The 2015 Secchi Dip-In report is ready. Click here to view the results.
Volunteers have been submitting information during the annual Dip-In snapshot since 1994. Please join them in this international effort to track changes in water quality!
|How To Participate
Click here for instructions to volunteers and program coordinators.
|View Dip-In Data
Enter as a Guest and see how lakes in your area compare. Register to add or edit data.