Public Comment on the Draft 2026 Texas Integrated Report of Surface Water Quality for Clean Water Act Sections 305(b) and 303(d)
The Draft 2026 Texas Integrated Report for Surface Water Quality is open for public comment.
TCEQ is soliciting public comment on the Draft 2026 Texas Integrated Report for Surface Water Quality for Clean Water Act Sections 305(b) and 303(d) beginning November 14, 2025.
Comments must be received no later than 5:00 pm on December 13, 2025. Public comment is particularly requested regarding the following:
Draft 2026 Texas Integrated Report
Lists of Impaired Waters
Assessment Summaries
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Draft 2026 Water Body Assessments by Basin
- 1—Canadian River Basin
- 2—Red River Basin
- 3—Sulphur River Basin
- 4—Cypress Creek Basin
- 5—Sabine River Basin
- 6—Neches River Basin
- 7—Neches-Trinity Coastal Basin
- 8—Trinity River Basin
- 9—Trinity–San Jacinto Coastal Basin
- 10—San Jacinto River Basin
- 11—San Jacinto–Brazos Coastal Basin
- 12—Brazos River Basin
- 13—Brazos-Colorado Coastal Basin
- 14—Colorado River Basin
- 15—Colorado-Lavaca Coastal Basin
- 16—Lavaca River Basin
- 17—Lavaca-Guadalupe Coastal Basin
- 18—Guadalupe River Basin
- 19—San Antonio River Basin
- 20—San Antonio–Nueces Coastal Basin
- 21—Nueces River Basin
- 22—Nueces–Rio Grande Coastal Basin
- 23—Rio Grande Basin
- 24—Bays and Estuaries
- 25—Gulf Waters
- Draft 2026 Water Bodies Evaluated
- Draft 2026 Texas Integrated Report - Supplemental Data for Reservoir Nutrient Assessment
- Draft 2026 Water Bodies with Concerns for Use Attainment and Screening Levels
- Draft 2026 Potential Sources of Pollution for Impairments and Concerns
- Draft 2026 New Listings
- Draft 2026 De-listings
Overview
- Draft 2026 Trophic Classification of Texas Reservoirs
- Draft 2026 Guidance for Assessing and Reporting Surface Water Quality in Texas
Requirements for Content of Comments
Comments on proposed listings and changes in use attainment must be based on an analysis performed consistent with TCEQ’s Draft 2026 Guidance for Assessing and Reporting Surface Water Quality in Texas, and must include summary information demonstrating that the current or proposed listing status is inaccurate; for example, whether the water body is now attaining or not attaining the designated use.
The Draft 2026 Texas Integrated Report evaluates data primarily from December 1, 2017 through November 30, 2024. Data supporting public comments must be submitted in summary format and collected under a TCEQ-approved quality assurance project plan or equivalent quality system to ensure the data are of known and appropriate quality for this use.
Comments should be limited to the Draft 2026 Texas Integrated Report and changes to the Draft 2026 Guidance for Assessing and Reporting Surface Water Quality in Texas. TCEQ is not seeking comment on past assessments or guidance issues.
Submit Comments, Data, and Information
All comments must be submitted in writing and received by 5:00 p.m. on December 13, 2025.
Submit electronic comments, date, and information via e-mail to:
303d@tceq.texas.gov
Or send written comments by postal service, fax, or special delivery to:
Andrew Sullivan
Water Quality Planning Division, MC 234
Texas Commission on Environmental Quality
P.O. Box 13087, Austin, TX 78711-3087
Fax: 512-239-4410
Response to Comments
TCEQ will make necessary changes to the draft report and bring the Draft 2026 Texas Integrated Report for Surface Water Quality before the Commissioners for approval to submit to EPA. A summary of the comments and responses will be posted on this Web site at a later date.
For More Information
Please send an e-mail to 303d@tceq.texas.gov.