 |
| 1,1,2-Trichloroethane | daily maximum | ≤ .27 lb/d | all year | 001 |
| Benzo[a]anthracene | daily average | ≤ .11 lb/d | all year | 001 |
| Benzo[a]anthracene | daily maximum | ≤ .29 lb/d | all year | 001 |
| 1,2-Dichloroethane, total weight | daily average | ≤ .34 lb/d | all year | 001 |
| 1,2-Dichloroethane, total weight | daily maximum | ≤ 1.05 lb/d | all year | 001 |
| 1,2-Dichlorobenzene | daily average | ≤ .38 lb/d | all year | 001 |
| 1,2-Dichlorobenzene | daily maximum | ≤ .81 lb/d | all year | 001 |
| 1,2-Dichloropropane | daily average | ≤ .76 lb/d | all year | 001 |
| 1,2-Dichloropropane | daily maximum | ≤ 1.15 lb/d | all year | 001 |
| trans-1,2-Dichloroethylene | daily average | ≤ .1 lb/d | all year | 001 |
| trans-1,2-Dichloroethylene | daily maximum | ≤ .27 lb/d | all year | 001 |
| 1,2,4-Trichlorobenzene | daily average | ≤ .34 lb/d | all year | 001 |
| 1,2,4-Trichlorobenzene | daily maximum | ≤ .7 lb/d | all year | 001 |
| 1,3-Dichlorobenzene | daily average | ≤ .15 lb/d | all year | 001 |
| 1,3-Dichlorobenzene | daily maximum | ≤ .22 lb/d | all year | 001 |
| 1,4-Dichlorobenzene | daily average | ≤ .07 lb/d | all year | 001 |
| 1,4-Dichlorobenzene | daily maximum | ≤ .14 lb/d | all year | 001 |
| 2-Chlorophenol | daily average | ≤ .15 lb/d | all year | 001 |
| 2-Chlorophenol | daily maximum | ≤ .49 lb/d | all year | 001 |
| 2-Nitrophenol | daily average | ≤ .2 lb/d | all year | 001 |
| 2-Nitrophenol | daily maximum | ≤ .34 lb/d | all year | 001 |
| 2,4-Dichlorophenol | daily average | ≤ .19 lb/d | all year | 001 |
| 2,4-Dichlorophenol | daily maximum | ≤ .56 lb/d | all year | 001 |
| 2,4-Dimethylphenol | daily average | ≤ .09 lb/d | all year | 001 |
| 2,4-Dimethylphenol | daily maximum | ≤ .18 lb/d | all year | 001 |
| 2,4-Dinitrotoluene | daily average | ≤ .56 lb/d | all year | 001 |
| 2,4-Dinitrotoluene | daily maximum | ≤ 1.42 lb/d | all year | 001 |
| 2,4-Dinitrophenol | daily average | ≤ .35 lb/d | all year | 001 |
| 2,4-Dinitrophenol | daily maximum | ≤ .61 lb/d | all year | 001 |
| 2,6-Dinitrotoluene | daily average | ≤ 1.27 lb/d | all year | 001 |
| 2,6-Dinitrotoluene | daily maximum | ≤ 3.19 lb/d | all year | 001 |
| 4-Nitrophenol | daily average | ≤ .36 lb/d | all year | 001 |
| 4-Nitrophenol | daily maximum | ≤ .62 lb/d | all year | 001 |
| 4,6-Dinitro-o-cresol | daily average | ≤ .39 lb/d | all year | 001 |
| 4,6-Dinitro-o-cresol | daily maximum | ≤ 1.33 lb/d | all year | 001 |
| Phenol | daily average | ≤ .07 lb/d | all year | 001 |
| Phenol | daily maximum | ≤ .13 lb/d | all year | 001 |
| Naphthalene | daily average | ≤ .11 lb/d | all year | 001 |
| Naphthalene | daily maximum | ≤ .29 lb/d | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily average | ≤ .51 lb/d | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ 1.39 lb/d | all year | 001 |
| Di-n-butyl phthalate | daily average | ≤ .13 lb/d | all year | 001 |
| Di-n-butyl phthalate | daily maximum | ≤ .28 lb/d | all year | 001 |
| Vinyl chloride | daily average | ≤ .52 lb/d | all year | 001 |
| Vinyl chloride | daily maximum | ≤ 1.33 lb/d | all year | 001 |
| Trichloroethylene | daily average | ≤ .1 lb/d | all year | 001 |
| Trichloroethylene | daily maximum | ≤ .27 lb/d | all year | 001 |
| Hexachlorobenzene | daily average | ≤ .002 lb/d | all year | 001 |
| Hexachlorobenzene | daily maximum | ≤ .005 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 1.57 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 2.25 MGD | all year | 001 |
| 1,3-Dichloropropylene | daily average | ≤ .14 lb/d | all year | 001 |
| 1,3-Dichloropropylene | daily maximum | ≤ .22 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 171 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 443 lb/d | all year | 001 |
| TCDD equivalents | daily average | ≤ 0 lb/d | all year | 001 |
| TCDD equivalents | daily maximum | ≤ 0 lb/d | all year | 001 |
| Chloroethane | daily average | ≤ .57 lb/d | all year | 001 |
| Chloroethane | daily maximum | ≤ 1.33 lb/d | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 10 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 mg/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ .092 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 10 SU | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 65 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 65 mg/L | all year | 101 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year | 101 |
| Enterococci | daily average | ≤ 35 MPN/100mL | all year | 101 |
| Enterococci | daily maximum | ≤ 104 MPN/100mL | all year | 101 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #1 | average | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | average | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | average | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | average | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | average | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TXA |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 165 Chemicals and Allied Products permits in Texas.
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Your permit document is the final word. As JSON: /api/v1/permits/TX0070416 · MCP: https://passage-data.com/mcp