Clean Water Act discharge permit · NPDES TX0135925
ROSEHILL RESERVE-HARRIS COUNTY MUD 542 WWTP 1, Tomball, TX: NPDES TX0135925 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
ROSEHILL RESERVE-HARRIS COUNTY MUD 542 WWTP 1, held by HARRIS COUNTY MUD 542, holds NPDES permit TX0135925, which discharges to Harris Co Mud Drainage Channel;Willow Ck. EPA’s file records it issued March 8, 2018 and expiring March 1, 2023.
ROSEHILL RESERVE-HARRIS COUNTY MUD 542 WWTP 1, Tomball, Texas: Individual permit TX0135925, held by HARRIS COUNTY MUD 542; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued March 8, 2018, term to March 1, 2023; discharges to HARRIS CO MUD DRAINAGE CHANNEL;WILLOW CK.
- Nitrogen, ammonia total [as N]: 6 limits, 13 violations of any kind, 12 effluent exceedances, latest May 31, 2025, largest 161% over the limit.
- E. coli: 2 limits, 8 violations of any kind, 8 effluent exceedances, latest April 30, 2026, largest 121% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 7 violations of any kind, 5 effluent exceedances, latest January 31, 2024, largest 12% over the limit.
- Solids, total suspended: 6 limits, 4 violations of any kind, 3 effluent exceedances, latest November 30, 2021, largest 99% over the limit.
- Chlorine, total residual: 2 limits, 2 violations of any kind, 1 effluent exceedance, latest July 31, 2021, largest 3% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2025, largest 15% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 0 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.
- pH: 3 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.
- October 26, 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; 697 were issued before TX0135925.
Coverages issued nearest TX0135925
- February 15, 2018: CYPRESS CREEK WWTP, Cypress, TX0117854, held by HARRIS COUNTY MUD 500
- February 15, 2018: FORT BEND COUNTY MUD 122 WWTP, Fort Bend County, TX0122556, held by FORT BEND COUNTY MUD 122
- February 21, 2018: NORTHSIDE WWTP, Houston County, TX0070831, held by CROCKETT, CITY OF
- February 21, 2018: BUFFALO CREEK WWTP, Rockwall, TX0078565, held by NORTH TEXAS MWD
- February 21, 2018: HARRIS COUNTY MUD 531 WWTP, Cypress, TX0135119, held by HARRIS COUNTY MUD 531
- March 9, 2018: WOODFOREST INTERIM 1 WWTP, Conroe, TX0129674, held by MONTGOMERY COUNTY MUD 113
- March 12, 2018: TIMBERLAKE WWTP, Houston, TX0046868, held by TIMBERLAKE IMPROVEMENT DISTRICT
- March 12, 2018: ATASCOCITA REGIONAL WWTP, Houston, TX0058963, held by HARRIS COUNTY MUD 109
- March 12, 2018: HARRIS COUNTY MUD 36 WWTP, Houston, TX0084085, held by HARRIS COUNTY MUD 36
- March 13, 2018: RONALD R COLLINS WATER RECLAMATION FACILITY, New Boston, TX0126098, held by RIVERBEND WATER RESOURCES DISTRICT
ROSEHILL RESERVE-HARRIS COUNTY MUD 542 WWTP 1 among its neighbors
EPA’s permit file holds 137 discharge permits in the Willow Creek subwatershed (HUC 120401020210), TX0135925 among them. Its county holds 4,455, 195 of them major permits; TX0135925 is a minor permit.
Other permits in the Willow Creek subwatershed (HUC 120401020210)
- 04868-1000 TOMBALL SAMS CLUB, Tomball: TXR1507VM, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- 04868-1000 TOMBALL SAMS CLUB, Tomball: TXR1563VQ, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- 501 MAPLE RIDGE WWTP, Houston: TX0127850, minor permit, discharging to DETENTION POND, WILLOW CREEK, SPRIN, permit term to March 1, 2010
- A-K 133 HWY 249-GRAND PKWY, Tomball: TXR1526RN, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- AMAZONCOM SERVICES DHX4, Spring: TXR05EZ42, minor permit, permit term to August 13, 2026
- AME TELGE BUSINESS PARK, Tomball: TXR1568PM, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- AME TELGE BUSINESS PARK PHASE II, Tomball: TXR1515WZ, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- AMIRA SEC 23, Tomball: TXR1503OP, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- AMIRA SECTION 22, Tomball: TXR1595OI, minor permit, discharging to TRIBUTARY OF LITTLE CYPRESS CREEK, permit term to March 4, 2028
- ASM - TOMBALL, Tomball: TXR1554XZ, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
Identity
| Facility as filed | ROSEHILL RESERVE-HARRIS COUNTY MUD 542 WWTP 1 |
|---|---|
| Permittee as filed | HARRIS COUNTY MUD 542 |
| NPDES ID | TX0135925 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 8, 2018 |
| Expiration date | March 1, 2023 |
| Address | Tomball, TX 77377 |
| Receiving water | HARRIS CO MUD DRAINAGE CHANNEL;WILLOW CK |
| Subwatershed | Willow Creek (HUC 120401020210) |
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 13 | 12 | May 31, 2025 | 161% over the limit |
| E. coli | 2 | 8 | 8 | April 30, 2026 | 121% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 7 | 5 | January 31, 2024 | 12% over the limit |
| Solids, total suspended | 6 | 4 | 3 | November 30, 2021 | 99% over the limit |
| Chlorine, total residual | 2 | 2 | 1 | July 31, 2021 | 3% over the limit |
| Oxygen, dissolved [DO] | 1 | 1 | 1 | December 31, 2025 | 15% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 0 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 0 | 0 | ||
| pH | 3 | 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 |
|---|---|---|
| October 26, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0135925.
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 TX0135925.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.