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Guadalupe-Blanco River Authority
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Conditions
Basin Summary
Guadalupe Basin Precipitation and Flows Map
Operations
Water Treatment
Wastewater Treatment
Water Resource Management
Canyon Reservoir
Studies
Developer Resources
Environmental
Guadalupe River Habitat Conservation Plan
Environmental Laboratory Service
One Water New Braunfels
Water Quality
Recreation
Canyon Lake Gorge
Coleto Creek Park
Lake Wood Park
Nolte Island Recreation Area
River Heritage Tour
Hydrolakes
Education
Elementary Classroom Tools
Elementary School Trunks
Secondary Classroom Tools
Secondary School Trunks
Field Trips
5th Grade Gorge Outdoor Classroom
GBRA Scholarship Program
Interactive Learning
News & Resources
Drought/Conservation
Flood Resources
Hazard Mitigation
Publications
River Run
Basin Highlights Reports
Basin Summary Reports
Consumer Confidence Reports
Annual Financial Reports
About Us
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Management Team
Board Meetings
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Financial Transparency
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Consumer Confidence Reports
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Consumer Confidence Reports
2023
City of Lockhart
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City of Luling
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Cordillera Ranch
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Johnson Ranch
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Lomas Water - Comal Trace
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2022
City of Lockhart
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City of Luling
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Cordillera Ranch
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Johnson Ranch
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Lomas Water - Comal Trace
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2021
City of Luling
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City of Lockhart
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City of Port Lavaca
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GBRA Calhoun County Rural Water Supply System
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Port O'Connor Municipal Utility District
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Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
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La Salle WCID #1
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Johnson Ranch
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2020
City of Luling
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City of Lockhart
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City of Port Lavaca
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GBRA Calhoun County Rural Water Supply System
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Port O'Connor Municipal Utility District
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Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
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Johnson Ranch
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2019
City of Luling
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City of Lockhart
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City of Port Lavaca
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GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
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Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
Johnson Ranch
Download PDF
2018
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
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GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
Johnson Ranch
Download PDF
2017
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
Johnson Ranch
Download PDF
2016
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
Johnson Ranch
Download PDF
2015
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
Johnson Ranch
Download PDF
2014
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
Johnson Ranch
Download PDF
2013
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
2012
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
2011
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
2010
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
La Salle WCID #1
Download PDF
2009
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
2008
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
Glenwood Subdivision
Download PDF
2007
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
Glenwood Subdivision
Download PDF
2006
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
Lomas Water - Comal Trace
Download PDF
Glenwood Subdivision
Download PDF
2005
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
Cordillera Ranch
Download PDF
2004
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Cordillera Ranch
Download PDF
2003
City of Luling
Download PDF
City of Lockhart
Download PDF
City of Port Lavaca
Download PDF
GBRA Calhoun County Rural Water Supply System
Download PDF
Port O'Connor Municipal Utility District
Download PDF
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