Clean Water Act discharge permit · NPDES TX0072974
AJ BROWN PARKER CREEK WWTF, Huntsville, TX: NPDES TX0072974 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 21Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
AJ BROWN PARKER CREEK WWTF, held by HUNTSVILLE, CITY OF, holds NPDES permit TX0072974, which discharges to Lake Livingston. EPA’s file records it issued July 31, 2020 and expiring July 31, 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 | AJ BROWN PARKER CREEK WWTF |
|---|---|
| Permittee as filed | HUNTSVILLE, CITY OF |
| NPDES ID | TX0072974 |
| 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 31, 2020 |
| Expiration date | July 31, 2025 |
| Address | Huntsville, TX 77320 |
| Receiving water | Lake Livingston |
| Subwatershed | Harmon Creek (HUC 120302020805) |
| 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
- 33Pollutants on file
- 21Under a numeric limit
- 20With a violation of any kind
- 8With 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 | 6 | 87 | 84 | December 31, 2024 | 2,770% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 9 | 21 | 18 | March 31, 2018 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 5 | 18 | 14 | December 31, 2018 | 37% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 11 | 8 | January 31, 2018 | 36% over the limit |
| pH | 2 | 4 | 2 | April 30, 2024 | |
| Oxygen, dissolved [DO] | 3 | 3 | 2 | August 31, 2020 | 17% over the limit |
| Chlorine, total residual | 2 | 3 | 1 | October 31, 2006 | 314% over the limit |
| E. coli | 2 | 1 | 1 | November 30, 2022 | 72% over the limit |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 0 | 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 Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| IC25 Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 0 | 0 | ||
| IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 0 | 0 | ||
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 3 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 0 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 17, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| December 21, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| September 22, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| September 16, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| July 23, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0072974 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.