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No. 20-7028October Term 2020Decided Jul 2, 2021Updated Jul 2, 2021

Docket 20-7028October Term 2020 (2020–2021)

Mast v. Fillmore County

This case involves Swartzentruber Amish families in Minnesota who say county land-use and septic-system requirements force them to use modern technology in ways that violate their religious beliefs.

Case status

Decided · July 2, 2021

Read the opinion (PDF)
Current stage
Decided
Latest event
Decision released Jul 2, 2021
Case Accepted
Arguments
Decision ReleasedJul 2, 2021
What it's about

This case involves Swartzentruber Amish families in Minnesota who say county land-use and septic-system requirements force them to use modern technology in ways that violate their religious beliefs. The dispute centers on how strictly courts must apply the Religious Land Use and Institutionalized Persons Act when a local government refuses a religious exemption.

Question presented

1. Does credible evidence regarding the Petitioners’ water use habits, topography and soil conditions surrounding plaintiffs’ residences, and the bacterial and viral composition of gray water, coupled with plaintiffs’ admission that the government has a compelling interest in protecting human health and the environment, satisfy RLUIPA’s requirement that the government demonstrate a compelling interest as applied to Petitioners? 2. Does a government satisfy RLUIPA’s “least restrictive means” test if it, in addition to providing scientific support for its own regulation, provides credible evidence demonstrating why a water-treatment system permitted in a minority of states is not suitable for use within its own state?

Case path

Court of Appeals of Minnesota / Decision released Jul 2, 2021

Area

Decided Supreme Court case

Timing

Decided July 2, 2021

The Court released its decision on July 2, 2021 without hearing oral argument.

Activity

Docket activity2
  • Opinion added: Opinion

    Jul 2, 2021 | Court records

  • Brief added: Petition

    Jan 20, 2021 | Court records

Grounding

Grounding
Primary-source trail available.
Note
Plain-English explainer. Official filings and opinions remain authoritative.
Checked
Jul 25, 2026
Primary materials5