LUMINANT GENERATION COMPANY LLC

NPDES permit TX0001066 · Major NON-POTW · effective, expires 2031-03-20 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
40required values missing, on 5 form(s)
10of 38 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oil & Grease (2).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (60)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV <= 105 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 116 deg F all year
001Flow, in conduit or thru treatment plantDAILY AV <= 575 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 575 MGD all year
001Chlorine, total residualDAILY MX <= .2 mg/L all year
001Chlorine, total residualDAILY MX <= 160 lb/d all year
001Chlorine, free availableDAILY AV <= .2 mg/L all year
001Chlorine, free availableDAILY MX <= .5 mg/L all year
001Chlorine, free availableDAILY AV <= 80 lb/d all year
001Chlorine, free availableDAILY MX <= 200 lb/d all year
101pHMINIMUM >= 6 SU all year
101pHMAXIMUM <= 9 SU all year
101Solids, total suspendedDAILY AV <= 30 mg/L all year
101Solids, total suspendedDAILY MX <= 100 mg/L all year
101Oil & GreaseDAILY AV <= 15 mg/L all year
101Oil & GreaseDAILY MX <= 20 mg/L all year
101Flow, in conduit or thru treatment plantDAILY AV report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
201pHMINIMUM >= 6 SU all year
201pHMAXIMUM <= 9 SU all year
201Solids, total suspendedDAILY AV <= 30 mg/L all year
201Solids, total suspendedDAILY MX <= 100 mg/L all year
201Oil & GreaseDAILY AV <= 15 mg/L all year
201Oil & GreaseDAILY MX <= 20 mg/L all year
201Copper, total [as Cu]DAILY AV <= .5 mg/L all year
201Copper, total [as Cu]DAILY MX <= 1 mg/L all year
201Iron, total [as Fe]DAILY AV <= 1 mg/L all year
201Iron, total [as Fe]DAILY MX <= 1 mg/L all year
201Flow, in conduit or thru treatment plantDAILY AV report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1Whole effluent toxicity - retest #2MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelasMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TXALC50 Pass/Fail Static 24Hr Acute D. PulexSINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Pimephales promelasSINGSAMP report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states