How to Sample for Dissolved Oxygen

1000 563 Stroud Water Research Center

A great video from Georgia Adopt-a-Stream showing how volunteers can sample for dissolved oxygen in streams.

Give the Gift of Fresh Water

As you give thanks for the gifts in your life, we invite you to give the gift of water. Clean drinking water, good health, happy trout, productive soil, clean air, the simple joys of swimming, boating, fishing — our healthy freshwater ecosystems make these and so many other things possible.

Your donation today will help preserve and protect
the future of fresh water.