No. Parameter Parameter value classes Weight Rank
1 D – depth to groundwater >5 5 7
  [m] 3,1-5   8
    1,1-3   9
    <1   10
2 R – recharge 50-75 4 2
  [mm/year] 101-130   3
    151-180   4
    181-200   5
    >250   6
3 A – aquifer type hiatal sands, fine-grained sands with till and clay inlays 3 2
    hiatal sands, fine-grained sands with silt and clay   3
    hiatal sands with inlays of clay   4
    river and glacifluvial sands   6
    gravel and sands   8
4 S – soil type dusty soil, mineral-muck soil, alluvial soil 2 5
    brown soil, black soil   6
    podsolic soils, eolian-eroded, etc.   7
    silt-gley, alluvial-peat soils   8
    muck soils    
    ground-gley, gley-podsolic, podsolic soils   9
5 T – topography (slope) 2.9-3.9 1 7,5
  [%] 2.5-2.9   8
    2.0-2.5   8,5
    1.6-2.0   9
    1.0-1.6   9,5
    1.0-0.0   10
6 I – impact of the vadose varvic loams, clays 5 2
  zone, aggregate mud, alluvions,   3
    icedommed clays   4
    river and glacifluvial sands   6
    gravel, eolian sands   8
7 C – hydraulic conductivity <4 3 1
  [m/d] 4-12   2
    13-28   4
    29-40   6
    41-80   8
Table 1: Values of parameters of the DRASTIC method in KNP region.