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

Luminant Generation Company LL

Electric Services, major discharger, Tatum, Texas. NPDES permit TX0054500, in force until Jul 29, 2027. Last 12 months: over a limit once (last December 2025), 63 of 63 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (10 values), outfall 101 form A monthly (11 values), outfall 201 form A monthly (16 values), outfall 301 form A monthly (7 values), outfall 401 form A monthly (16 values), outfall TX1 form Q quarterly (28 values), and 1 more form
Renewal application due
Jan 30, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 2 required values missing, 64 of 78 reports late

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

Period endingParameterReportedLimitOver by
December 2025E. coli, daily maximum1986.3 CFU/100mL≤ 399 CFU/100mL398%

Limits in force (94)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily average≤ 110 deg FJan, Feb, Mar, Nov, Dec001
Temperature, water deg. fahrenheitdaily average≤ 112 deg FApr–Oct001
Temperature, water deg. fahrenheitdaily maximum≤ 115 deg FJan, Feb, Mar, Nov, Dec001
Temperature, water deg. fahrenheitdaily maximum≤ 117 deg FApr–Oct001
Flow, in conduit or thru treatment plantdaily average≤ 3045 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 3045 MGDall year001
Chlorine, total residualdaily maximum≤ .2 mg/Lall year001
Chlorine, total residualdaily maximum≤ 1000 lb/dall year001
Chlorine, free availabledaily average≤ .2 mg/Lall year001
Chlorine, free availabledaily maximum≤ .5 mg/Lall year001
Chlorine, free availabledaily average≤ 424 lb/dall year001
Chlorine, free availabledaily maximum≤ 1059 lb/dall year001
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year101
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Solids, total suspendeddaily average≤ 20 mg/Lall year101
Solids, total suspendeddaily maximum≤ 45 mg/Lall year101
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year101
E. colidaily average≤ 126 CFU/100mLall year101
E. colidaily maximum≤ 399 CFU/100mLall year101
pHminimum≥ 6 SUall year201
pHmaximum≤ 9 SUall year201
Solids, total suspendeddaily average≤ 30 mg/Lall year201
Solids, total suspendeddaily maximum≤ 100 mg/Lall year201
Oil & Greasedaily average≤ 15 mg/Lall year201
Oil & Greasedaily maximum≤ 20 mg/Lall year201
Nitrite + Nitrate total [as N]daily average≤ 3 mg/Lall year201
Nitrite + Nitrate total [as N]daily maximum≤ 4 mg/Lall year201
Arsenic, total [as As]daily average≤ .008 mg/Lall year201
Arsenic, total [as As]daily maximum≤ .018 mg/Lall year201
Selenium, total [as Se]daily average≤ .02 mg/Lall year201
Selenium, total [as Se]daily maximum≤ .035 mg/Lall year201
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201
Mercury, total [as Hg]daily average≤ .000034 mg/Lall year201
Mercury, total [as Hg]daily maximum≤ .000103 mg/Lall year201
pHminimum≥ 6 SUall year301
pHmaximum≤ 9 SUall year301
Solids, total suspendeddaily maximum≤ 50 mg/Lall year301
Selenium, total [as Se]daily average≤ .02 mg/Lall year301
Selenium, total [as Se]daily maximum≤ .035 mg/Lall year301
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year301
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year301
pHminimum≥ 6 SUall year401
pHmaximum≤ 9 SUall year401
Solids, total suspendeddaily average≤ 30 mg/Lall year401
Solids, total suspendeddaily maximum≤ 50 mg/Lall year401
Oil & Greasedaily average≤ 15 mg/Lall year401
Oil & Greasedaily maximum≤ 20 mg/Lall year401
Nitrite + Nitrate total [as N]daily average≤ 3 mg/Lall year401
Nitrite + Nitrate total [as N]daily maximum≤ 4 mg/Lall year401
Arsenic, total [as As]daily average≤ .008 mg/Lall year401
Arsenic, total [as As]daily maximum≤ .018 mg/Lall year401
Selenium, total [as Se]daily average≤ .02 mg/Lall year401
Selenium, total [as Se]daily maximum≤ .035 mg/Lall year401
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year401
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year401
Mercury, total [as Hg]daily average≤ .000034 mg/Lall year401
Mercury, total [as Hg]daily maximum≤ .000103 mg/Lall year401
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 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
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 87 Electric Services 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/TX0054500 · MCP: https://passage-data.com/mcp