What is required of the public water suppliers as the regulated group?
All public water suppliers are required to manage an inner-wellhead management zone, a 200-foot radius surrounding a public water supply, by: • Maintaining the isolation distances defined in the state Well Code (Minnesota Rules, Chapter 4725) for newly installed potential sources of contamination; • Monitoring existing potential sources of contamination that do not comply with the isolation distances defined in the state Well Code; and • Implementing wellhead protection measures for potential contaminant sources in the inner-wellhead management zone. In addition to the inner-wellhead management zone requirements, owners and operators of community and nontransient noncommunity wells must prepare a wellhead protection plan which includes: • A map showing the boundaries of the delineated wellhead protection area using the five criteria specified in the rule. • A vulnerability assessment of the well and the wellhead protection area. • An inventory of potential sources of contamination with
