Metal

Group 1

Group 2

P. Adj

P. Adj. Signif

Ca

Channel

Well water

0.961

NS

Ca

Channel

Drilling

5.16E−14

****

Ca

Channel

Lake

0.282

NS

Ca

Well water

Drilling

1.86E−13

****

Ca

Well water

Lake

0.274

NS

Ca

Drilling water

Lake

3.98E−05

****

Mg

Channel

Well water

0.319

NS

Mg

Channel

Drilling

0.002

**

Mg

Channel

Lake

0.403

NS

Mg

Well water

Drilling

0.397

NS

Mg

Well water

Lake

0.442

NS

Mg

Drilling water

Lake

0.955

NS