2026 Texas Integrated Report of Surface Water Quality for Clean Water Act Sections 305(b) and 303(d)
This report includes information about the quality of Texas' surface waters as reported in 2026.
The Texas Integrated Report describes and summarizes the status of the state’s surface waters, including concerns for public health, fitness for use by aquatic species and other wildlife, and specific pollutants and their possible sources. The report is required by Sections 305(b) and 303(d) of the federal Clean Water Act.
The TCEQ Commission adopted the 2026 Texas 303(d) List on April 1, 2026.
The EPA approved the 2026 Texas 303(d) List on August 5, 2026.
2026 Texas Integrated Report
Lists of Impaired Waters
Assessment Summaries
- 2026 Water Bodies Evaluated
- 2026 Water Body Assessments by Basin
- 2026 Texas Integrated Report - Supplemental Data for Reservoir Nutrient Assessment
- 2026 Water Bodies with Concerns for Use Attainment and Screening Levels
- 2026 Potential Sources of Pollution for Impairments and Concerns
- 2026 New Listings
- 2026 De-listings
Overview
- 2026 Executive Summary Table
- 2026 Trophic Classification of Texas Reservoirs
- 2026 Guidance for Assessing and Reporting Surface Water Quality in Texas
- 2026 Groundwater Assessment