Clean Water Act discharge permit · NPDES TX0091031
MUSTANG ISLAND SOUTH WWTP, Port Aransas, TX: NPDES TX0091031 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MUSTANG ISLAND SOUTH WWTP, held by NUECES COUNTY WCID 4, holds NPDES permit TX0091031, which discharges to Tidal Canal;Shamrock Cove;Corpus Christi. EPA’s file records it issued December 9, 2019 and expiring December 9, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for MUSTANG ISLAND SOUTH WWTP: its NPDES ID, its permit type and status, its dates, its address in Port Aransas, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TX0091031.
Identity
| Facility as filed | MUSTANG ISLAND SOUTH WWTP |
|---|---|
| Permittee as filed | NUECES COUNTY WCID 4 |
| NPDES ID | TX0091031 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 9, 2019 |
| Expiration date | December 9, 2024 |
| Address | Port Aransas, TX 78373 |
| Receiving water | TIDAL CANAL;SHAMROCK COVE;CORPUS CHRISTI |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 TX0091031.
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 TX0091031.
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, TX0091031.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/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 TX0091031 there.
Nearby on the register
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- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.