SPT borehole^*

Measured water table level (m)

Water table level interpolated (m)

Topo to raster

Kriging

Estimated

Error

Estimated

Error

17

2.9

−0.4

−3.3

−0.4

−3.3

83

2.8

2.5

−0.3

2.6

−0.2

84

2.0

1.8

−0.2

1.5

−0.5

410

0.5

1.6

1.1

1.6

1.1

431

1.0

2.9

1.9

2.9

1.9