Idaho Code § 42-3916
When the director of the department of water resources determines that any person is in substantial violation of any provision of this chapter or any rule, permit, certificate, condition of approval or order issued or promulgated pursuant to this chapter, the director may commence an administrative enforcement action by issuing a written notice of violation in accordance with the provisions of section 42-1701B, Idaho Code. The director shall have the further authority to seek a preliminary or permanent injunction, or both, or a temporary restraining order restraining any person from violating or attempting to violate the provisions of this chapter, of the rules adopted thereunder, or of the permits issued by the director and mandating any person to take action appropriate under the circumstances to correct any violation. In any such action the director need not show irreparable injury for the issuance of a preliminary or permanent injunction, or both, or a temporary restraining order.
Idaho Code § 42-3916