center local information & faq clean rivers program volunteer summer study investigations stream flow data swimability study general information lab hours and turnaround time sample containers and kits popular test prices sample acceptance policy kerr county parameters annual river clean up projects guadalupe blanco river trust restoration and preservation water development outreach and education surface water temperature upper guadalupe river authority the guadalupe river originates in western kerr county deep in the texas hill country . this beautiful spring fed river is one of the highest rated recreational and scenic rivers in texas and is kerr county s central asset . the upper guadalupe river authority was created as a conservation and reclamation district by the texas legislatures in 1939 . the mission of the upper guadalupe river authority is to conserve and reclaim surface water through the preservation and distribution of the water resources for future growth in order to maintain and enhance the quality of life for all kerr county citizens . regular board meeting agenda september 20 2016 upcoming board meeting dates aerial videos of the guadalupe river corridor in kerr county 2016 and prior years comparison view local stream flow and rainfall data ugra 125 lehmann dr. suite 100 kerrville tx 78028 830 896 5445