Clean Water Act discharge permit · NPDES TX0117161
STABLE GATE WWTP, Spring, TX: NPDES TX0117161 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
STABLE GATE WWTP, held by AQUA TEXAS, INC, holds NPDES permit TX0117161, which discharges to Unnamed Ditch;Little Cypress Ck. EPA’s file records it issued February 15, 2018 and expiring February 1, 2023.
STABLE GATE WWTP, Spring, Texas: Individual permit TX0117161, held by AQUA TEXAS, INC; Administratively continued (past its expiration date and still in force until reissued); issued February 15, 2018, term to February 1, 2023; discharges to UNNAMED DITCH;LITTLE CYPRESS CK.
- Nitrogen, ammonia total [as N]: 3 limits, 86 violations of any kind, 31 effluent exceedances, latest March 31, 2019, largest 247% over the limit.
- Solids, total suspended: 3 limits, 72 violations of any kind, 12 effluent exceedances, latest March 31, 2025, largest 97% over the limit.
- E. coli: 2 limits, 9 violations of any kind, 5 effluent exceedances, latest February 28, 2026, largest 99,999% over the limit.
- Chlorine, total residual: 2 limits, 37 violations of any kind, 3 effluent exceedances, latest March 31, 2021, largest 100% over the limit.
- pH: 3 limits, 40 violations of any kind, 2 effluent exceedances, latest August 31, 2025.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 55 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 38 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 19 violations 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.
- 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.
- 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.
- July 13, 2018: Permit Violations - Violation Specified in Comment (ST6).
Other permits held by AQUA TEXAS, INC
- BRENTWOOD MANOR WWTP, Victoria County: TX0024601, issued May 8, 2020
- BRITTMORE I & II WWTP, City Of Houston: TX0075434, issued January 15, 2021
- EAGLE CREEK RANCH WTP, Floresville: TX0128007, issued May 4, 2020
STABLE GATE WWTP among its neighbors
Its county holds 4,455, 195 of them major permits; TX0117161 is a minor permit.
Other permits in the county
- 019-HOU3-22 HOUSTON CONCRETE SILOS, Houston: TXR1594NZ, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2028
- 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
- 10 055SF SHELL, Katy: TXR1598RM, minor permit, discharging to SOUTH MAYDE CREEK, permit term to March 4, 2028
- 10.1 ACRES ATASCOCITA RD, Humble: TXR1501OH, minor permit, discharging to GARNERS BAYOU, permit term to March 4, 2028
- 105 FARISH CIRCLE, Houston: TXR1583PJ, minor permit, discharging to BUFFALO BAYOU TIDAL, permit term to March 4, 2028
- 10910 GLEN HOLLOW, Houston: TXR1588SI, minor permit, discharging to SIMS BAYOU ABOVE TIDAL, permit term to March 4, 2028
- 1105 DEMOLITION, Houston: TXR1588SX, minor permit, discharging to RUMMEL CREEK, permit term to March 4, 2028
- 1111 FANNIN, Houston: TXR1556LZ, minor permit, permit term to March 4, 2028
- 11116 BELLAIRE BLVD, Houston: TXR1516PK, minor permit, discharging to BRAYS BAYOU ABOVE TIDAL, permit term to March 4, 2028
Identity
| Facility as filed | STABLE GATE WWTP |
|---|---|
| Permittee as filed | AQUA TEXAS, INC |
| NPDES ID | TX0117161 |
| 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 |
| Issued | February 15, 2018 |
| Expiration date | February 1, 2023 |
| Address | Spring, TX 77429 |
| Receiving water | UNNAMED DITCH;LITTLE CYPRESS CK |
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 86 | 31 | March 31, 2019 | 247% over the limit |
| Solids, total suspended | 3 | 72 | 12 | March 31, 2025 | 97% over the limit |
| E. coli | 2 | 9 | 5 | February 28, 2026 | 99,999% over the limit |
| Chlorine, total residual | 2 | 37 | 3 | March 31, 2021 | 100% over the limit |
| pH | 3 | 40 | 2 | August 31, 2025 | |
| BOD, carbonaceous [5 day, 20 C] | 3 | 55 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 38 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 19 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 1 | 0 | ||
| Toxicity characteristic leaching procedure | 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 | ||
| 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 |
|---|---|---|
| July 13, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0117161.
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 TX0117161.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.