Groundwater Vulnerability to Contamination
Using the DRASTIC Method
by Natural Resources District (NRD) - Historical Data

Tips to Download Data Coverage Drastic Methodology Notes Drastic Metadata Upper Big Blue NRD (Arc Export Format) Lower Big Blue NRD (Arc Export Format) Upper Elkhorn NRD (Arc Export Format) Lower Elkhorn NRD (Arc Export Format) Little Blue NRD (Arc Export Format) Upper Loup NRD (Arc Export Format) Lower Loup NRD (Arc Export Format) Lewis and Clark NRD (Arc Export Format) Papio-Missouri River NRD (Arc Export Format) Nemaha NRD (Arc Export Format) Upper Niobrara NRD (Arc Export Format) Middle Niobrara NRD (Arc Export Format) Lower Niobrara NRD (Arc Export Format) North Platte NRD (Arc Export Format) South Platte NRD (Arc Export Format) Twin Platte NRD (Arc Export Format) Central Platte NRD (Arc Export Format) Lower Platte North NRD (Arc Export Format) Lower Platte South NRD (Arc Export Format) Upper Republican NRD (Arc Export Format) Middle Republican (Arc Export Format) Lower Republican NRD (Arc Export Format) Tri-Basin NRD (Arc Export Format)