Scroll to the second table for ‘Most Recent Instantaneous Water Level’ The Conservation Pool Elevation is the Emergency Spillway Elevation Height above Conservation Pool is the depth of water running in the Emergency Spillway. There is a 8-12 hour time lag for water to get from the Medina Lake Dam to Castroville. Also, there is a 8-12 hour time lag for water from upper watershed drainage area near Vanderpool TX to Medina Lake Da.
We do have some information regarding FEMA and flooding under Public Notices page. Please visit FEMA.gov for more information.