Is Collecting Rainwater Legal in Missouri? (2026)
Yes — Collecting Rainwater is legal in Missouri as of 2026.
Quick Answer
Missouri permits rainwater harvesting without restrictions under state law. There are no statutes limiting collection or use of rainwater on private property, and it is promoted as a conservation practice.
What the Law Says
All Missouri landowners retain the right to have, use, and own systems for rainwater collection anytime and anywhere.
— Missouri Department of Natural Resources
| Category | Details |
|---|---|
| Collection Rules | No restrictions on possession or use of rainwater collection systems. |
| Volume Limits & Permits | No specific laws regulating sale or purchase of collected rainwater. |
| Violation Penalties | N/A |
| Pending Legislation | None known |
Enforcement Reality
Local Exceptions
None identified. State law applies uniformly across Missouri. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Collecting Rainwater is legal in Missouri. You can collecting rainwater without violating state law, though federal rules and local ordinances may still apply. Always verify current law before acting.
Missouri vs. the Rest of the US
Across the US, collecting rainwater is fully legal in 29 states, restricted in 21, and illegal in 0. Missouri falls in the LEGAL category.
View the full 50-state map →Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
Comprehensive Missouri Legal Guides
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