Is Rainwater Collection Legal in Maine? (2026)

Key facts

Status

Legal

Permit required

No

Jurisdiction

Maine

Last reviewed

2026-05-19

Rainwater Collection laws in Maine

Maine DEP’s Stormwater BMP Technical Design Manual, Volume III dated May 2016, describes residential rain barrels as a way to capture roof runoff for later lawn and garden watering. Chapter10 places this technique among low-impact development practices intended to reduce runoff and its impacts. This historical technical guidance does not establish current water-right or permit requirements, approve potable use or determine which rules apply to every installation.

Frequently asked questions

Is rainwater collection legal in Maine for travelers?

For travelers visiting Maine, rainwater collection is currently legal. Maine DEP’s Stormwater BMP Technical Design Manual, Volume III dated May 2016, describes residential rain barrels as a way to capture roof runoff for later lawn and garden watering. Chapter10 places this technique among low-impact development practices intended to reduce runoff and its impacts. This historical technical guidance does not establish current water-right or permit requirements, approve potable use or determine which rules apply to every installation.

Do I need a permit for rainwater collection in Maine?

Maine does not specifically require a permit for rainwater collection, though general regulations apply.

Can I transport rainwater collection through Maine?

Transport laws for rainwater collection in Maine depend on the specific item and your route. Generally, transport is allowed if you comply with state regulations. Always check states you pass through.

What are the penalties for rainwater collection violations in Maine?

Penalties for rainwater collection violations in Maine vary based on the specific offense. Always verify current laws before traveling.