Prior Appropriation
/ˈpraɪər ˌæprəˌpreɪˈʃən/
Definitions
- (n.) A water rights doctrine that allocates water use based on a first in time, first in right priority system.
Under the prior appropriation doctrine, the earliest user of the water source has superior rights to later users.
Forms
- prior appropriation
- prior appropriations
Related terms
See also
Commentary
Prior appropriation is primarily used in western U.S. water law and contrasts with riparian rights; drafting clarity on priority dates is essential to avoid disputes.
This glossary is for general informational and educational purposes only. Definitions are jurisdiction-agnostic but reflect terminology and concepts primarily drawn from English and American legal traditions. Nothing herein constitutes legal advice or creates a lawyer-client relationship. Users should consult qualified counsel for advice on specific matters or jurisdictions.