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Inorganic Pigments, major discharger, Calcasieu, Louisiana. NPDES permit LA0080829 expired Jan 31, 2026; its limits still apply. Last 12 months: over a limit 6 times (last August 2026), 10 of 91 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| November 2025 | 101 | Carbon, tot organic [TOC], daily maximum | 52 mg/L | ≤ 50 mg/L | 4% |
| June 2026 | 001 | Solids, total suspended, daily maximum | 36669 lb/d | ≤ 14252 lb/d | 157% |
| June 2026 | 001 | Solids, total suspended, monthly average | 9964 lb/d | ≤ 4072 lb/d | 145% |
| June 2026 | 001 | Zirconium, total, daily maximum | 40.97 lb/d | ≤ 8.87 lb/d | 362% |
| August 2026 | 004 | Nickel, total [as Ni], daily maximum | .61 mg/L | ≤ .549 mg/L | 11% |
| August 2026 | 004 | Nickel, total [as Ni], monthly average | .605 mg/L | ≤ .398 mg/L | 52% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 4072 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 14252 lb/d | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | ≤ .63 lb/d | all year | 001 |
| Chromium, total [as Cr] | monthly average | ≤ 12 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 23 lb/d | all year | 001 |
| Cobalt, total [as Co] | daily maximum | ≤ .66 lb/d | all year | 001 |
| Copper, total [as Cu] | monthly average | ≤ .55 lb/d | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 1.31 lb/d | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 163 lb/d | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 529 lb/d | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 2.99 lb/d | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ 9.97 lb/d | all year | 001 |
| Vanadium, total [as V] | daily maximum | ≤ 3.85 lb/d | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 19.9 lb/d | all year | 001 |
| Titanium, total [as Ti] | monthly average | report only (lb/d) | all year | 001 |
| Titanium, total [as Ti] | daily maximum | report only (lb/d) | all year | 001 |
| Zirconium, total | daily maximum | ≤ 8.87 lb/d | all year | 001 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Mercury, total [as Hg] | monthly average | ≤ .05 lb/d | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ .12 lb/d | all year | 001 |
| pH range excursions, > 60 minutes | monthly total | ≤ 0 occur/mo | all year | 001 |
| pH range excursions, monthly total accum | monthly total | ≤ 446 min | all year | 001 |
| Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Pass/Fail Static Renewal 7Day Chronic Menidia | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Pass/Fail Static Renewal 7Day Chronic Menidia | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| 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 | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | 001 |
| Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | maximum | report only (%) | all year | 001 |
| Coef Of Var Static Renewal 7Day Chronic Menidia menidia | maximum | report only (%) | all year | 001 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH range excursions, > 60 minutes | monthly total | ≤ 0 occur/mo | all year | 002 |
| pH range excursions, monthly total accum | monthly total | ≤ 446 min | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Arsenic, total [as As] | monthly average | ≤ .4 mg/L | all year | 004 |
| Arsenic, total [as As] | daily maximum | ≤ .55 mg/L | all year | 004 |
| Beryllium, total [as Be] | monthly average | ≤ .199 mg/L | all year | 004 |
| Beryllium, total [as Be] | daily maximum | ≤ .275 mg/L | all year | 004 |
| Cadmium, total [as Cd] | monthly average | ≤ .199 mg/L | all year | 004 |
| Cadmium, total [as Cd] | daily maximum | ≤ .275 mg/L | all year | 004 |
| Chromium, total [as Cr] | monthly average | ≤ .248 mg/L | all year | 004 |
| Chromium, total [as Cr] | daily maximum | ≤ .343 mg/L | all year | 004 |
| Lead, total [as Pb] | monthly average | ≤ .199 mg/L | all year | 004 |
| Lead, total [as Pb] | daily maximum | ≤ .275 mg/L | all year | 004 |
| Thallium, total [as Tl] | monthly average | ≤ .7 mg/L | all year | 004 |
| Thallium, total [as Tl] | daily maximum | ≤ .97 mg/L | all year | 004 |
| Nickel, total [as Ni] | monthly average | ≤ .398 mg/L | all year | 004 |
| Nickel, total [as Ni] | daily maximum | ≤ .549 mg/L | all year | 004 |
| Silver, total [as Ag] | monthly average | ≤ .12 mg/L | all year | 004 |
| Silver, total [as Ag] | daily maximum | ≤ .17 mg/L | all year | 004 |
| Vanadium, total [as V] | daily maximum | ≤ .4 mg/L | all year | 004 |
| Zinc, total [as Zn] | monthly average | ≤ .497 mg/L | all year | 004 |
| Zinc, total [as Zn] | daily maximum | ≤ .686 mg/L | all year | 004 |
| Antimony, total [as Sb] | monthly average | ≤ .398 mg/L | all year | 004 |
| Antimony, total [as Sb] | daily maximum | ≤ .549 mg/L | all year | 004 |
| Selenium, total [as Se] | monthly average | ≤ .2 mg/L | all year | 004 |
| Selenium, total [as Se] | daily maximum | ≤ .28 mg/L | all year | 004 |
| Zirconium, total | daily maximum | ≤ .1 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| pH | monthly average | ≤ 6 SU | all year | 006 |
| pH | monthly average | ≤ 6 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 006 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 006 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 006 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 006 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 006 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 006 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 006 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 101 |
| Chloroform | monthly average | ≤ .111 mg/L | all year | 101 |
| Chloroform | daily maximum | ≤ .325 mg/L | all year | 101 |
| Chloroform | monthly average | ≤ .467 lb/d | all year | 101 |
| Chloroform | daily maximum | ≤ 1.37 lb/d | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 201 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 130 Chemicals and Allied Products permits in Louisiana.
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