You are here: Home Drinking Water Source Water Assessment and Protection Program Map Resources Map Resources http://www.tceq.texas.gov/drinkingwater/SWAP/map http://www.tceq.texas.gov/@@site-logo/tceqlogo-3colors.gif Map Resources Interpreting the Surface Water Capture Zone Colors Fixed Radius: The "Purple Circle" Explained Interpreting the Groundwater Capture Zone Colors
