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Maine Statewide Rule

Maine Right to Farm Law Protects Agricultural Operations

Some RestrictionsApplies statewide across Maine (2026)

Key Facts

Framework
Maine Agriculture Protection Act, 7 MRS Ch. 6
Operation threshold
One-year operation threshold
Best management
Best management practices required
Preemption
Local nuisance bans preempted
Farm types
Crops, livestock, dairy, aquaculture, forestry
Last verified: September 5, 2026Source: Maine Legislature

Summary

Maine's Right to Farm framework in the Maine Agriculture Protection Act (7 MRS Chapter 6) shields established farm operations from nuisance suits and restrictive local ordinances when generally accepted practices are followed.

§153. Farm; farm operation or agricultural composting operation not a nuisance A farm, farm operation or agricultural composting operation may not be considered a public or private nuisance under Title 17, chapter 91 if the farm, farm operation or agricultural composting operation alleged to be a nuisance is in compliance with applicable state and federal laws, rules and regulations and: [PL 2007, c. 649, §3 (NEW).] 1. Farm; farm operation; agricultural composting operation. The farm, farm operation or agricultural composting operation conforms to best management practices, as determined by the commissioner in accordance with Title 5, chapter 375; [PL 2007, c. 649, §3 (NEW).] 2. Storage or use of farm nutrients; complaints.

Source: Maine LegislatureView official code

Full Breakdown

Title 7 MRS section 152 declares Maine's policy to conserve, protect, and encourage agricultural operations and prevent loss of farmland to nuisance lawsuits. A farm operation in existence for at least one year and using best management practices is presumed not a nuisance. Local ordinances cannot define operations that meet these standards as a nuisance. The law covers crop, livestock, dairy, aquaculture, and forestry activities. Affected operations may use the statute as an affirmative defense in nuisance actions.

Violations & Penalties

Nuisance suits against protected operations may be dismissed; courts may award attorney fees and costs to prevailing farms under 7 MRS section 153.

Frequently Asked Questions

What does Maine's Right to Farm law protect?
It protects qualifying farm operations from nuisance lawsuits and restrictive local ordinances when best management practices are followed.
Does the law cover aquaculture and forestry?
Yes. Title 7 MRS section 152 covers crop, livestock, dairy, aquaculture, and forestry operations meeting statutory criteria.

Sources

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