Clean Water Act discharge permit · NPDES TX0078441
GALVESTON COUNTY WCID 12 WWTP, Kemah, TX: NPDES TX0078441 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 54Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
GALVESTON COUNTY WCID 12 WWTP, held by GALVESTON COUNTY WCID 12, holds NPDES permit TX0078441, which discharges to Upper Galveston Bay. EPA’s file records it issued May 22, 2018 and expiring May 22, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GALVESTON COUNTY WCID 12 WWTP |
|---|---|
| Permittee as filed | GALVESTON COUNTY WCID 12 |
| NPDES ID | TX0078441 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 22, 2018 |
| Expiration date | May 22, 2023 |
| Address | Kemah, TX 77565 |
| Receiving water | UPPER GALVESTON BAY |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 54Pollutants on file
- 54Under a numeric limit
- 21With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Enterococci | 4 | 15 | 8 | January 31, 2024 | 1,910% over the limit |
| Oxygen, dissolved [DO] | 1 | 5 | 2 | April 30, 2017 | 90% over the limit |
| Solids, total suspended | 6 | 13 | 1 | December 31, 2008 | 16% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 8 | 1 | July 31, 2007 | 3% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 12 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 6 | 12 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 8 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 8 | 0 | ||
| Chlorine, total residual | 2 | 7 | 0 | ||
| pH | 3 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 6 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 6 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 2 | 6 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 2 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 4 | 0 | ||
| Annual amt. sludge disposed surface unit | 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 | ||
| Whole effluent toxicity - retest #1 | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 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 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 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 3, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| January 26, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| April 27, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 September 15, 2026.