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Clean Water Act discharge permit · NPDES TXR1548SY

T351 HOWARD RD TO LEON CREEK 138KV- PHASE 1, San Antonio, TX: NPDES TXR1548SY discharge permit, effluent exceedances, inspections, penalties

T351 HOWARD RD TO LEON CREEK 138KV- PHASE 1, held by Source Power, LLC, holds NPDES permit TXR1548SY, which discharges to Leon Creek. EPA’s file records it issued December 7, 2024 and expiring March 4, 2028.

T351 HOWARD RD TO LEON CREEK 138KV- PHASE 1, San Antonio, Texas: Coverage under a general permit TXR1548SY, held by Source Power, LLC; Construction stormwater; Effective; issued December 7, 2024, term to March 4, 2028; discharges to LEON CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 10,473 were issued before TXR1548SY.

Coverages issued nearest TXR1548SY

T351 HOWARD RD TO LEON CREEK 138KV- PHASE 1 among its neighbors

EPA’s permit file holds 88 discharge permits in the Lower Leon Creek subwatershed (HUC 121003020406), TXR1548SY among them. Its county holds 2,157, 12 of them major permits; TXR1548SY is a minor permit.

Other permits in the Lower Leon Creek subwatershed (HUC 121003020406)

What the register holds for T351 HOWARD RD TO LEON CREEK 138KV- PHASE 1: its NPDES ID, its permit type and status, its dates, its address in San Antonio, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1548SY.

Identity

Facility as filedT351 HOWARD RD TO LEON CREEK 138KV- PHASE 1
Permittee as filedSource Power, LLC
NPDES IDTXR1548SY
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 7, 2024
Expiration dateMarch 4, 2028
AddressSan Antonio, TX 78211
Receiving waterLEON CREEK
Receiving water impaired303(D) Listed
SubwatershedLower Leon Creek (HUC 121003020406)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1548SY.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1548SY.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1548SY.

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 TXR1548SY.

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, TXR1548SY.

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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

The permit filed as T351 HOWARD RD TO LEON CREEK 138KV- PHASE 1 sits among 1,788 storm water construction permits in Bexar County, where 0.2% carry a violation on file. Of the 88 NPDES permits in the Lower Leon Creek subwatershed, this one is among them, and it records no pollutants under a numeric limit and no effluent exceedances.