Clean Water Act discharge permit · NPDES TX0125164
HARRIS COUNTY MUD 287 WWTP, Houston, TX: NPDES TX0125164 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
HARRIS COUNTY MUD 287 WWTP, held by HARRIS COUNTY MUD 287, holds NPDES permit TX0125164, which discharges to Hcfcd (U101-08-001) So Mayde Ck;Buffalo Bayou. EPA’s file records it issued July 27, 2017 and expiring May 1, 2022.
HARRIS COUNTY MUD 287 WWTP, Houston, Texas: Individual permit TX0125164, held by HARRIS COUNTY MUD 287; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued July 27, 2017, term to May 1, 2022; discharges to HCFCD (U101-08-001) SO MAYDE CK;BUFFALO BAYOU.
- Solids, total suspended: 6 limits, 171 violations of any kind, 3 effluent exceedances, latest February 29, 2012, largest 384% over the limit.
- E. coli: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest June 30, 2025, largest 1,110% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 169 violations of any kind, 1 effluent exceedance, latest April 30, 2024, largest 4% over the limit.
- Chlorine, total residual: 4 limits, 113 violations of any kind, 1 effluent exceedance, latest May 31, 2010, largest 3% over the limit.
- Nitrogen, ammonia total [as N]: 6 limits, 168 violations of any kind, 0 effluent exceedances.
- pH: 5 limits, 113 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 4 limits, 112 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 56 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.
- Fecal coliform: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 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.
- 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.
- Compliance w/part 258 sludge requirement: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- June 27, 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; 533 were issued before TX0125164.
Coverages issued nearest TX0125164
- July 24, 2017: CORINTHIAN POINT MUD 2 WWTP, Willis, TX0027049, held by CORINTHIAN POINT MUD 2
- July 24, 2017: HARRIS COUNTY MUD 185 WWTP, Houston, TX0079707, held by HARRIS COUNTY MUD 185
- July 25, 2017: CITY OF NORMANGEE WWTF, Normangee, TX0027448, held by NORMANGEE, CITY OF
- July 25, 2017: TOWN OF VAN HORN SEWAGE TREATMENT PLANT, Van Horn, TX0107867, held by VAN HORN, TOWN OF
- July 27, 2017: NEW WAVERLY WWTP 1, New Waverly, TX0056685, held by CITY OF NEW WAVERLY
- July 27, 2017: WALLER COUNTY ROAD IMPROVEMENT DISTRICT 1 WWTF, Waller County, TX0127264, held by WALLER COUNTY RID NO. 1
- July 27, 2017: STEWART CREEK WWTP, Montgomery, TX0128031, held by MONTGOMERY, CITY OF
- August 2, 2017: HARRIS COUNTY MUD 70, Houston, TX0062031
- August 2, 2017: IOLA ISD WWTP, Iola, TX0092363, held by IOLA ISD
- August 2, 2017: GRAND LAKES REGIONAL WWTP, Fort Bend County, TX0099856, held by GRAND LAKES MUD 4
HARRIS COUNTY MUD 287 WWTP among its neighbors
EPA’s permit file holds 116 discharge permits in the South Mayde Creek subwatershed (HUC 120401040203), TX0125164 among them. Its county holds 4,455, 195 of them major permits; TX0125164 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
- ADDICKS UD WWTP, Houston: TX0112585, minor permit, discharging to HCFCDD U101-20-00, SOUTH MAYDE CREE, permit term to April 1, 2022
- 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
Identity
| Facility as filed | HARRIS COUNTY MUD 287 WWTP |
|---|---|
| Permittee as filed | HARRIS COUNTY MUD 287 |
| NPDES ID | TX0125164 |
| 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 | July 27, 2017 |
| Expiration date | May 1, 2022 |
| Address | Houston, TX 77449 |
| Receiving water | HCFCD (U101-08-001) SO MAYDE CK;BUFFALO BAYOU |
| Subwatershed | South Mayde Creek (HUC 120401040203) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 36With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 171 | 3 | February 29, 2012 | 384% over the limit |
| E. coli | 4 | 4 | 2 | June 30, 2025 | 1,110% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 169 | 1 | April 30, 2024 | 4% over the limit |
| Chlorine, total residual | 4 | 113 | 1 | May 31, 2010 | 3% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 168 | 0 | ||
| pH | 5 | 113 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 112 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 56 | 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 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 1 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 1 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 1 | 0 | ||
| Annual amt of sludge incinerated | 1 | 1 | 0 | ||
| Annual sludge production, total | 1 | 1 | 0 | ||
| Annual amount of sludge land applied | 1 | 1 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 1 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 1 | 0 | ||
| Annual amt sludge transported interstate | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 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 | ||
| Compliance w/part 258 sludge requirement | 1 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 27, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0125164.
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 TX0125164.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.