Established by the Texas Legislature in 1933, Guadalupe-Blanco River Authority is a water conservation and reclamation provider. Based in Seguin, Texas, the company develops, conserves and protects the water resources of the Guadalupe River Basin. It provides stewardship for the water resources in its 10-county district. Guadalupe-Blanco River Authority operates a regional laboratory that performs physical, chemical and biological analyses of water from natural streams, water and wastewater treatment plants, groundwater wells and treatment residuals. The company administers a program to clean river and protect watershed.