Clean Water Act discharge permit · NPDES TXR1532WD
SKY HARBOUR HANGAR DEVELOPMENT PHASE 2, Addison, TX: NPDES TXR1532WD discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SKY HARBOUR HANGAR DEVELOPMENT PHASE 2, held by Ascend Aviation Services LLC, holds NPDES permit TXR1532WD, which discharges to Hutton Branch Creek To Elm Fork Trinity River Belo. EPA’s file records it issued October 15, 2025 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for SKY HARBOUR HANGAR DEVELOPMENT PHASE 2: its NPDES ID, its permit type and status, its dates, its address in Addison, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1532WD.
Identity
| Facility as filed | SKY HARBOUR HANGAR DEVELOPMENT PHASE 2 |
|---|---|
| Permittee as filed | Ascend Aviation Services LLC |
| NPDES ID | TXR1532WD |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | October 15, 2025 |
| Expiration date | March 4, 2028 |
| Address | Addison, TX 75001 |
| Receiving water | HUTTON BRANCH CREEK TO ELM FORK TRINITY RIVER BELO |
| Subwatershed | Grapevine Creek-Elm Fork Trinity River (HUC 120301031004) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1532WD.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1532WD.
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, TXR1532WD.
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- One watershed — $2,990/year
- One state — $4,990/year
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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 TXR1532WD there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.