California Civil Code Section 1420

CA Civ Code § 1420 (2017)  

Persons who have heretofore claimed the right to water, and who have not constructed works in which to divert it, and who have not diverted nor applied it to some useful purpose, must, after this Title takes effect, and within twenty days thereafter, proceed as in this Title provided, or their right ceases.

(Enacted 1872.)

Last modified: October 25, 2018