Clean Water Act discharge permit · NPDES TX0062952
ROYALWOOD MUD WWTP, Houston, TX: NPDES TX0062952 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
ROYALWOOD MUD WWTP, held by ROYALWOOD MUNICIPAL UTILITY DISTRICT, holds NPDES permit TX0062952, which discharges to Hcfcd Ditch; Greens Bayou Portion Of Houston Ship. EPA’s file records it issued August 28, 2018 and expiring August 28, 2023. 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.
Identity
| Facility as filed | ROYALWOOD MUD WWTP |
|---|---|
| Permittee as filed | ROYALWOOD MUNICIPAL UTILITY DISTRICT |
| NPDES ID | TX0062952 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 28, 2018 |
| Expiration date | August 28, 2023 |
| Address | Houston, TX 77049 |
| Receiving water | HCFCD DITCH; GREENS BAYOU PORTION OF HOUSTON SHIP |
| Subwatershed | Lower Greens Bayou (HUC 120401040606) |
| 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
- 39Pollutants on file
- 38Under a numeric limit
- 38With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 14 | 6 | October 31, 2023 | 99,999% over the limit |
| Solids, total suspended | 3 | 11 | 2 | May 31, 2022 | 23% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 8 | 1 | June 30, 2006 | 362% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 30 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 15 | 0 | ||
| Arsenic, dry weight | 5 | 10 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 10 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 9 | 0 | ||
| pH | 3 | 8 | 0 | ||
| Selenium, dry weight | 3 | 6 | 0 | ||
| Copper, dry weight | 3 | 6 | 0 | ||
| Cadmium, dry weight | 3 | 6 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 6 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 6 | 0 | ||
| Chlorine, total residual | 2 | 6 | 0 | ||
| Nickel, total [as Ni] | 2 | 4 | 0 | ||
| Level of pathogen requirements achieved | 2 | 4 | 0 | ||
| Description of pathogen option used | 2 | 4 | 0 | ||
| Vector attraction reduction alternative used | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Fecal coliform | 1 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 2 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 2 | 0 | ||
| Annual amt of sludge incinerated | 1 | 2 | 0 | ||
| Annual sludge production, total | 1 | 2 | 0 | ||
| Annual amount of sludge land applied | 1 | 2 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 2 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 2 | 0 | ||
| Annual amt sludge transported interstate | 1 | 2 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 2 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 2 | 0 | ||
| Boundary areas | 1 | 2 | 0 | ||
| Salmonella | 1 | 2 | 0 | ||
| Pollutant table from 503.13 | 1 | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0062952.
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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.