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

Martin Operating Partnership LP

Asphalt Paving Mixtures And Blocks, South Houston, Texas. NPDES permit TX0005479, in force until Feb 10, 2028. Last 12 months: over a limit 5 times (last May 2026), 3 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (18 values), outfall TX1 form Q quarterly (16 values), outfall TXA form S twice a year
Renewal application due
Aug 14, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 2 of 18 reports late

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

Period endingParameterReportedLimitOver by
October 2025Copper, total [as Cu], daily average.02 mg/L≤ .016 mg/L25%
December 2025Copper, total [as Cu], daily average.019 mg/L≤ .016 mg/L19%
January 2026Copper, total [as Cu], daily average.021 mg/L≤ .016 mg/L31%
February 2026Copper, total [as Cu], daily average.023 mg/L≤ .016 mg/L44%
May 2026Solids, total suspended, daily maximum23.4 lb/d≤ 20.6 lb/d14%

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily average≤ 63 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 100 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily average≤ 9.4 lb/dall year001
Solids, total suspendeddaily maximum≤ 20.6 lb/dall year001
Oil & Greasedaily average≤ 4.2 lb/dall year001
Oil & Greasedaily maximum≤ 7.5 lb/dall year001
Copper, total [as Cu]daily average≤ .016 mg/Lall year001
Copper, total [as Cu]daily maximum≤ .034 mg/Lall year001
Copper, total [as Cu]daily average≤ .008 lb/dall year001
Copper, total [as Cu]daily maximum≤ .017 lb/dall year001
Aluminum, total [as Al]daily average≤ .835 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ 1.766 mg/Lall year001
Aluminum, total [as Al]daily average≤ .41 lb/dall year001
Aluminum, total [as Al]daily maximum≤ .88 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ .06 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ .175 MGDall year001
Whole effluent toxicity - retest #148-hour 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 #248-hour 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 Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all yearTX1
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulexmonthly average minimumreport only (%)all yearTX1
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelasmonthly 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
LC50 Pass/Fail Static 24Hr Acute D. Pulexsingle samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Pimephales promelassingle 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 32 Petroleum Refining and Related Industries 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/TX0005479 · MCP: https://passage-data.com/mcp