Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES TXR1532XM

KEY SUB-WILLOW VALLEY SW 138KV REBUILD, Lamesa, TX: NPDES TXR1532XM discharge permit, effluent exceedances, inspections, penalties

KEY SUB-WILLOW VALLEY SW 138KV REBUILD, held by Oncor Electric Delivery Company LLC, holds NPDES permit TXR1532XM, which discharges to Lake J.B. Thomas. EPA’s file records it issued February 28, 2026 and expiring March 4, 2028. 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.

What the register holds for KEY SUB-WILLOW VALLEY SW 138KV REBUILD: its NPDES ID, its permit type and status, its dates, its address in Lamesa, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1532XM.

Identity

Facility as filedKEY SUB-WILLOW VALLEY SW 138KV REBUILD
Permittee as filedOncor Electric Delivery Company LLC
NPDES IDTXR1532XM
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 28, 2026
Expiration dateMarch 4, 2028
AddressLamesa, TX 79331
Receiving waterLAKE J.B. THOMAS
SubwatershedLittle Grape Creek-Grape Creek (HUC 120800020402)
SIC4911 – Electric Services

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1532XM.

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 TXR1532XM.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXR1532XM.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 TXR1532XM there.

Nearby on the register

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

What this page shows

The KEY SUB-WILLOW VALLEY SW 138KV REBUILD permit is the only NPDES permit in the Little Grape Creek-Grape Creek subwatershed, and it is one of 7 storm water construction permits on the register in Dawson County. Of those 7 Dawson County storm water construction permits, 0.0% have a violation on file, and this permit has no pollutants under a numeric limit and no effluent exceedances.