Is Rainwater Collection Legal in Oregon? (2026)
Yes. In Oregon, rainwater collection is legal. OSU Extension distinguishes impervious-surface collection into tanks from building and plumbing approvals.. A permit or license is required.
Key facts
- Status
- Legal
- Permit required
- Yes
- Jurisdiction
- Oregon
- Last reviewed
- 2026-05-19
Rainwater Collection laws in Oregon
Oregon State University Extension’s Oregon-regulations guide states that collecting precipitation from an artificial impervious surface into a tank or cistern does not require an Oregon Water Resources Department water right when the water does not contact soil between harvest and storage. It separately advises checking building and land-use requirements and states that potable systems and nonpotable systems connected to indoor plumbing require plumbing permits. These are attributed statements from public-university guidance, not a captured current statute or a permit determination for a specific site. Pond and reservoir storage are outside this guide’s stated scope.
Frequently asked questions
Is rainwater collection legal in Oregon for travelers?
For travelers visiting Oregon, rainwater collection is currently legal. Oregon State University Extension’s Oregon-regulations guide states that collecting precipitation from an artificial impervious surface into a tank or cistern does not require an Oregon Water Resources Department water right when the water does not contact soil between harvest and storage. It separately advises checking building and land-use requirements and states that potable systems and nonpotable systems connected to indoor plumbing require plumbing permits. These are attributed statements from public-university guidance, not a captured current statute or a permit determination for a specific site. Pond and reservoir storage are outside this guide’s stated scope.
Do I need a permit for rainwater collection in Oregon?
Yes, Oregon requires a permit or license for rainwater collection. Contact the relevant state agency for application details.
Can I transport rainwater collection through Oregon?
Transport laws for rainwater collection in Oregon 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 Oregon?
Penalties for rainwater collection violations in Oregon vary based on the specific offense. Always verify current laws before traveling.