Depth to groundwater (D)

weight: 5

Range (in meter)

Modified range (in meter)

Rate

0 - 1.5

0 - 15

10

1.5 - 4.7

15 - 47

9

4.7 - 9.1

47 - 91

7

9.1 - 15.2

91 - 152

5

15.2 - 22.8

152 - 228

3

22.8 - 30.4

228 - 304

2

> 30.4

> 304

1

Net recharge (R)

weight: 4

Recharge range

Rate

3 - 5

1

5 - 7

3

7 - 9

5

9 - 11

8

11 - 13

10

Aquifer media (A)

weight: 3

Aquifer type

Rate

Massive Shale

2

Metamorphic/Igneous

3

Weathered Metamorphic/Igneous

4

Glacial Till

5

Bedded Sandstone, Limestone and Shale Sequences

6

Massive Sandstone

6

Massive Limestone

6

Sand and Gravel

8

Basalt

9

Fissured or karstic Limestone

10

Soil media (S)

weight: 2

Soil media

Rate

Thin or Absent

10

Gravel

10

Sand

9

Peat

8

Shrinking and/or Aggregated Clay

7

Sandy Loam

6