Clean Water Act discharge permit · NPDES TX0088650
ROYAL COACH TRAILS MHP WWTP, Houston, TX: NPDES TX0088650 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
ROYAL COACH TRAILS MHP WWTP, held by TRINITY RCT GROUP, LLC, holds NPDES permit TX0088650, which discharges to Hcfcd Ditches,Greens Bayou;San Jacinto River Basin. EPA’s file records it issued September 13, 2017 and expiring December 1, 2021. 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 | ROYAL COACH TRAILS MHP WWTP |
|---|---|
| Permittee as filed | TRINITY RCT GROUP, LLC |
| NPDES ID | TX0088650 |
| 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 | September 13, 2017 |
| Expiration date | December 1, 2021 |
| Address | Houston, TX 77060 |
| Receiving water | HCFCD DITCHES,GREENS BAYOU;SAN JACINTO RIVER BASIN |
| Subwatershed | Halls Bayou (HUC 120401040604) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 37With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 321 | 8 | October 31, 2019 | 154% over the limit |
| Solids, total suspended | 3 | 375 | 3 | January 31, 2013 | 167% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 379 | 1 | December 31, 2009 | 2% over the limit |
| Chlorine, total residual | 2 | 255 | 1 | May 31, 2012 | 100% over the limit |
| pH | 3 | 263 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 253 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 126 | 0 | ||
| Arsenic, dry weight | 5 | 35 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 35 | 0 | ||
| Selenium, dry weight | 3 | 21 | 0 | ||
| Copper, dry weight | 3 | 21 | 0 | ||
| Cadmium, dry weight | 3 | 21 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 21 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 21 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 21 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 21 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 21 | 0 | ||
| E. coli | 2 | 16 | 0 | ||
| Nickel, total [as Ni] | 2 | 14 | 0 | ||
| Level of pathogen requirements achieved | 2 | 14 | 0 | ||
| Description of pathogen option used | 2 | 14 | 0 | ||
| Vector attraction reduction alternative used | 2 | 14 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 8 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 8 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 8 | 0 | ||
| Annual amt of sludge incinerated | 1 | 8 | 0 | ||
| Annual sludge production, total | 1 | 8 | 0 | ||
| Annual amount of sludge land applied | 1 | 8 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 8 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 8 | 0 | ||
| Annual amt sludge transported interstate | 1 | 8 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 8 | 0 | ||
| Fecal coliform | 1 | 7 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 7 | 0 | ||
| Boundary areas | 1 | 7 | 0 | ||
| Salmonella | 1 | 7 | 0 | ||
| Pollutant table from 503.13 | 1 | 7 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 7, 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, TX0088650.
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 TX0088650 there.
Nearby on the register
- Discharge permits in Houston
- Every permit record in Houston, 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.