Clean Water Act discharge permit · NPDES TX0078824
HARRIS COUNTY MUD 86 WWTP, Houston, TX: NPDES TX0078824 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
HARRIS COUNTY MUD 86 WWTP, held by HARRIS COUNTY MUD 86, holds NPDES permit TX0078824, which discharges to Hcfcd Ditch P145-03-00, Hcfcd Ditch P145-00-00;Gre. EPA’s file records it issued December 20, 2017 and expiring December 1, 2022.
HARRIS COUNTY MUD 86 WWTP, Houston, Texas: Individual permit TX0078824, held by HARRIS COUNTY MUD 86; Publicly owned treatment works; Effective; issued December 20, 2017, term to December 1, 2022; discharges to HCFCD DITCH P145-03-00, HCFCD DITCH P145-00-00;GRE.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 10 violations of any kind, 7 effluent exceedances, latest November 30, 2008, largest 33% over the limit.
- E. coli: 2 limits, 13 violations of any kind, 3 effluent exceedances, latest October 31, 2025, largest 1,315% over the limit.
- Solids, total suspended: 3 limits, 5 violations of any kind, 2 effluent exceedances, latest April 30, 2009, largest 10% over the limit.
- pH: 3 limits, 5 violations of any kind, 1 effluent exceedance, latest February 28, 2011.
- Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 1 effluent exceedance, latest July 31, 2009, largest 50% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 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.
- Boundary areas: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- January 15, 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; 627 were issued before TX0078824.
Coverages issued nearest TX0078824
- December 13, 2017: HARRIS CO MUD NO 148 WWTP 2, Houston, TX0131482, held by HARRIS COUNTY MUD 148
- December 20, 2017: WILLOWOOD WWTP, Houston, TX0020788, held by HARRIS COUNTY WCID 133
- December 20, 2017: EL DORADO UTILITY DISTRICT WWTF, Houston, TX0025623, held by EL DORADO UTILITY DISTRICT
- December 20, 2017: CLINTON PARK WWTP, Houston, TX0035106, held by HOUSTON, CITY OF
- December 20, 2017: MILLS ROAD MUD WWTF, Houston, TX0075132, held by MILLS ROAD MUD
- December 20, 2017: SAN JACINTO ELEMENTARY WWTP, Conroe, TX0083208, held by CONROE ISD
- December 20, 2017: SOUTHWEST HARRIS CO MUD 1 WWTP, City Of Missouri City, TX0091979, held by SOUTHWEST HARRIS CO MUD 1
- December 20, 2017: CITY OF WILLOW PARK WWTP, Parker County, TX0099732, held by WILLOW PARK, CITY OF
- December 20, 2017: HARRIS COUNTY MUD 412 WWTP, Houston, TX0126756, held by HARRIS COUNTY MUD NO 412
- December 20, 2017: HARRIS COUNTY MUD 278 WWTP, Houston, TX0127124, held by HARRIS COUNTY MUD 278
HARRIS COUNTY MUD 86 WWTP among its neighbors
EPA’s permit file holds 100 discharge permits in the Headwaters Greens Bayou subwatershed (HUC 120401040601), TX0078824 among them. Its county holds 4,455, 195 of them major permits; TX0078824 is a minor permit.
Other permits in the Headwaters Greens Bayou subwatershed (HUC 120401040601)
- 11 BELOW BREWING CO, Houston: TXRNECD26, minor permit, permit term to August 13, 2026
- A-J AUTO PARTS, Houston: TXR05EW64, minor permit, permit term to August 13, 2026
- AIRTEX LAND, Houston: TXR1501WD, minor permit, discharging to GREENS BAYOU ABOVE TIDAL, permit term to March 4, 2028
- AKER SOLUTIONS, City Of Houston: TX0137529, minor permit, discharging to GREENS BAYOU ABOVE TIDAL, permit term to September 1, 2022
- AMAZONCOM SERVICES DHO8, Houston: TXR05EW63, minor permit, permit term to August 13, 2021
- ARISTOI CLASSICAL ACADEMY, Houston: TXR1568YC, minor permit, discharging to GREENS BAYOU ABOVE TIDAL, permit term to March 4, 2028
- AUTO-MOBILE PARTS MANUFACTURING PLANT, Houston: TXRNECN63, minor permit, permit term to August 13, 2026
- BAMMEL OAKS, Houston: TXR1514TR, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- CEMEX CUTTEN PLANT, Houston: TXG110921, minor permit, permit term to November 7, 2011
- CEMEX CUTTEN READY MIX PLANT, Houston: TXG111783, minor permit, discharging to GREENS BAYOU, permit term to November 7, 2021
Identity
| Facility as filed | HARRIS COUNTY MUD 86 WWTP |
|---|---|
| Permittee as filed | HARRIS COUNTY MUD 86 |
| NPDES ID | TX0078824 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 20, 2017 |
| Expiration date | December 1, 2022 |
| Address | Houston, TX 77090 |
| Receiving water | HCFCD DITCH P145-03-00, HCFCD DITCH P145-00-00;GRE |
| Subwatershed | Headwaters Greens Bayou (HUC 120401040601) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 8With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 3 | 10 | 7 | November 30, 2008 | 33% over the limit |
| E. coli | 2 | 13 | 3 | October 31, 2025 | 1,315% over the limit |
| Solids, total suspended | 3 | 5 | 2 | April 30, 2009 | 10% over the limit |
| pH | 3 | 5 | 1 | February 28, 2011 | |
| Oxygen, dissolved [DO] | 1 | 2 | 1 | July 31, 2009 | 50% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Chlorine, total residual | 2 | 2 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Level of pathogen requirements achieved | 2 | 0 | 0 | ||
| Description of pathogen option used | 2 | 0 | 0 | ||
| Vector attraction reduction alternative used | 2 | 0 | 0 | ||
| Fecal coliform | 1 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 0 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 0 | 0 | ||
| Boundary areas | 1 | 0 | 0 | ||
| Salmonella | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 15, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0078824.
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 TX0078824.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.