This report is generated every five years in place of the Basin Highlights Report and is a comprehensive analysis of water quality data for the basin.
Previous Reports
2023 Clean Rivers Program Basin Summary Report
Download the Full Report, or individual sections below:
Executive Summary
Download PDFWater Quality Review
Download PDFCanyon Lake
Download PDFGuadalupe River Below Comal River
Download PDFSan Marcos River
Download PDFSandies Creek
Download PDFLavaca-Guadalupe Coastal Basin
Download PDFIntroduction
Download PDFGuadalupe River Above Flat Rock Dam
Download PDFGuadalupe River Below Canyon Dam
Download PDFGeronimo Creek
Download PDFPlum Creek
Download PDFPeach Creek
Download PDFConclusion and Recommendations
Download PDFPublic Involvement
Download PDFGuadalupe River Below Flat Rock Dam
Download PDFComal River
Download PDFBlanco River
Download PDFLower Guadalupe River
Download PDFColeto Creek
Download PDF
2018 Clean Rivers Program Basin Summary Report
Download the Full Report, or individual sections below:
Guadalupe River Above Flat Rock Dam
Download PDFGuadalupe River Below Canyon Dam
Download PDFGeronimo Creek
Download PDFPlum Creek
Download PDFPeach Creek
Download PDFGuadalupe River Below Flat Rock Dam
Download PDFComal River
Download PDFBlanco River
Download PDFLower Guadalupe River
Download PDFColeto Creek
Download PDFCanyon Lake
Download PDFGuadalupe River Below Comal River
Download PDFSan Marcos River
Download PDFSandies Creek
Download PDFLavaca-Guadalupe Coastal Basin
Download PDF
2013 Clean Rivers Program Basin Summary Report
Download the Full Report, or individual sections below:
Annual Highlights
Download PDFMiddle Guadalupe River (Parts A and B)
Download PDFPlum Creek
Download PDFColeto Creek and Reservoir
Download PDFUpper Guadalupe River above Comfort
Download PDFBlanco River (including Cypress Creek)
Download PDFPeach Creek
Download PDFLower Guadalupe River Watershed (including Victoria Barge Canal)
Download PDFGuadalupe River above Canyon Lake (below Comfort)
Download PDFSan Marcos River
Download PDFSandies Creek (including Elm Creek)
Download PDFGuadalupe-Lavaca Coastal Basin
Download PDF
2008 Basin Summary Report
Download the Full Report, or individual sections below:
Annual Highlights
Download PDFGuadalupe River above Canyon Lake (below Comfort)
Download PDFBlanco River (including Cypress Creek)
Download PDFPeach Creek
Download PDFLower Guadalupe River Watershed (including Victoria Barge Canal)
Download PDFWatershed Summaries (all Watersheds)
Download PDFCanyon Reservoir
Download PDFSan Marcos River
Download PDFSandies Creek (including Elm Creek)
Download PDFGuadalupe-Lavaca Coastal Basin
Download PDFUpper Guadalupe River above Comfort
Download PDFMiddle Guadalupe River (Parts A and B)
Download PDFPlum Creek
Download PDFColeto Creek and Reservoir
Download PDF