Is Collecting Rainwater Legal in Wyoming? (2026)
Partially — Collecting Rainwater is legal with restrictions in Wyoming as of 2026.
Quick Answer
Wyoming regulates rainwater collection under its prior appropriation water rights system. Personal rainwater collection is allowed if it does not infringe on existing water rights, but large-scale collection or sale requires water rights permits under Wyoming Statutes §41-3-901.
What the Law Says
Rainwater harvesting for non-potable, outdoor applications is legal to practice in the State of Wyoming.
— Wyoming Statutes Title 41 - Water
| Category | Details |
|---|---|
| Collection Rules | Allowed for personal use; large-scale collection requires water rights. |
| Volume Limits & Permits | Sale requires water rights permits. |
| Violation Penalties | Violations can result in fines and enforcement actions under water rights laws. |
| Pending Legislation | None known |
Enforcement Reality
Local Exceptions
None identified. State law applies uniformly across Wyoming. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Collecting Rainwater is legal with restrictions in Wyoming. This activity is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.
Wyoming vs. the Rest of the US
Across the US, collecting rainwater is fully legal in 29 states, restricted in 21, and illegal in 0. Wyoming falls in the RESTRICTED 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 Wyoming Legal Guides
Explore all related legal topics in Wyoming — statutes, penalties, and enforcement in one place.