Clean Water Act discharge permit · NPDES TX0146251
STARBASE LAUNCH PAD SITE, Brownsville, TX: NPDES TX0146251 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
STARBASE LAUNCH PAD SITE, held by SPACE EXPLORATION TECHNOLOGIES CORP, holds NPDES permit TX0146251, which discharges to Rio Grande Tidal. EPA’s file records it issued February 18, 2025 and expiring February 18, 2030. 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.
Identity
| Facility as filed | STARBASE LAUNCH PAD SITE |
|---|---|
| Permittee as filed | SPACE EXPLORATION TECHNOLOGIES CORP |
| NPDES ID | TX0146251 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 18, 2025 |
| Expiration date | February 18, 2030 |
| Address | Brownsville, TX 78521 |
| Receiving water | Rio Grande Tidal |
| Subwatershed | Bahia Grande-Brownsville Ship Channel (HUC 121102080900) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 1With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | 4 | 14 | 4 | June 30, 2026 | 585% over the limit |
| pH | 4 | 10 | 0 | ||
| Oil & Grease | 4 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 10 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 5 | 0 | ||
| Mercury, total [as Hg] | 2 | 4 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| Thallium, total [as Tl] | 2 | 2 | 0 | ||
| Zinc, total [as Zn] | 2 | 2 | 0 |
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 TX0146251.
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, TX0146251.
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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 TX0146251 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.