Clean Water Act discharge permit · NPDES TX0082317
WINCHESTER COUNTRY REGIONAL WWTP, Houston, TX: NPDES TX0082317 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 54Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
WINCHESTER COUNTRY REGIONAL WWTP, held by WEST HARRIS COUNTY MUD 10, holds NPDES permit TX0082317, which discharges to Hcfcdd E128-00-00, Whiteoak Bayou A. EPA’s file records it issued July 18, 2017 and expiring March 1, 2022.
WINCHESTER COUNTRY REGIONAL WWTP, Houston, Texas: Individual permit TX0082317, held by WEST HARRIS COUNTY MUD 10; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued July 18, 2017, term to March 1, 2022; discharges to HCFCDD E128-00-00, WHITEOAK BAYOU A.
- E. coli: 2 limits, 24 violations of any kind, 20 effluent exceedances, latest October 31, 2025, largest 99,999% over the limit.
- Nitrogen, ammonia total [as N]: 6 limits, 44 violations of any kind, 11 effluent exceedances, latest October 31, 2015, largest 158% over the limit.
- Solids, total suspended: 3 limits, 28 violations of any kind, 4 effluent exceedances, latest April 30, 2018, largest 60% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 35 violations of any kind, 3 effluent exceedances, latest July 31, 2018, largest 79% over the limit.
- Chlorine, total residual: 2 limits, 18 violations of any kind, 2 effluent exceedances, latest November 30, 2025, largest 10% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 9 violations of any kind, 1 effluent exceedance, latest June 30, 2020, largest 3% over the limit.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 26 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 26 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 26 violations of any kind, 0 effluent exceedances.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 24 violations of any kind, 0 effluent exceedances.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 24 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 24 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 24 violations of any kind, 0 effluent exceedances.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 22 violations of any kind, 0 effluent exceedances.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 22 violations of any kind, 0 effluent exceedances.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 2 limits, 20 violations of any kind, 0 effluent exceedances.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 20 violations of any kind, 0 effluent exceedances.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 20 violations of any kind, 0 effluent exceedances.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 18 violations of any kind, 0 effluent exceedances.
- pH: 3 limits, 17 violations of any kind, 0 effluent exceedances.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 12 violations of any kind, 0 effluent exceedances.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 11 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.
- Whole effluent toxicity - retest #1: 3 limits, 5 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #2: 3 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.
- Ann. amt sludge disposed by other method: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 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.
- Annual amt of sludge incinerated: 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.
- 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.
- May 3, 2023: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 521 were issued before TX0082317.
Coverages issued nearest TX0082317
- July 12, 2017: PARADISE ISD WWTP, Paradise, TX0103446, held by PARADISE ISD
- July 12, 2017: FT BEND COUNTY MUD 151 WWTP, Fort Bend County, TX0126764, held by FORT BEND COUNTY MUD 151
- July 12, 2017: HARRIS COUNTY MUD 165 WWTP, Houston, TX0127388, held by HARRIS COUNTY MUD 165
- July 18, 2017: HARRIS COUNTY FWSD 61 WWTP 1, Cypress, TX0022853, held by HARRIS COUNTY FWSD NO. 61
- July 18, 2017: HARRIS COUNTY MUD 102 WWTP, Houston, TX0052906, held by HARRIS COUNTY MUD 102
- July 18, 2017: HARRIS COUNTY MUD 284, Houston, TX0095702
- July 18, 2017: BERRY CREEK WWTP, Georgetown, TX0119172, held by GEORGETOWN, CITY OF
- July 18, 2017: HARRIS COUNTY MUD 432 WWTP, Katy, TX0127647, held by HARRIS COUNTY MUD 432
- July 21, 2017: CITY OF SAINT JO WWTP, Saint Jo, TX0024821, held by CITY OF SAINT JO
- July 21, 2017: HARRIS CO MUD 250 WWTP, Houston, TX0093581, held by HARRIS COUNTY MUD 250
WINCHESTER COUNTRY REGIONAL WWTP among its neighbors
EPA’s permit file holds 79 discharge permits in the Jersey Lake-Whiteoak Bayou subwatershed (HUC 120401040301), TX0082317 among them. Its county holds 4,455, 195 of them major permits; TX0082317 is a major permit.
Other permits in the Jersey Lake-Whiteoak Bayou subwatershed (HUC 120401040301)
- 1960 FLEX WAREHOUSE PHASE 1, Houston: TXR1522YA, minor permit, discharging to WHITE OAK BAYOU ABOVE TIDAL, permit term to March 4, 2028
- 31A WATER LINE FROM GESSNER ROAD TO BENDING BROOK LANE, Houston: TXR1586RP, minor permit, discharging to BRICKHOUSE GULLY/BAYOU, permit term to March 4, 2028
- 7738 WRIGHT ROAD, Houston: TXR1596PQ, minor permit, discharging to WHITE OAK BAYOU, permit term to March 4, 2028
- ABSOLUTE PRECISION MACHINE, Houston: TXRNECF60, minor permit, permit term to August 13, 2026
- ABSOLUTE PRECISION MACHINE, Houston: TXRNECR65, minor permit, permit term to August 13, 2026
- ALLORA FALLBROOK, Houston: TXR1575XB, minor permit, discharging to NA, permit term to March 4, 2028
- ALLOY & STAINLESS FASTENERS, Jersey Village: TXR05CJ51, minor permit, permit term to August 13, 2026
- AMERICAN CRUSHED CONCRETE CHARLES RD CONCRETE CRUSHING PLANT, Jersey Village: TXR05EQ23, minor permit, permit term to August 13, 2026
- ARSHAM METAL RECYCLING, Jersey Village: TXR05FB08, minor permit, permit term to August 13, 2026
- ASPHALT ROADWAY RECONSTRUCTION CYPRESS PLACE 2022, Cypress: TXR1521PC, minor permit, discharging to GREENS BAYOU, permit term to March 4, 2028
Identity
| Facility as filed | WINCHESTER COUNTRY REGIONAL WWTP |
|---|---|
| Permittee as filed | WEST HARRIS COUNTY MUD 10 |
| NPDES ID | TX0082317 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 18, 2017 |
| Expiration date | March 1, 2022 |
| Address | Houston, TX 77064 |
| Receiving water | HCFCDD E128-00-00, WHITEOAK BAYOU A |
| Subwatershed | Jersey Lake-Whiteoak Bayou (HUC 120401040301) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 54Pollutants on file
- 54Under a numeric limit
- 53With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 24 | 20 | October 31, 2025 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 44 | 11 | October 31, 2015 | 158% over the limit |
| Solids, total suspended | 3 | 28 | 4 | April 30, 2018 | 60% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 35 | 3 | July 31, 2018 | 79% over the limit |
| Chlorine, total residual | 2 | 18 | 2 | November 30, 2025 | 10% over the limit |
| Oxygen, dissolved [DO] | 1 | 9 | 1 | June 30, 2020 | 3% over the limit |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 26 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 26 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 26 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 24 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 24 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 24 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 24 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 2 | 22 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 2 | 22 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 2 | 20 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 20 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 20 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 18 | 0 | ||
| pH | 3 | 17 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 12 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 11 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 5 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 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 | ||
| Ann. amt sludge disposed by other method | 1 | 3 | 0 | ||
| Annual sludge production, total | 1 | 3 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 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 | ||
| Annual amt of sludge incinerated | 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 | ||
| 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 |
|---|---|---|
| May 3, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0082317.
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 TX0082317.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.