Clean Water Act discharge permit · NPDES TX0046671
MEMORIAL HILLS UD WWTP, Houston, TX: NPDES TX0046671 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
MEMORIAL HILLS UD WWTP, held by MEMORIAL HILLS UD, holds NPDES permit TX0046671, which discharges to Hcfcd K-117-00-00/Cypress Creek. EPA’s file records it issued March 15, 2018 and expiring February 1, 2023.
MEMORIAL HILLS UD WWTP, Houston, Texas: Individual permit TX0046671, held by MEMORIAL HILLS UD; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued March 15, 2018, term to February 1, 2023; discharges to HCFCD K-117-00-00/CYPRESS CREEK.
- Solids, total suspended: 3 limits, 10 violations of any kind, 7 effluent exceedances, latest May 31, 2025, largest 97% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 6 violations of any kind, 3 effluent exceedances, latest May 31, 2005, largest 123% over the limit.
- Chlorine, total residual: 2 limits, 4 violations of any kind, 2 effluent exceedances, latest September 30, 2017, largest 100% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 4 violations of any kind, 1 effluent exceedance, latest September 30, 2008, largest 110% over the limit.
- E. coli: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2021, largest 1,110% over the limit.
- pH: 3 limits, 2 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 1 violation 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.
- September 27, 2024: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 708 were issued before TX0046671.
Coverages issued nearest TX0046671
- March 14, 2018: ALDINE ISD CHRISMAN RD WTP, Houston, TX0094188, held by ALDINE ISD
- March 14, 2018: HARRIS COUNTY MUD 401 WWTP, Houston, TX0125687, held by HARRIS COUNTY MUD 401
- March 14, 2018: PINE TRACE WWTP, Tomball, TX0127795, held by HARRIS COUNTY MUD 480
- March 15, 2018: WEST MEMORIAL MUD WWTP, Houston, TX0021512, held by WEST MEMORIAL MUD
- March 15, 2018: HARRIS COUNTY WCID 1 WWTP, Highlands, TX0023311, held by HARRIS COUNTY WCID 1
- March 15, 2018: BLAKETREE MUD 1 WWTP, Montgomery, TX0135658, held by BLUEJACK DEVELOPMENT CO LLC
- March 15, 2018: CITY OF SHEPHERD, Shepherd, TX0137596
- March 15, 2018: RIVER RANCH MUD 1 WWTP, Dayton, TX0137901, held by RIVER RANCH HOLDINGS LLC
- March 16, 2018: LYNN BAYOU WWTF, Port Lavaca, TX0047562, held by PORT LAVACA, CITY OF
- March 16, 2018: HARRIS COUNTY MUD 196 WWTP, Houston, TX0088838, held by HARRIS COUNTY MUD 196
MEMORIAL HILLS UD WWTP among its neighbors
EPA’s permit file holds 170 discharge permits in the Turkey Creek-Cypress Creek subwatershed (HUC 120401020107), TX0046671 among them. Its county holds 4,455, 195 of them major permits; TX0046671 is a minor permit.
Other permits in the Turkey Creek-Cypress Creek subwatershed (HUC 120401020107)
- AMAZONCOM SERVICES SAH1, Houston: TXR05GP18, minor permit, permit term to August 13, 2026
- AMC FACILITIES WWTF, Houston: TX0083836, minor permit, discharging to ONSITE POND;UNNAMED DITCH;HCFCD P140-04-03, permit term to December 1, 2022
- AMERICAN BUILDERS & CONTRACTORS SUPPLY, Houston: TXR05GD66, minor permit, permit term to August 13, 2026
- ARTHUR BAYER PARK WWTP, Houston: TX0096865, minor permit, discharging to LEMM GULLY; CYPRESS CREEK, permit term to February 1, 2018
- BASS PRO SHOPS OUTDOOR WORLD - SPRING, Spring: TXR1572PD, minor permit, discharging to WUNSCHE GULLY, permit term to March 4, 2028
- BAUER HOCKLEY MINI STORAGE, Hockley: TXR1540YX, minor permit, discharging to LAKE HOUSTON, permit term to March 4, 2028
- BRADBURY FOREST SECTION 11-14, Spring: TXR1511NG, minor permit, discharging to SPRING CREEK, permit term to March 4, 2028
- BRIDGESTONE MUD WWTP NO. 1, Houston: TX0072150, major permit, discharging to SEALS GULLY, CYPRESS CREEK, permit term to April 13, 2024
- BRIDGESTONE MUD WWTP NO. 2, Tomball: TX0140643, minor permit, discharging to SPRING CREEK, permit term to March 14, 2027
- BRIDGESTONE WWTP NO 1 IMPROVEMENTS, Spring: TXR1566XA, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
Identity
| Facility as filed | MEMORIAL HILLS UD WWTP |
|---|---|
| Permittee as filed | MEMORIAL HILLS UD |
| NPDES ID | TX0046671 |
| 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 | March 15, 2018 |
| Expiration date | February 1, 2023 |
| Address | Houston, TX 77073 |
| Receiving water | HCFCD K-117-00-00/CYPRESS CREEK |
| Subwatershed | Turkey Creek-Cypress Creek (HUC 120401020107) |
| 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 10 | 7 | May 31, 2025 | 97% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 6 | 3 | May 31, 2005 | 123% over the limit |
| Chlorine, total residual | 2 | 4 | 2 | September 30, 2017 | 100% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 4 | 1 | September 30, 2008 | 110% over the limit |
| E. coli | 2 | 1 | 1 | September 30, 2021 | 1,110% over the limit |
| pH | 3 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 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 |
|---|---|---|
| September 27, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0046671.
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 TX0046671.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.