River Watch

Minnesota Pollution Control Agency U-Tube Videos

DNR/PCA Cooperative Stream Gaging Website: http://www.dnr.state.mn.us/waters/csg/index.html

Sampling with a rod:

Friends of the Minnesota Valley

Secchi tube video:

Sampling with the Van Dorn:

Repairing and Maintaining a Van Dorn sampler:

Sampling by wading:

Taking a tapedown:

Yes, I would like to support the Friends' mission!

​​​Friends of the Minnesota Valley

Post Office Box 20697 Bloomington, MN 55420