Guadalupe-Blanco River Authority
GBRA's Main Office located in Seguin, Texas
8 a.m. - 5 p.m. Monday through Friday
From IH-35 in New Braunfels, TX, take exit #189 and go east on Texas Highway 46E for 11.3 miles. Turn left onto U.S. 90 ALT E/W Court Street and go 2.1 miles. GBRA Main Office is on the right.
Established by the Texas Legislature in 1933, the Guadalupe-Blanco River Authority provides stewardship for the water resources in its ten-county statutory district, which begins near the headwaters of the Guadalupe and Blanco rivers, ends at San Antonio Bay, and includes Kendall, Comal, Hays, Caldwell, Guadalupe, Gonzales, DeWitt, Victoria, Calhoun and Refugio counties.