Velarion Records

Clean Water Act discharge permit · NPDES TX0054500

MARTIN LAKE STEAM ELECTRIC STATION, Tatum, TX: NPDES TX0054500 discharge permit, effluent exceedances, inspections, penalties

MARTIN LAKE STEAM ELECTRIC STATION, held by LUMINANT GENERATION COMPANY LL, holds NPDES permit TX0054500, which discharges to Martin Lake, Martin Creek, Sabine R. EPA’s file records it issued June 18, 2009 and expiring April 1, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMARTIN LAKE STEAM ELECTRIC STATION
Permittee as filedLUMINANT GENERATION COMPANY LL
NPDES IDTX0054500
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 18, 2009
Expiration dateApril 1, 2012
AddressTatum, TX 75691
Receiving waterMARTIN LAKE, MARTIN CREEK, SABINE R
SubwatershedMartin Lake (HUC 120100020803)
SIC4911 – Electric Services
Other EPA IDs (FRS)RCRA handler TXD000821306; ICIS-AIR source TX0000004840100011

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended91311December 31, 202496% over the limit
E. coli022December 31, 2025506% over the limit
Chlorine, total residual351February 28, 201510% over the limit
pH1031January 31, 2014
BOD, 5-day, 20 deg. C231May 31, 202432% over the limit
Selenium, total [as Se]880
Chlorine, free available440
Flow, in conduit or thru treatment plant1220
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia220
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia220
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia220
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia220
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia220
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia220
LC50 Pass/Fail Static 24Hr Acute D. Pulex110
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas110
Temperature, water deg. fahrenheit400
Oil & Grease400
Whole effluent toxicity - retest #1300
Whole effluent toxicity - retest #2300
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas200
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas200
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas200
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas200
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas200
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas200

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0054500.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0054500 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

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