# Minnesota — Private well water testing at property sale: which states require it

For Minnesota, testing required at sale? is The state of Minnesota does not require testing private well water at the time of property transfer; authority is Minnesota Statutes, chapter 103I, verified against its source on 2026-08-19.

- **State:** Minnesota _(our reading, not quoted from the source)_
- **Testing required at sale?:** The state of Minnesota does not require testing private well water at the time of property transfer _(verified: appears in the quote below)_
- **Authority:** Minnesota Statutes, chapter 103I _(verified: appears in the quote below)_

## What the source says

> Is the water from the well required to be tested at the time of property transfer? The state of Minnesota does not require testing private well water at the time of property transfer. However, many lending institutions may require testing, typically for coliform bacteria and nitrate, as a condition for approving a loan for the purchase of the property. In Dakota County, however, a local ordinance requires wells to be tested at the time of property transfer.

## Source

- https://www.health.state.mn.us/communities/environment/water/wells/disclosures/wellsatpropertytransfer.html

Last verified: 2026-08-19. Review by: 2027-08-19.
Part of [Private well water testing at property sale: which states require it](https://referencesource.org/well-water-testing-at-property-transfer/).