Rulemaking for Bored Geothermal Heat Exchanger
Well Management Program
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In 2013, the Minnesota Legislature amended Minnesota Statutes, chapter 103I, to include regulating all bored geothermal heat exchangers, not just vertically bored geothermal exchangers. Minnesota Statutes, chapter 103I does not regulate geothermal systems installed by excavation or trenching.
The Minnesota Department of Health (MDH) revised Minnesota Rules, chapter 4725 (Wells and Borings) to reflect the 2013 statutory amendments and to accommodate varying BGHE installation methods. The proposed revisions were made available for comment in the Minnesota State Register on August 5, 2013, and again on July 24, 2017.
The Notice of Intent to Adopt was published in the Minnesota State Register on June 29, 2020. The deadline for submitting comments in support of or in opposition to the proposed rules, and requesting a hearing was 4:30 p.m on Friday, July 31, 2020.
How to Review Comments
Submitted comments can be reviewed via the Office of Administrative Hearings Rulemaking eComments website. Scroll down to 1 Responses.
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State Register
Minnesota State Register Volume 44, Number 53 (PDF)
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Proposed Rule Language
Proposed rules relating to the Bored Geothermal Heat Exchanger Rules (PDF)
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Dual Notice
Notice of Intent to Adopt the Bored Geothermal Heat Exchanger Rule (PDF)
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Statement of Need and Reasonableness (SONAR)
SONAR for the Bored Geothermal Heat Exchanger Rules (PDF)
Rulemaking Contacts
Questions may be directed in writing, by email, phone, or fax to:
Nancy La Plante, Rules Coordinator
Well Management Section
Minnesota Department of Health
P.O. Box 64975
St. Paul, Minnesota 55164-0975
nancyjo.laplante@state.mn.us
651-201-3651
Fax: 877-434-9853
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