Passage Data · Check a report · Use it from your AI

Sequa Corporation

Metal Coating And Allied Services, Channelview, Texas. NPDES permit TX0076945, in force until Nov 3, 2027. Last 12 months: over a limit 3 times (last August 2026), 3 of 38 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (20 values), outfall 101 form A monthly (12 values), outfall 201 form A monthly (10 values), outfall TX1 form Q quarterly (30 values), outfall TXA form S twice a year
Renewal application due
May 7, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 42 reports late

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

Period endingOutfallParameterReportedLimitOver by
December 2025001Zinc, total [as Zn], daily average.114 lb/d≤ .049 lb/d133%
December 2025001Zinc, total [as Zn], daily maximum.209 lb/d≤ .103 lb/d103%
August 2026101Solids, total suspended, daily maximum15.7 lb/d≤ 11.3 lb/d39%

Limits in force (78)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily averagereport only (lb/d)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year001
Oxygen demand, chem. [high level] [COD]daily average≤ 75 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 94 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Oil & Greasedaily average≤ 3.8 lb/dall year001
Oil & Greasedaily maximum≤ 5.6 lb/dall year001
Cyanide, free [as free]daily average≤ .003 lb/dall year001
Cyanide, free [as free]daily maximum≤ .007 lb/dall year001
Copper, total [as Cu]daily average≤ .005 lb/dall year001
Copper, total [as Cu]daily maximum≤ .01 lb/dall year001
Lead, total [as Pb]daily average≤ .059 lb/dall year001
Lead, total [as Pb]daily maximum≤ .118 lb/dall year001
Nickel, total [as Ni]daily average≤ .03 lb/dall year001
Nickel, total [as Ni]daily maximum≤ .064 lb/dall year001
Zinc, total [as Zn]daily average≤ .049 lb/dall year001
Zinc, total [as Zn]daily maximum≤ .103 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ .045 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ .165 MGDall year001
Solids, total suspendeddaily average≤ 7.5 lb/dall year101
Solids, total suspendeddaily maximum≤ 11.3 lb/dall year101
Cyanide, total [as CN]daily average≤ .029 lb/dall year101
Cyanide, total [as CN]daily maximum≤ .07 lb/dall year101
Chromium, total [as Cr]daily average≤ .07 lb/dall year101
Chromium, total [as Cr]daily maximum≤ .17 lb/dall year101
Iron, total [as Fe]daily average≤ .28 lb/dall year101
Iron, total [as Fe]daily maximum≤ .53 lb/dall year101
Aluminum, total [as Al]daily average≤ .0004 lb/dall year101
Aluminum, total [as Al]daily maximum≤ .0009 lb/dall year101
Flow, in conduit or thru treatment plantdaily average≤ .03 MGDall year101
Flow, in conduit or thru treatment plantdaily maximum≤ .15 MGDall year101
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year201
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year201
Solids, total suspendeddaily average≤ 20 mg/Lall year201
Solids, total suspendeddaily maximum≤ 45 mg/Lall year201
Flow, in conduit or thru treatment plantdaily average≤ .002 MGDall year201
Flow, in conduit or thru treatment plantdaily maximum≤ .004 MGDall year201
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year201
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year201
Enterococcidaily average≤ 35 CFU/100mLall year201
Enterococcidaily maximum≤ 104 CFU/100mLall year201
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
Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)7-day minimum≥ 8 %all yearTX1
Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)monthly average minimum≥ 8 %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] - Americamysis bahia (formerly Mysidopsis bahia)24-hour minimum≥ 100 %all yearTXA
Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)monthly average minimum≥ 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 17 Fabricated Metal Products permits in Texas.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0076945 · MCP: https://passage-data.com/mcp