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Albemarle Corporation

Industrial Organic Chemicals, major discharger, Pasadena, Texas. NPDES permit TX0004731 expired Dec 8, 2025; its limits still apply. 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 (18 values), outfall 003 form A monthly (6 values), outfall 004 form A monthly (4 values), outfall 004 form Q quarterly (2 values), outfall TX1 form Q quarterly (28 values), outfall 001 form Y yearly, and 1 more form
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 47 reports late

Limits in force (175)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 5 SUall year001
pHmaximum≤ 11 SUall year001
Solids, total suspendeddaily average≤ 1200 lb/dall year001
Solids, total suspendeddaily maximum≤ 2400 lb/dall year001
Nitrogen, ammonia total [as N]daily average≤ 150 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 300 lb/dall year001
Carbon, tot organic [TOC]daily average≤ 1540 lb/dall year001
Carbon, tot organic [TOC]daily maximum≤ 3080 lb/dall year001
Nickel, total [as Ni]daily average≤ 3.63 lb/dall year001
Nickel, total [as Ni]daily maximum≤ 7.68 lb/dall year001
Carbon tetrachloridedaily average≤ .142 lb/dall year001
Carbon tetrachloridedaily maximum≤ .3 lb/dall year001
1,2-Dichloroethanedaily average≤ .537 lb/dall year001
1,2-Dichloroethanedaily maximum≤ 1.67 lb/dall year001
Chloroformdaily average≤ .166 lb/dall year001
Chloroformdaily maximum≤ .363 lb/dall year001
Toluenedaily average≤ .205 lb/dall year001
Toluenedaily maximum≤ .631 lb/dall year001
Benzenedaily average≤ .292 lb/dall year001
Benzenedaily maximum≤ 1.07 lb/dall year001
Acenaphthylenedaily average≤ .174 lb/dall year001
Acenaphthylenedaily maximum≤ .466 lb/dall year001
Acenaphthenedaily average≤ .174 lb/dall year001
Acenaphthenedaily maximum≤ .466 lb/dall year001
Acrylonitriledaily average≤ .758 lb/dall year001
Acrylonitriledaily maximum≤ 1.91 lb/dall year001
Anthracenedaily average≤ .174 lb/dall year001
Anthracenedaily maximum≤ .466 lb/dall year001
Benzo[k]fluoranthenedaily average≤ .174 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ .466 lb/dall year001
Benzo[a]pyrenedaily average≤ .0044 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .0093 lb/dall year001
Chlorobenzenedaily average≤ .118 lb/dall year001
Chlorobenzenedaily maximum≤ .221 lb/dall year001
Chrysenedaily average≤ .174 lb/dall year001
Chrysenedaily maximum≤ .466 lb/dall year001
Diethyl phthalatedaily average≤ .639 lb/dall year001
Diethyl phthalatedaily maximum≤ 1.6 lb/dall year001
Dimethyl phthalatedaily average≤ .15 lb/dall year001
Dimethyl phthalatedaily maximum≤ .371 lb/dall year001
Ethylbenzenedaily average≤ .253 lb/dall year001
Ethylbenzenedaily maximum≤ .852 lb/dall year001
Fluoranthenedaily average≤ .197 lb/dall year001
Fluoranthenedaily maximum≤ .537 lb/dall year001
Fluorenedaily average≤ .174 lb/dall year001
Fluorenedaily maximum≤ .466 lb/dall year001
Hexachlorobutadienedaily average≤ .158 lb/dall year001
Hexachlorobutadienedaily maximum≤ .387 lb/dall year001
Hexachloroethanedaily average≤ .166 lb/dall year001
Hexachloroethanedaily maximum≤ .426 lb/dall year001
Methyl chloride [Chloromethane]daily average≤ .679 lb/dall year001
Methyl chloride [Chloromethane]daily maximum≤ 1.5 lb/dall year001
Methylene chloridedaily average≤ .316 lb/dall year001
Methylene chloridedaily maximum≤ .702 lb/dall year001
Nitrobenzenedaily average≤ .213 lb/dall year001
Nitrobenzenedaily maximum≤ .537 lb/dall year001
Phenanthrenedaily average≤ .174 lb/dall year001
Phenanthrenedaily maximum≤ .466 lb/dall year001
Pyrenedaily average≤ .197 lb/dall year001
Pyrenedaily maximum≤ .529 lb/dall year001
Tetrachloroethylenedaily average≤ .174 lb/dall year001
Tetrachloroethylenedaily maximum≤ .442 lb/dall year001
1,1-Dichloroethanedaily average≤ .174 lb/dall year001
1,1-Dichloroethanedaily maximum≤ .466 lb/dall year001
1,1-Dichloroethylenedaily average≤ .126 lb/dall year001
1,1-Dichloroethylenedaily maximum≤ .197 lb/dall year001
1,1,1-Trichloroethanedaily average≤ .166 lb/dall year001
1,1,1-Trichloroethanedaily maximum≤ .426 lb/dall year001
1,1,2-Trichloroethanedaily average≤ .166 lb/dall year001
1,1,2-Trichloroethanedaily maximum≤ .426 lb/dall year001
Benzo[a]anthracenedaily average≤ .044 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .093 lb/dall year001
1,2-Dichlorobenzenedaily average≤ .608 lb/dall year001
1,2-Dichlorobenzenedaily maximum≤ 1.29 lb/dall year001
1,2-Dichloropropanedaily average≤ 1.21 lb/dall year001
1,2-Dichloropropanedaily maximum≤ 1.82 lb/dall year001
trans-1,2-Dichloroethylenedaily average≤ .166 lb/dall year001
trans-1,2-Dichloroethylenedaily maximum≤ .426 lb/dall year001
1,2,4-Trichlorobenzenedaily average≤ .537 lb/dall year001
1,2,4-Trichlorobenzenedaily maximum≤ 1.11 lb/dall year001
1,3-Dichlorobenzenedaily average≤ .245 lb/dall year001
1,3-Dichlorobenzenedaily maximum≤ .347 lb/dall year001
1,4-Dichlorobenzenedaily average≤ .118 lb/dall year001
1,4-Dichlorobenzenedaily maximum≤ .221 lb/dall year001
2-Chlorophenoldaily average≤ .245 lb/dall year001
2-Chlorophenoldaily maximum≤ .773 lb/dall year001
2-Nitrophenoldaily average≤ .324 lb/dall year001
2-Nitrophenoldaily maximum≤ .545 lb/dall year001
2,4-Dichlorophenoldaily average≤ .308 lb/dall year001
2,4-Dichlorophenoldaily maximum≤ .884 lb/dall year001
2,4-Dimethylphenoldaily average≤ .142 lb/dall year001
2,4-Dimethylphenoldaily maximum≤ .284 lb/dall year001
2,4-Dinitrotoluenedaily average≤ .892 lb/dall year001
2,4-Dinitrotoluenedaily maximum≤ 2.25 lb/dall year001
2,4-Dinitrophenoldaily average≤ .56 lb/dall year001
2,4-Dinitrophenoldaily maximum≤ .971 lb/dall year001
2,6-Dinitrotoluenedaily average≤ 2.01 lb/dall year001
2,6-Dinitrotoluenedaily maximum≤ 5.06 lb/dall year001
4-Nitrophenoldaily average≤ .568 lb/dall year001
4-Nitrophenoldaily maximum≤ .979 lb/dall year001
4,6-Dinitro-o-cresoldaily average≤ .616 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ 2.19 lb/dall year001
Phenoldaily average≤ .118 lb/dall year001
Phenoldaily maximum≤ .205 lb/dall year001
Naphthalenedaily average≤ .174 lb/dall year001
Naphthalenedaily maximum≤ .466 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily average≤ .813 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 2.2 lb/dall year001
Di-n-butyl phthalatedaily average≤ .213 lb/dall year001
Di-n-butyl phthalatedaily maximum≤ .45 lb/dall year001
Vinyl chloridedaily average≤ .821 lb/dall year001
Vinyl chloridedaily maximum≤ 2.12 lb/dall year001
Trichloroethylenedaily average≤ .166 lb/dall year001
Trichloroethylenedaily maximum≤ .426 lb/dall year001
Hexachlorobenzenedaily average≤ .0012 lb/dall year001
Hexachlorobenzenedaily maximum≤ .0025 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ 6.164 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 13.3 MGDall year001
1,3-Dichloropropylenedaily average≤ .229 lb/dall year001
1,3-Dichloropropylenedaily maximum≤ .347 lb/dall year001
Enterococcidaily average≤ 35 CFU/100mLall year001
Enterococcidaily maximum≤ 104 CFU/100mLall year001
3,4-Benzofluoranthenedaily average≤ .182 lb/dall year001
3,4-Benzofluoranthenedaily maximum≤ .481 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily average≤ 754 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1508 lb/dall year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
Chloroethanedaily average≤ .821 lb/dall year001
Chloroethanedaily maximum≤ 2.12 lb/dall year001
pHminimum≥ 6 SUall year003
pHmaximum≤ 9 SUall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year003
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHminimum≥ 6 SUall year004
pHmaximum≤ 9 SUall year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year004
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXA
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXA
Whole Effluent Toxicity [WET] - M. beryllinaminimum> 100 %all yearTXA
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Menidia menidiasingle samplereport only (pass=0;fail=1)all yearTXA

How strict are these limits?

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/TX0004731 · MCP: https://passage-data.com/mcp