Minn. R. agency 144, ch. 4720, GENERAL WELLHEAD PROTECTION REQUIREMENTS AND CRITERIA, pt. 4720.5500

Current through Register Vol. 49, No. 29, 2025

Part 4720.5500 - DATA REPORTING REQUIREMENTS

Subpart 1.Data requirements.

Data collected for a wellhead protection plan must:

A. have one geographic reference point for point information;

B. in the case of parcels, be identified with a parcel identification number assigned by the county auditor pursuant to Minnesota Statutes, section 272.193;

C. be identified with a state identifier, if available; and

D. be recorded and reported to the department on:

(1) forms and software provided by the department; or

(2) other software when a data dictionary and an electronic cross-reference table are provided by the public water supplier for translating the data into department data management format.

Subp. 2.Maps.

When information is presented in map form and the map is newly created for plan purposes, the map:

A. must be presented at a one to 24,000 scale or greater detail;

B. must be presented in an electronic format or on a stable base material;

C. must have four geographic reference points with x and y coordinates, located at the extremes of the map;

D. must be presented in a consistent map scale; and

E. may be combined on multiple maps or map overlays.

Subp. 3.Laboratory methods.

The laboratory methods used to analyze a well water sample must be at least as precise as those used by the department in part 4720.0350.

Subp. 4.Geographic reference point documentation.

The coordinate system used to define a geographic reference point must be documented, including a description of:

A. the units of measurement used;

B. the applicable zone;

C. the applicable reference datum; and

D. the map projection method used.

Minn. R. agency 144, ch. 4720, GENERAL WELLHEAD PROTECTION REQUIREMENTS AND CRITERIA, pt. 4720.5500

22 SR 668

Statutory Authority: MS s 103I.101