surface water

What is Safe Drinking Water? (Elementary)

What is Safe Drinking Water? (Elementary)

Groundwater - found below the ground where it accumulated in between soil and rocks. The volume of water can range from small to very large similar to above ground creeks, rivers and lakes.

What is Safe Drinking Water? (High School)

What is Safe Drinking Water? (High School)

Groundwater - found below the ground where it accumulates in between soil and rocks. The volume of water can range from small to very large similar to above ground creeks, rivers and lakes, found in bodies of water that resemble underground lakes called aquifers.

Arsenic Analysis for High School Operation Water Drop

Arsenic Analysis for High School Operation Water Drop

Please Note: If high levels of hydrogen sulphide are present in the water sample (as is the case with some raw water samples) please expose the water sample to air for eight hours before doing the arsenic test in order to prevent an arsenic test "eruption" in your classroom!