California Code, Water Code - WAT § 12899.6

(a) Unless a person is otherwise authorized, by permit or agreement, to do so, it is unlawful for any person to do any of the following acts:

(b) When notice is given by the department, in the manner provided in Section 12899.5, to any person permitting a condition to exist, as described in subdivision (a), the person shall immediately cease and discontinue the diversion of waters or shall discontinue and prevent the drainage, seepage, or overflow and shall repair, or pay for the repair of, any damage to the State Water Resources Development System or the department's right-of-way.  The person to whom the notice is provided may challenge, administratively in accordance with regulations adopted pursuant to Section 12899.9, or in a court of competent jurisdiction, the propriety of the determination by the department.

(c) If any person is notified pursuant to subdivision (b) and fails, neglects, or refuses to cease and discontinue the diversion, drainage, seepage, or overflow of the waters or to make or pay for the repairs, the department may make repairs and perform work as it determines necessary to prevent the further drainage, diversion, overflow, or seepage of the waters.

(d) The department may recover in an action at law, in any court of competent jurisdiction, the amount expended for those repairs and work, and in addition, the sum of one thousand dollars ($1,000) for each day the drainage, diversion, overflow, or seepage of the waters is permitted to continue, after the service of the notice in the manner specified in this chapter, together with the costs and expenses, including attorney's fees, incurred in the action.