Groundwater Vulnerability to Pollution C index map (Hydraulic Conductivity) in Catalonia according to DRASTIC

Hydraulic conductivity map expressed as an index value, according to DRASTIC ranges from 1 to 10, being 10 the high permeability aquifers (> 1.010-2 m/s) and 1 the low permeability aquifers (< 5.010-7 m/s).