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

MMGL East Texas II LLC

Natural Gas Liquids, Hawkins, Texas. NPDES permit TX0067687, in force until Jun 19, 2028. Last 12 months: over a limit 3 times (last June 2026), 15 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (17 values), outfall 001 form Q quarterly (1 value), outfall TX1 form Q quarterly (30 values), outfall TXA form S twice a year
Renewal application due
Dec 22, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
11 values over a limit, 0 required values missing, 0 of 22 reports late

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

Period endingParameterReportedLimitOver by
December 2025Whole Effluent Toxicity [WET] - P. promelas, 7-day minimum0 %≥ 96 %100%
December 2025Whole Effluent Toxicity [WET] - P. promelas, monthly average minimum0 %≥ 96 %100%
June 2026Whole Effluent Toxicity [WET] - P. promelas, monthly average minimum< 35 %≥ 96 %—

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily average≤ 50.1 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 75.1 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendeddaily average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendeddaily average≤ 75.1 lb/dall year001
Solids, total suspendeddaily maximum≤ 113 lb/dall year001
Copper, total [as Cu]daily average≤ .0195 mg/Lall year001
Copper, total [as Cu]daily maximum≤ .0413 mg/Lall year001
Copper, total [as Cu]daily average≤ .0488 lb/dall year001
Copper, total [as Cu]daily maximum≤ .1034 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ .3 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 2.25 MGDall year001
Chlorine, total residualdaily maximum≤ .011 mg/Lall year001
Mercury, total [as Hg]daily maximumreport only (mg/L)all year001
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 96 %all yearTX1
Whole Effluent Toxicity [WET] - C. dubiamonthly average minimum≥ 96 %all yearTX1
Whole Effluent Toxicity [WET] - P. promelas7-day minimum≥ 96 %all yearTX1
Whole Effluent Toxicity [WET] - P. promelasmonthly average minimum≥ 96 %all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubiavaluereport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Pimephales promelasvaluereport only (%)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic 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 30 Oil and Gas Extraction 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/TX0067687 · MCP: https://passage-data.com/mcp