Clean Water Act discharge permit · NPDES TX0056821
PORT ISABEL DETENTION CENTER WWTP, Los Fresnos, TX: NPDES TX0056821 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
PORT ISABEL DETENTION CENTER WWTP, held by U.S. DEPARTMENT OF HOMELAND SECURITY IMMIGRATION AND CUSTOMS ENFORCEMENT, holds NPDES permit TX0056821, which discharges to Laguna Madre. EPA’s file records it issued July 13, 2020 and expiring July 13, 2025. 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 | PORT ISABEL DETENTION CENTER WWTP |
|---|---|
| Permittee as filed | U.S. DEPARTMENT OF HOMELAND SECURITY IMMIGRATION AND CUSTOMS ENFORCEMENT |
| NPDES ID | TX0056821 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Program | Publicly owned treatment works |
| Issued | July 13, 2020 |
| Expiration date | July 13, 2025 |
| Address | Los Fresnos, TX 78566 |
| Receiving water | Laguna Madre |
| Subwatershed | Laguna Atascosa (HUC 121102080800) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 37Pollutants on file
- 7Under a numeric limit
- 37With a violation of any kind
- 6With 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 | 60 | 43 | July 31, 2021 | 90,903,024% over the limit |
| Solids, total suspended | 3 | 49 | 17 | September 30, 2022 | 216% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 39 | 5 | June 30, 2022 | 125% over the limit |
| Chlorine, total residual | 2 | 26 | 4 | November 30, 2009 | 10% over the limit |
| Oxygen, dissolved [DO] | 1 | 14 | 4 | December 31, 2021 | 40% over the limit |
| E. coli | 2 | 6 | 2 | December 31, 2021 | 19,103% over the limit |
| pH | 2 | 27 | 0 | ||
| Arsenic, dry weight | 0 | 15 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 14 | 0 | ||
| Selenium, dry weight | 0 | 9 | 0 | ||
| Copper, dry weight | 0 | 9 | 0 | ||
| Cadmium, dry weight | 0 | 9 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 9 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 9 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 9 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 9 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 9 | 0 | ||
| Nickel, total [as Ni] | 0 | 6 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 6 | 0 | ||
| Toxicity characteristic leaching procedure | 0 | 6 | 0 | ||
| Level of pathogen requirements achieved | 0 | 6 | 0 | ||
| Description of pathogen option used | 0 | 6 | 0 | ||
| Vector attraction reduction alternative used | 0 | 6 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 5 | 0 | ||
| Annual amt of sludge incinerated | 0 | 5 | 0 | ||
| Annual amount of sludge land applied | 0 | 5 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 5 | 0 | ||
| Annual amt sludge transported interstate | 0 | 5 | 0 | ||
| Fecal coliform | 0 | 4 | 0 | ||
| Annual sludge production, total | 0 | 4 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 4 | 0 | ||
| Compliance w/part 258 sludge requirement | 0 | 4 | 0 | ||
| Salmonella | 0 | 4 | 0 | ||
| Unit w/liner/leachate collection system | 0 | 3 | 0 | ||
| Boundary areas | 0 | 3 | 0 | ||
| Pollutant table from 503.13 | 0 | 3 | 0 | ||
| Annual whole sludge application rate | 0 | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 27, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| July 14, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| November 6, 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
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, TX0056821.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 TX0056821 there.
Nearby on the register
- Discharge permits in Los Fresnos
- Every permit record in Los Fresnos, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.