Clean Water Act discharge permit · NPDES TX0023825
HARRIS COUNTY WCID 74 WWTP, Houston, TX: NPDES TX0023825 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
HARRIS COUNTY WCID 74 WWTP, held by HARRIS COUNTY WCID 74, holds NPDES permit TX0023825, which discharges to Hcfcdd P118-19-00, Halls Bayou, Greens Bayou. EPA’s file records it issued May 9, 2018 and expiring May 9, 2023. 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 | HARRIS COUNTY WCID 74 WWTP |
|---|---|
| Permittee as filed | HARRIS COUNTY WCID 74 |
| NPDES ID | TX0023825 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 9, 2018 |
| Expiration date | May 9, 2023 |
| Address | Houston, TX 77039 |
| Receiving water | HCFCDD P118-19-00, HALLS BAYOU, GREENS BAYOU |
| 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
- 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 35 | 1 | May 31, 2019 | 20% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 23 | 1 | August 31, 2017 | 13% over the limit |
| Chlorine, total residual | 2 | 21 | 1 | January 31, 2008 | 34% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 35 | 0 | ||
| Solids, total suspended | 3 | 34 | 0 | ||
| Arsenic, dry weight | 5 | 32 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 32 | 0 | ||
| pH | 3 | 29 | 0 | ||
| Selenium, dry weight | 3 | 18 | 0 | ||
| Copper, dry weight | 3 | 18 | 0 | ||
| Cadmium, dry weight | 3 | 18 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 18 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 18 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 18 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 18 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 18 | 0 | ||
| Nickel, total [as Ni] | 2 | 14 | 0 | ||
| Level of pathogen requirements achieved | 2 | 13 | 0 | ||
| Description of pathogen option used | 2 | 13 | 0 | ||
| Vector attraction reduction alternative used | 2 | 13 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 11 | 0 | ||
| E. coli | 2 | 10 | 0 | ||
| Fecal coliform | 1 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 7 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 7 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 7 | 0 | ||
| Annual amt of sludge incinerated | 1 | 7 | 0 | ||
| Annual amount of sludge land applied | 1 | 7 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 7 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 7 | 0 | ||
| Annual amt sludge transported interstate | 1 | 7 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 7 | 0 | ||
| Boundary areas | 1 | 7 | 0 | ||
| Salmonella | 1 | 7 | 0 | ||
| Annual sludge production, total | 1 | 6 | 0 | ||
| Pollutant table from 503.13 | 1 | 6 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 4 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 3, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| December 27, 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, TX0023825.
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 TX0023825 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 15, 2026.