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Clean Water Act discharge permit · NPDES TXR1503TK

RAMHORN HILL SWITCH - DUNHAM SWITCH 345 KV LINE, Roanoke, TX: NPDES TXR1503TK discharge permit, effluent exceedances, inspections, penalties

RAMHORN HILL SWITCH - DUNHAM SWITCH 345 KV LINE, held by Oncor Electric Delivery Company LLC, holds NPDES permit TXR1503TK, which discharges to Denton Creek. EPA’s file records it issued January 26, 2025 and expiring March 4, 2028.

RAMHORN HILL SWITCH - DUNHAM SWITCH 345 KV LINE, Roanoke, Texas: Coverage under a general permit TXR1503TK, held by Oncor Electric Delivery Company LLC; Construction stormwater; Effective; issued January 26, 2025, term to March 4, 2028; discharges to DENTON CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 11,213 were issued before TXR1503TK. Oncor Electric Delivery Company LLC holds 76 permits in Texas.

Other permits held by Oncor Electric Delivery Company LLC

Coverages issued nearest TXR1503TK

RAMHORN HILL SWITCH - DUNHAM SWITCH 345 KV LINE among its neighbors

EPA’s permit file holds 84 discharge permits in the Elizabeth Creek-Denton Creek subwatershed (HUC 120301040303), TXR1503TK among them. Its county holds 1,238, 16 of them major permits; TXR1503TK is a minor permit.

Other permits in the Elizabeth Creek-Denton Creek subwatershed (HUC 120301040303)

What the register holds for RAMHORN HILL SWITCH - DUNHAM SWITCH 345 KV LINE: its NPDES ID, its permit type and status, its dates, its address in Roanoke, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1503TK.

Identity

Facility as filedRAMHORN HILL SWITCH - DUNHAM SWITCH 345 KV LINE
Permittee as filedOncor Electric Delivery Company LLC
NPDES IDTXR1503TK
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 26, 2025
Expiration dateMarch 4, 2028
AddressRoanoke, TX 76262
Receiving waterDENTON CREEK
SubwatershedElizabeth Creek-Denton Creek (HUC 120301040303)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1503TK.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1503TK.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1503TK.

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 TXR1503TK.

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, TXR1503TK.

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  • One permit holder — $99/month
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  • One state — $4,990/year
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Nearby on the register

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

What this page shows

RAMHORN HILL SWITCH - DUNHAM SWITCH 345 KV LINE is one of 1,007 storm water construction permits on EPA's NPDES register in Denton County. Of all 1,007 storm water construction permits in Denton County, this one is included, and 33.9% of them have an earlier issue date than this permit. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance.