A scenic shot of a New Hampshire lake


Hundreds of volunteers each year collect information and water samples from lakes and streams. Thanks to data generated by these efforts, scientists can detect changes in lake health and pinpoint sources of pollution. Two volunteer statewide lake monitoring programs are available. Find out if your favorite lake is monitored and how you can join or start a program—click on the links below.

NH Department of Environmental Services Volunteer Lake Assessment Program

UNH Lakes Lay Monitoring Program