Type of permeable material | How the aquifer works | Possible values of the radius of influence R |
Kárstico | Free | 700 m - 1000 m |
semi confined | 1000 m - 1500 m | |
Captive | 1500 m - 2000 m | |
Intergranular porous | Free | 400 m - 700 m |
semi confined | 700 m - 900 m | |
Captive | 900 m - 1200 m | |
Kárstico and porous | Free | 500 m - 1000 m |