Overview

A wellhead protection plan (WHPP) is one way to prevent pollution or contamination of public water-supply wells and source water. It helps keep drinking water clean and helps Chanhassen avoid costly treatment and cleanup of contaminated groundwater and the need to drill new water-supply wells.

To develop the WHPP, the city determined the parts of the aquifers from which public drinking water is drawn. The city and its engineers then defined drinking water supply management areas (DWSMAs) to be protected by the plan.

With this information, the group was able to:

• Identify potential sources of contamination that might affect the DWSMAs.
• Determine how to manage these potential contaminant sources.
• Develop an alternative water-supply contingency plan in case Chanhassen’s drinking water sources are ever contaminated.

Resources

• Executive Summary
• FAQ Brochure
• MN Department of Health Well Owner's Handbook

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