Clean Water Act discharge permit · NPDES TX0133051
ARANSAS BAY UTILITIES WTP, Rockport, TX: NPDES TX0133051 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
ARANSAS BAY UTILITIES WTP, held by ARANSAS BAY UTILITIES CO, LLC, holds NPDES permit TX0133051. EPA’s file records it issued March 25, 2015 and expiring March 1, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ARANSAS BAY UTILITIES WTP |
|---|---|
| Permittee as filed | ARANSAS BAY UTILITIES CO, LLC |
| NPDES ID | TX0133051 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 25, 2015 |
| Expiration date | March 1, 2020 |
| Address | Rockport, TX 78382 |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 77 | 41 | July 31, 2026 | 946% over the limit |
| pH | 2 | 36 | 0 | ||
| Chloride [as Cl] | 2 | 34 | 0 | ||
| Sulfate, total [as SO4] | 2 | 34 | 0 | ||
| Solids, total dissolved | 2 | 34 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 13, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| August 2, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
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
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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 TX0133051 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.