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Clean Water Act discharge permit · NPDES TXR1534WC

LA PALMA 345 KV SUBSTATION, San Benito, TX: NPDES TXR1534WC discharge permit, effluent exceedances, inspections, penalties

LA PALMA 345 KV SUBSTATION, held by AEP Texas Inc., holds NPDES permit TXR1534WC, which discharges to The Resaca. EPA’s file records it issued October 10, 2025 and expiring March 4, 2028.

LA PALMA 345 KV SUBSTATION, San Benito, Texas: Coverage under a general permit TXR1534WC, held by AEP Texas Inc.; Construction stormwater; Effective; issued October 10, 2025, term to March 4, 2028; discharges to THE RESACA.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 16,343 were issued before TXR1534WC. AEP Texas Inc. holds 50 permits in Texas.

Other permits held by AEP Texas Inc.

Coverages issued nearest TXR1534WC

LA PALMA 345 KV SUBSTATION among its neighbors

EPA’s permit file holds 81 discharge permits in the Line V Canal-Arroyo Colorado subwatershed (HUC 121102080700), TXR1534WC among them. Its county holds 327, 11 of them major permits; TXR1534WC is a minor permit.

Other permits in the Line V Canal-Arroyo Colorado subwatershed (HUC 121102080700)

What the register holds for LA PALMA 345 KV SUBSTATION: its NPDES ID, its permit type and status, its dates, its address in San Benito, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1534WC.

Identity

Facility as filedLA PALMA 345 KV SUBSTATION
Permittee as filedAEP Texas Inc.
NPDES IDTXR1534WC
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 10, 2025
Expiration dateMarch 4, 2028
AddressSan Benito, TX 78586
Receiving waterTHE RESACA
SubwatershedLine V Canal-Arroyo Colorado (HUC 121102080700)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1534WC.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1534WC.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1534WC.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXR1534WC.

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, TXR1534WC.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The LA PALMA 345 KV SUBSTATION permit, held by AEP Texas Inc., is one of 192 storm water construction permits in Cameron County, and 71.4% of those 192 were issued earlier than this one. It also sits among 81 NPDES permits in the Line V Canal-Arroyo Colorado subwatershed, and 0.0% of the Cameron County storm water construction permits have a violation on file.