Aquifer media

3

Massive Shale

2

6

Metamorphic/Igneous

3

9

Weathered Metamorphic/Igneous

4

12

Thin Bedded Sandstone, Limestone, Shale Sequences

6

18

Massive Sandstone

6

18

Massive Limestone

6

18

Sand and Gravel

8

24

Basalt

9

27

Karst Limestone

10

30

Soil media

2

Thin or Absent

10

20

Gravel

10

20

Sand

9

18

Peat

8

16

Shrinking and/or Aggregated Clay

7

14

Sandy Loam

6

12

Loam

5

10

Silty Loam

4

8

Clay Loam

3

6

Muck

2

4

Nonshrinking and Nonaggregated clay

1

2

Topography (Slope) as (%)

1

0 - 2

10

10

2 - 6

9

9

6 -12

5

5

12 - 18

3

3

>18

1

1

Impact of

Vadose Zone

5

Silt/Clay

1

5

Shale

3

15

Limestone

6

30

Sandstone

6

30

Bedded Sandstone, Limestone, Shale

6

30

Sand and Gravel with significant Silt and Clay

6

30

Metamorphic/Igneous

4

20

Sand and Gravel

8

40

Basalt

9

45

Karst Limestone

10

50

Hydraulic Conductivity (m/day)

3

0.0407 - 4.074

1

3

4.074 - 12.222

2

6

12.222 - 28.52

4

12

28.52 - 40.74

6

18

40.74 - 81.48

8

24

>81.48

10

30