Clean Water Act discharge permit · NPDES TX0035017
TURKEY CREEK WWTP, Houston, TX: NPDES TX0035017 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 20Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
TURKEY CREEK WWTP, held by HOUSTON, CITY OF, holds NPDES permit TX0035017, which discharges to Buffalo Bayou. EPA’s file records it issued December 29, 2020 and expiring December 29, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TURKEY CREEK WWTP |
|---|---|
| Permittee as filed | HOUSTON, CITY OF |
| NPDES ID | TX0035017 |
| 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 | December 29, 2020 |
| Expiration date | December 29, 2025 |
| Address | Houston, TX 77077 |
| Receiving water | BUFFALO BAYOU |
| Subwatershed | Spring Branch-Buffalo Bayou (HUC 120401040303) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 27Pollutants on file
- 20Under a numeric limit
- 27With 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] | 6 | 70 | 55 | March 31, 2022 | 700% over the limit |
| E. coli | 2 | 37 | 37 | December 31, 2025 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 24 | 8 | December 31, 2022 | 99,999% over the limit |
| Solids, total suspended | 3 | 23 | 8 | November 30, 2024 | 127% over the limit |
| Oxygen, dissolved [DO] | 1 | 7 | 3 | April 30, 2015 | 17% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 38 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Cadmium, total [as Cd] | 0 | 6 | 0 | ||
| IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 4 | 0 | ||
| IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 4 | 0 | ||
| IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| IC25 Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 4 | 0 | ||
| IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 4 | 0 | ||
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 4 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 4 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 3 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 3 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 0 | 2 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 20Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 17, 2024 | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| January 15, 2024 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| January 10, 2024 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| October 11, 2023 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | EP6 |
| November 19, 2022 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| October 20, 2022 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| September 13, 2022 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| September 2, 2022 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| July 25, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| January 13, 2022 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| January 9, 2022 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| October 28, 2021 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| May 4, 2021 | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| February 22, 2021 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | EP6 |
| September 11, 2020 | WW SSO - Discharge to Waters | EP6 |
| August 28, 2020 | WW SSO - Discharge to Waters | EP6 |
| October 1, 2019 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | EP6 |
| September 25, 2019 | WW SSO - Overflow to Dry Land or Building Backup | EP6 |
| June 27, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| June 6, 2018 | WW SSO - Discharge to Waters | EP6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.