Clean Water Act discharge permit · NPDES TX0112585
ADDICKS UD WWTP, Houston, TX: NPDES TX0112585 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
ADDICKS UD WWTP, held by ADDICKS UTILITY DISTRICT, holds NPDES permit TX0112585, which discharges to Hcfcdd U101-20-00, South Mayde Cree. EPA’s file records it issued April 11, 2017 and expiring April 1, 2022.
ADDICKS UD WWTP, Houston, Texas: Individual permit TX0112585, held by ADDICKS UTILITY DISTRICT; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued April 11, 2017, term to April 1, 2022; discharges to HCFCDD U101-20-00, SOUTH MAYDE CREE.
- Solids, total suspended: 3 limits, 97 violations of any kind, 13 effluent exceedances, latest May 31, 2026, largest 71% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 100 violations of any kind, 10 effluent exceedances, latest March 31, 2026, largest 159% over the limit.
- Chlorine, total residual: 2 limits, 69 violations of any kind, 7 effluent exceedances, latest August 31, 2017, largest 99,999% over the limit.
- E. coli: 2 limits, 5 violations of any kind, 4 effluent exceedances, latest November 30, 2025, largest 1,110% over the limit.
- pH: 3 limits, 63 violations of any kind, 2 effluent exceedances, latest September 30, 2010.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 91 violations of any kind, 1 effluent exceedance, latest September 30, 2008, largest 60% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 62 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 31 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- April 10, 2025: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 440 were issued before TX0112585.
Coverages issued nearest TX0112585
- March 30, 2017: BOYD PRISON UNIT WWTP, Fairfield, TX0110035, held by FAIRFIELD, CITY OF
- April 5, 2017: CITY OF STREETMAN WWTP, Streetman, TX0072338, held by STREETMAN, CITY OF
- April 6, 2017: TEN MILE CREEK WWTP, City Of Ferris, TX0022811, held by TRINITY RIVER AUTHORITY OF TEXAS
- April 6, 2017: ROLLING FORK PUD WWTP, Houston, TX0026697, held by ROLLING FORK PUBLIC UTILITY DISTRICT
- April 6, 2017: CITY OF DEVERS WWTP, Devers, TX0071510, held by CITY OF DEVERS
- April 19, 2017: SQUABBLE CREEK WWTP, Rockwall County, TX0022241, held by NORTH TEXAS MWD
- April 19, 2017: CITY OF PILOT POINT WWTP, Pilot Point, TX0022659, held by PILOT POINT, CITY OF
- April 19, 2017: EAST TEXAS MUD OF SMITH COUNTY WWTP, Tyler, TX0032484, held by EAST TEXAS MUD OF SMITH COUNTY
- April 21, 2017: RIVERBEND REGIONAL WATER RECLAMATION PLANT, Lewisville, TX0123781, held by UPPER TRINITY REGIONAL WATER DISTRICT
- April 27, 2017: SOUTH MESQUITE CREEK REGIONAL WWTP, Mesquite, TX0047431, held by NORTH TEXAS MWD
ADDICKS UD WWTP among its neighbors
EPA’s permit file holds 116 discharge permits in the South Mayde Creek subwatershed (HUC 120401040203), TX0112585 among them. Its county holds 4,455, 195 of them major permits; TX0112585 is a minor permit.
Other permits in the South Mayde Creek subwatershed (HUC 120401040203)
- ACCUMULATORS, Houston: TXRNEBZ28, minor permit, permit term to August 13, 2026
- ANNISTON, Katy: TXR1523SC, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON, Katy: TXR1530VA, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON, Katy: TXR1545WM, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON, Houston: TXR1556TK, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON, Houston: TXR1563PV, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON, Houston: TXR1564PV, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON, Houston: TXR1566SE, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON, Houston: TXR1582MB, minor permit, discharging to BEAR CREEK 1014A, permit term to March 4, 2028
- ANNISTON - HOME BUILDING, Katy: TXR1591QK, minor permit, discharging to SOUTH MAYDE CREEK 1014H, permit term to March 4, 2028
Identity
| Facility as filed | ADDICKS UD WWTP |
|---|---|
| Permittee as filed | ADDICKS UTILITY DISTRICT |
| NPDES ID | TX0112585 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 11, 2017 |
| Expiration date | April 1, 2022 |
| Address | Houston, TX 77084 |
| Receiving water | HCFCDD U101-20-00, SOUTH MAYDE CREE |
| Subwatershed | South Mayde Creek (HUC 120401040203) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 38Pollutants on file
- 38Under 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 97 | 13 | May 31, 2026 | 71% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 100 | 10 | March 31, 2026 | 159% over the limit |
| Chlorine, total residual | 2 | 69 | 7 | August 31, 2017 | 99,999% over the limit |
| E. coli | 2 | 5 | 4 | November 30, 2025 | 1,110% over the limit |
| pH | 3 | 63 | 2 | September 30, 2010 | |
| BOD, carbonaceous [5 day, 20 C] | 3 | 91 | 1 | September 30, 2008 | 60% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 62 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 31 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Level of pathogen requirements achieved | 2 | 2 | 0 | ||
| Description of pathogen option used | 2 | 2 | 0 | ||
| Vector attraction reduction alternative used | 2 | 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 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 1 | 0 | ||
| Boundary areas | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 0 | ||
| Pollutant table from 503.13 | 1 | 1 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 10, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0112585.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TX0112585.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.