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Freeport LNG Development LP

Natural Gas Transmission, Quintana, Texas. NPDES permit TX0127566, in force until Feb 28, 2029. Last 12 months: over a limit 2 times (last January 2026), 8 of 114 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 002 form A monthly (12 values), outfall 003 form A monthly (9 values), outfall 004 form A monthly (14 values), outfall 005 form A monthly (9 values), outfall 006 form A monthly (17 values), outfall 007 form A monthly (14 values), and 13 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 117 reports late

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

Period endingParameterReportedLimitOver by
January 2026Copper, total [as Cu], daily average.051 mg/L≤ .024 mg/L113%
January 2026Zinc, total [as Zn], daily average.365 mg/L≤ .255 mg/L43%

Limits in force (221)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 9 SUall year002
Oil & Greasedaily average≤ 10 mg/Lall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Oil & Greasedaily averagereport only (lb/d)all year002
Oil & Greasedaily maximumreport only (lb/d)all year002
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year002
Zinc, total [as Zn]daily averagereport only (mg/L)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualmonthly maximum≤ .019 mg/Lall year002
pHminimum≥ 6.5 SUall year003
pHmaximum≤ 9 SUall year003
Oil & Greasedaily average≤ 10 mg/Lall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Oil & Greasedaily averagereport only (lb/d)all year003
Oil & Greasedaily maximumreport only (lb/d)all year003
Carbon, tot organic [TOC]daily maximum≤ 50 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≥ 6.5 SUall year004
pHmaximum≤ 9 SUall year004
Solids, total suspendeddaily average≤ 45 mg/Lall year004
Solids, total suspendeddaily maximum≤ 45 mg/Lall year004
Solids, total suspendeddaily averagereport only (lb/d)all year004
Solids, total suspendeddaily maximumreport only (lb/d)all year004
Oil & Greasedaily average≤ 10 mg/Lall year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Oil & Greasedaily averagereport only (lb/d)all year004
Oil & Greasedaily maximumreport only (lb/d)all year004
Carbon, tot organic [TOC]daily maximum≤ 50 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
Chlorine, total residualmonthly maximum≤ .019 mg/Lall year004
pHminimum≥ 6.5 SUall year005
pHmaximum≤ 9 SUall year005
Oil & Greasedaily average≤ 10 mg/Lall year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Oil & Greasedaily averagereport only (lb/d)all year005
Oil & Greasedaily maximumreport only (lb/d)all year005
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year005
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
pHminimum≥ 6.5 SUall year006
pHmaximum≤ 9 SUall year006
Solids, total suspendeddaily average≤ 45 mg/Lall year006
Solids, total suspendeddaily maximum≤ 45 mg/Lall year006
Oil & Greasedaily average≤ 10 mg/Lall year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Oil & Greasedaily averagereport only (lb/d)all year006
Oil & Greasedaily maximumreport only (lb/d)all year006
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year006
Copper, total [as Cu]daily average≤ .024 mg/Lall year006
Copper, total [as Cu]daily maximum≤ .051 mg/Lall year006
Thallium, total [as Tl]daily averagereport only (mg/L)all year006
Thallium, total [as Tl]daily maximumreport only (mg/L)all year006
Zinc, total [as Zn]daily average≤ .255 mg/Lall year006
Zinc, total [as Zn]daily maximum≤ .54 mg/Lall year006
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
pHminimum≥ 6.5 SUall year007
pHmaximum≤ 9 SUall year007
Oil & Greasedaily average≤ 10 mg/Lall year007
Oil & Greasedaily maximum≤ 15 mg/Lall year007
Oil & Greasedaily averagereport only (lb/d)all year007
Oil & Greasedaily maximumreport only (lb/d)all year007
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year007
Copper, total [as Cu]daily averagereport only (mg/L)all year007
Copper, total [as Cu]daily maximumreport only (mg/L)all year007
Zinc, total [as Zn]daily averagereport only (mg/L)all year007
Zinc, total [as Zn]daily maximumreport only (mg/L)all year007
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Chlorine, total residualmonthly maximum≤ .019 mg/Lall year007
pHminimum≥ 6.5 SUall year008
pHmaximum≤ 9 SUall year008
Oil & Greasedaily average≤ 10 mg/Lall year008
Oil & Greasedaily maximum≤ 15 mg/Lall year008
Oil & Greasedaily averagereport only (lb/d)all year008
Oil & Greasedaily maximumreport only (lb/d)all year008
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year008
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
pHminimum≥ 6.5 SUall year009
pHmaximum≤ 9 SUall year009
Oil & Greasedaily average≤ 10 mg/Lall year009
Oil & Greasedaily maximum≤ 15 mg/Lall year009
Oil & Greasedaily averagereport only (lb/d)all year009
Oil & Greasedaily maximumreport only (lb/d)all year009
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year009
Zinc, total [as Zn]daily averagereport only (mg/L)all year009
Zinc, total [as Zn]daily maximumreport only (mg/L)all year009
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX5
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX5
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX5
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX5
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX5
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX5
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX5
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX5
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX5
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX5
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX5
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX5
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX5
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX5
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX5
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX5
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX5
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX5
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX5
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX5
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX5
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX5
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX5
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX5
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX5
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX5
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX5
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX5
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX7
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX7
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX7
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX7
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX7
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX7
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX7
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX7
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX7
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX7
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX7
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX7
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX8
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX8
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX8
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX8
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX8
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX8
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX8
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX8
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX8
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX8
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX8
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX8
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX8
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX8
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX8
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX8
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX8
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX8
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX8
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX8
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX8
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX8
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX8
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX8
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX8
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX8
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX8
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX8
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX9
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX9
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX9
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX9
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX9
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX9
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX9
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX9
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX9
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX9
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX9
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX9
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX9
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX9
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX9
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX9
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX9
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX9
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (pass=0;fail=1)all yearTX9
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (pass=0;fail=1)all yearTX9
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX9
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX9
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX9
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX9
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX9
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX9
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX9
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinamonthly average minimumreport only (%)all yearTX9
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXE
LC50 Pass/Fail Static 24Hr Acute Menidia beryllinasingle grab samplereport only (pass=0;fail=1)all yearTXE
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXG
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXG
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXG
LC50 Pass/Fail Static 24Hr Acute Menidia beryllinasingle grab samplereport only (pass=0;fail=1)all yearTXG
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXH
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXH
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXH
LC50 Pass/Fail Static 24Hr Acute Menidia beryllinasingle grab samplereport only (pass=0;fail=1)all yearTXH
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXI
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXI
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXI
LC50 Pass/Fail Static 24Hr Acute Menidia beryllinasingle grab samplereport only (pass=0;fail=1)all yearTXI

New limits from Mar 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Copper, total [as Cu], daily average outfall 0070.0241 mg/Lnew0.41 mg/L (8 values)17×
Copper, total [as Cu], daily maximum outfall 0070.0511 mg/Lnew0.47 mg/L (8 values)9.2×
Zinc, total [as Zn], daily average outfall 0070.255 mg/Lnew0.937 mg/L (8 values)3.67×
Zinc, total [as Zn], daily maximum outfall 0070.539 mg/Lnew1.065 mg/L (8 values)1.98×
Zinc, total [as Zn], daily average outfall 0020.255 mg/Lnew0.24 mg/L (11 values)0.941×
Zinc, total [as Zn], daily maximum outfall 0020.539 mg/Lnew0.29 mg/L (11 values)0.538×
Thallium, total [as Tl], daily average outfall 0060.00031 mg/Lnew0 mg/L (8 values)0×
Thallium, total [as Tl], daily maximum outfall 0060.00067 mg/Lnew0 mg/L (8 values)0×

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Same industry: the 6 Natural Gas Transmission permits in Texas.

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Your permit document is the final word. As JSON: /api/v1/permits/TX0127566 · MCP: https://passage-data.com/mcp