U.S Code last checked for updates: Oct 20, 2021
§ 51.
Water users’ vested and accrued rights; enumeration of uses; protection of interest; rights-of-way for canals and ditches; liability for injury or damage to settlers’ possession

Whenever, by priority of possession, rights to the use of water for mining, agricultural, manufacturing, or other purposes have vested and accrued, and the same are recognized and acknowledged by the local customs, laws, and the decisions of courts, the possessors and owners of such vested rights shall be maintained and protect

(R.S. § 2339.)
cite as: 30 USC 51