California Code, Water Code - WAT § 1611

If the board determines that the construction and condition of the works or the use of water therefrom are not in conformity with the law, the rules and regulations of the board, or the terms of the permit, it may revoke the permit in the manner provided in Article 5 (commencing with Section 1410) of Chapter 6 of this part. The board may in its discretion allow a reasonable time for the permittee to correct discrepancies in the works or use of water before taking action to revoke the permit.