1. Get to Know Your Groundwater By Jenny Erickson Sauk County UW-Extension

3. The purpose of the program is to make it as convenient as possible to: Test your water Understand results Learn how to address issues (if any)

4. Why Continue to Test Your Drinking Water? Public wells are regulated, but private well owners are responsible for testing and treating their drinking water. Water can look, smell and taste fine, but it may still be contaminated.

5. Where can I get my water tested? The “homeowner package” drinking water testing bottles are always available at the Sauk County UW-Extension Office.

6. When Should I test Again??

7. Precipitation Infiltration Runoff River Well Runoff Evaporation Transpiration The Water Cycle Water Table Percolation Groundwater Unsaturated Zone

8. Groundwater Terms

9. How Much Groundwater Does Wisconsin have Anyway??

11. Sandstone = Sand and gravel Quartzite = Metamorphosed Sandstone

12. Aquifer – A water bearing geological formation. WI DNR

13. Defining Watershed Boundaries

14. Impermeable bedrock Groundwater Movement

15. Impermeable bedrock Groundwater flow

17. Questions?