Clean Water Act discharge permit · NPDES TX0024686
CITY OF GARLAND ROWLETT CREEK, Garland, TX: NPDES TX0024686 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 51Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
CITY OF GARLAND ROWLETT CREEK, held by GARLAND, CITY OF, holds NPDES permit TX0024686, which discharges to East Fork Trinity River. EPA’s file records it issued June 1, 2020 and expiring May 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 | CITY OF GARLAND ROWLETT CREEK |
|---|---|
| Permittee as filed | GARLAND, CITY OF |
| NPDES ID | TX0024686 |
| 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 | June 1, 2020 |
| Expiration date | May 31, 2025 |
| Address | Garland, TX 75040 |
| Receiving water | East Fork Trinity River |
| Subwatershed | Duck Creek (HUC 120301060501) |
| 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
- 65Pollutants on file
- 51Under a numeric limit
- 53With a violation of any kind
- 9With 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; the 60 with the most exceedances of 65 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 126 | 108 | October 31, 2023 | 400% over the limit |
| Solids, total suspended | 3 | 52 | 34 | October 31, 2023 | 650% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 51 | 23 | May 31, 2024 | 56,079% over the limit |
| Whole effluent toxicity | 0 | 28 | 16 | December 31, 2012 | 100% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 32 | 11 | August 31, 2021 | 84% over the limit |
| E. coli | 2 | 7 | 7 | January 31, 2025 | 72% over the limit |
| Copper, total [as Cu] | 3 | 9 | 3 | June 30, 2005 | 40,259% over the limit |
| Oxygen, dissolved [DO] | 2 | 9 | 2 | June 30, 2007 | 33% over the limit |
| pH | 3 | 17 | 1 | June 30, 2003 | |
| Chlorine, total residual | 2 | 14 | 0 | ||
| Solids, total dissolved | 0 | 12 | 0 | ||
| Arsenic, dry weight | 5 | 7 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 7 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 6 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 6 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 6 | 0 | ||
| Nickel, total [as Ni] | 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 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 0 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 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 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Level of pathogen requirements achieved | 2 | 3 | 0 | ||
| Description of pathogen option used | 2 | 3 | 0 | ||
| Vector attraction reduction alternative used | 2 | 3 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 2 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 2 | 0 | ||
| Annual amt of sludge incinerated | 1 | 2 | 0 | ||
| Annual sludge production, total | 1 | 2 | 0 | ||
| Annual amount of sludge land applied | 1 | 2 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 2 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 2 | 0 | ||
| Annual amt sludge transported interstate | 1 | 2 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 2 | 0 | ||
| Boundary areas | 1 | 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 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 0 | ||
| Pollutant table from 503.13 | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 0 | 0 | ||
| IC25 Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 9, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| March 21, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| July 27, 2017 | 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.