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.
One more press on the next page sends it; there is no link to click in an email. 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 TXR1518YP

MUSCOVY SUBSTATION PROJECT, Taylor, TX: NPDES TXR1518YP discharge permit, effluent exceedances, inspections, penalties

MUSCOVY SUBSTATION PROJECT, held by Oncor Electric Delivery Company LLC, holds NPDES permit TXR1518YP, which discharges to Mustang Creek. EPA’s file records it issued June 17, 2026 and expiring March 4, 2028.

MUSCOVY SUBSTATION PROJECT, Taylor, Texas: Coverage under a general permit TXR1518YP, held by Oncor Electric Delivery Company LLC; Construction stormwater; Effective; issued June 17, 2026, term to March 4, 2028; discharges to MUSTANG CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 21,901 were issued before TXR1518YP. Oncor Electric Delivery Company LLC holds 76 permits in Texas.

Other permits held by Oncor Electric Delivery Company LLC

Coverages issued nearest TXR1518YP

MUSCOVY SUBSTATION PROJECT among its neighbors

EPA’s permit file holds 84 discharge permits in the Mustang Creek subwatershed (HUC 120702050405), TXR1518YP among them. Its county holds 965, 17 of them major permits; TXR1518YP is a minor permit.

Other permits in the Mustang Creek subwatershed (HUC 120702050405)

What the register holds for MUSCOVY SUBSTATION PROJECT: its NPDES ID, its permit type and status, its dates, its address in Taylor, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1518YP.

Identity

Facility as filedMUSCOVY SUBSTATION PROJECT
Permittee as filedOncor Electric Delivery Company LLC
NPDES IDTXR1518YP
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 17, 2026
Expiration dateMarch 4, 2028
AddressTaylor, TX 76574
Receiving waterMUSTANG CREEK
SubwatershedMustang Creek (HUC 120702050405)
SIC4911 – Electric Services

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1518YP.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1518YP.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1518YP.

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 TXR1518YP.

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, TXR1518YP.

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

Nearby on the register

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

What this page shows

The MUSCOVY SUBSTATION PROJECT is one of 755 storm water construction permits in Williamson County, and among those, 86.9% carry an earlier issue date than this one. Only 0.3% of those 755 permits have a violation on file, and this permit records no pollutants under a numeric limit and no effluent exceedances. It also sits among 84 NPDES permits in the Mustang Creek subwatershed, this one included.