Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4720 - PUBLIC WATER SUPPLIES
CONTENT OF WELLHEAD PROTECTION PLAN
Part 4720.5270 - EVALUATION PROGRAM

Universal Citation: MN Rules 4720.5270

Current through Register Vol. 49, No. 13, September 23, 2024

Subpart 1. Program required.

A wellhead protection plan must identify a strategy for evaluating the progress of the plan of action and the impact of a contaminant release on the aquifer supplying the public water supply well.

Subp. 2. Strategy requirements.

The evaluation strategy must:

A. be conducted throughout the drinking water supply management area;

B. be based on the health risk the specific potential contaminant source presents to the public water supply well; and

C. specify the evaluation approach used for specific potential contaminant sources.

Subp. 3. Evaluation approaches.

Evaluation approaches are:

A. sampling the quality of the groundwater throughout the drinking water supply management area;

B. documenting inventory control of potential contaminants;

C. documenting the implementation of wellhead protection measures; and

D. using monitoring data already required by existing laws and rules in effect at the time of plan adoption.

Subp. 4. Evaluation frequency.

An evaluation must be conducted:

A. every 2.5 years or less; and

B. when a wellhead protection plan is amended as required in part 4720.5570, subpart 1.

Subp. 5. Evaluation submittal.

An evaluation conducted in accordance with subpart 4, item B, must be submitted to the department at the first scoping meeting held to amend an existing plan.

Statutory Authority: MS s 103I.101

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