The Lower Guadalupe Watershed is located in central Texas and covers an area of approximately 1,825 square miles. It is characterized by a semi-arid climate with hot summers and mild winters. The hydrology of the watershed is dominated by the Guadalupe River, which flows through the region and provides a source of surface water for irrigation and drinking. The area experiences periodic droughts, which can impact the availability of water resources. Snowfall is rare in the region, and there is no significant snowpack to speak of. The watershed contains several reservoirs, including Canyon Lake, which is used for both recreation and water supply. Interesting climatic facts include the fact that the region is prone to flash flooding, particularly during heavy rainfall events. Trends in the region include increasing population growth and urbanization, which can have significant impacts on water resources and the environment.