Water Quality Survey

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Use a folding meter stick to measure turbidity	Take the water sample from your benchmark. Approach the sample site from downstream, so as not to capture disturbed water.
In this shot, the oxygen is bound.	Here, the oxygen is released. The vial on the right shows the sample amount.
By holding the sample against something white, you can easily tell if it is clear.

March 30, 2001
This page courtesy of The Pacific Streamkeepers Federation