VULNERABILITY ASSESSMENT

Subpart 1. Well vulnerability. A wellhead protection plan must describe the results of the well vulnerability assessment conducted according to part 4720.5550 . Subp. 2. Drinking water supply management area vulnerability. A wellhead protection plan must have an assessment of the drinking water supply management area vulnerability. Subp. 3. Documentation; drinking water supply management area vulnerability assessment. A wellhead protection plan must document the vulnerability assessment of the drinking water supply management area. The documentation must: A. identify the method used to assess vulnerability; B. describe the geologic conditions throughout the drinking water supply management area from the land surface to the aquifer used by the public water supply well; C. contain copies of the data elements used, including data sources; and D. contain maps, diagrams, reports, studies, and tables that were prepared to support the drinking water supply management area vulnerability assessment.