Clean Water Act discharge permit · NPDES TXR1537UG
HORIZON LAKES, Mclendonchisholm, TX: NPDES TXR1537UG discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HORIZON LAKES, held by MC Trilogy Texas, LLC, holds NPDES permit TXR1537UG, which discharges to Long Branch. EPA’s file records it issued April 11, 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.
Identity
| Facility as filed | HORIZON LAKES |
|---|---|
| Permittee as filed | MC Trilogy Texas, LLC |
| NPDES ID | TXR1537UG |
| 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 | April 11, 2025 |
| Expiration date | March 4, 2028 |
| Address | Mclendonchisholm, TX 75032 |
| Receiving water | LONG BRANCH |
| Subwatershed | Long Branch-Buffalo Creek (HUC 120301060502) |
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 TXR1537UG.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 11, 2025 | 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, TXR1537UG.
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 TXR1537UG there.
Nearby on the register
- Discharge permits in Mclendonchisholm
- Every permit record in Mclendonchisholm, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.