Minnesota Well Index (MWI) Contacts

Technical Support

Email health.minnesotawellindex@state.mn.us for the following:

• MWI application is not working.
• How to use MWI or download data.
• To report an incorrect well location or address.

Well Record requests

Well Management Section
625 North Robert Street 
P.O. Box 64975
St. Paul, MN 55164-0975
651-201-4600 or 800-383-9808

Construction and Sealing Records

Email health.wells@state.mn.us for the following if you are not able to locate the well record in MWI:

• Well and Boring Construction Records
• Well and Boring Sealing Records

Note: The majority of well sealing records are not available in MWI. MDH began licensing well contractors and requiring submittal of well records in 1974. As a result, majority of wells constructed prior to 1974 will not be on file at MDH.

Well Disclosure Certificates

Email health.welldisclosures@state.mn.us for the following:

• Previously filed Well Disclosure Certificates.
• Clarification on well disclosure requirements at property transfer.

Note: The requirement to file a Well Disclosure Certificate began on 11/1/1990.

Data requests

Minnesota Geological Survey
2609 Territorial Road
St. Paul, Minnesota 55114
612-626-2969

• Minnesota Geological Survey: Water Well Database

Public Water Systems

Drinking Water Protection Program
625 North Robert Street 
P.O. Box 64975
St. Paul, MN 55164-0975

For information about wells supplying public water systems, contact:

• health.drinkingwater@state.mn.us or 651-201-4700