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Industrial Inorganic Chemicals, Beaumont, Texas. NPDES permit TX0003662 expired Feb 11, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 50 lb/d | all year | 002 |
| Carbon, tot organic [TOC] | daily average | report only (mg/L) | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 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 | ≤ 9 SU | all year | 003 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 50 lb/d | all year | 003 |
| Carbon, tot organic [TOC] | daily average | report only (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 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | daily average | ≤ 55 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 65 mg/L | all year | 004 |
| Solids, total suspended | daily average | ≤ 101 lb/d | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 119 lb/d | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 27.5 lb/d | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 36.7 lb/d | all year | 004 |
| Flow [dry weather] | daily average | ≤ .22 MGD | all year | 004 |
| Flow [dry weather] | daily maximum | ≤ .475 MGD | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 8.23 lb/d | all year | 005 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11 lb/d | all year | 005 |
| Carbon, tot organic [TOC] | daily average | report only (mg/L) | all year | 005 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 mg/L | all year | 005 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 41.2 lb/d | all year | 005 |
| Thallium, total [as Tl] | daily average | ≤ .008 mg/L | all year | 005 |
| Thallium, total [as Tl] | daily maximum | ≤ .017 mg/L | all year | 005 |
| Flow [dry weather] | daily average | ≤ .0658 MGD | all year | 005 |
| Flow [dry weather] | daily maximum | ≤ .1339 MGD | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 50 lb/d | all year | 006 |
| Carbon, tot organic [TOC] | daily average | report only (mg/L) | all year | 006 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 50 lb/d | all year | 007 |
| Carbon, tot organic [TOC] | daily average | report only (mg/L) | all year | 007 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 mg/L | all year | 007 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 008 |
| Solids, total suspended | daily average | ≤ 52 lb/d | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 173 lb/d | all year | 008 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 008 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 008 |
| Oil & Grease | daily average | ≤ 26 lb/d | all year | 008 |
| Oil & Grease | daily maximum | ≤ 34.7 lb/d | all year | 008 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15 mg/L | all year | 008 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 24.4 lb/d | all year | 008 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 mg/L | all year | 008 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 122 lb/d | all year | 008 |
| Copper, total [as Cu] | daily average | ≤ .01376 mg/L | all year | 008 |
| Copper, total [as Cu] | daily maximum | ≤ .0291 mg/L | all year | 008 |
| Copper, total [as Cu] | daily average | ≤ .024 lb/d | all year | 008 |
| Copper, total [as Cu] | daily maximum | ≤ .05 lb/d | all year | 008 |
| Zinc, total [as Zn] | daily average | ≤ .136 mg/L | all year | 008 |
| Zinc, total [as Zn] | daily maximum | ≤ .288 mg/L | all year | 008 |
| Zinc, total [as Zn] | daily average | ≤ .236 lb/d | all year | 008 |
| Zinc, total [as Zn] | daily maximum | ≤ .5 lb/d | all year | 008 |
| Flow [dry weather] | daily average | ≤ .208 MGD | all year | 008 |
| Flow [dry weather] | daily maximum | ≤ .973 MGD | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 102 |
| pH | maximum | ≤ 9 SU | all year | 102 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 102 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 102 |
| Benzene, ethylbenzene, toluene, xylene combination | daily average | report only (mg/L) | all year | 102 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | ≤ .05 mg/L | all year | 102 |
| Petrol hydrocarbons, total recoverable | daily average | report only (mg/L) | all year | 102 |
| Petrol hydrocarbons, total recoverable | daily maximum | ≤ 15 mg/L | all year | 102 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| pH | minimum | ≥ 6 SU | all year | 105 |
| pH | maximum | ≤ 9 SU | all year | 105 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 105 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 105 |
| Benzene, ethylbenzene, toluene, xylene combination | daily average | report only (mg/L) | all year | 105 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | ≤ .05 mg/L | all year | 105 |
| Petrol hydrocarbons, total recoverable | daily average | report only (mg/L) | all year | 105 |
| Petrol hydrocarbons, total recoverable | daily maximum | ≤ 15 mg/L | all year | 105 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 105 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 105 |
| Whole effluent toxicity | single sample | ≤ 100 % | all year | TX2 |
| Whole effluent toxicity | single sample | ≤ 100 % | all year | TX2 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX2 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX2 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX3 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX3 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX4 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX4 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX4 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX4 |
| Whole effluent toxicity | single sample | ≤ 100 % | all year | TX5 |
| Whole effluent toxicity | single sample | ≤ 100 % | all year | TX5 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX5 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX5 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX5 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX5 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX6 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX6 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX6 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX6 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX7 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX7 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX8 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX8 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX8 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX8 |
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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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0003662 · MCP: https://passage-data.com/mcp