26 Del. C. § 809: Injunction; mandamus.

Whenever it appears that any person has engaged in, is engaging in, or is about to engage in excavation or demolition in a manner contrary to safe practices, thereby posing a threat or potential threat, of injury or damage to life, limb, or property, not necessarily limited to facilities, or has otherwise violated, is about to violate, or is violating any provision of this chapter, the Attorney General or any facility owner or facility operator or owner of an affected facility may institute an action for the purpose of having such excavation or demolition stopped or prevented, either by mandatory or prohibitive injunction, mandamus, or for other relief including interim equitable relief and punitive damages, in a court of competent jurisdiction in the county in which the excavation or demolition has occurred, is occurring, or is about to occur, or in which the defendant’s or respondent’s principal place of business is located. The procedure for all such proceedings shall be as provided in the rules of procedure in the court where said action is commenced or as established by the usual practice and procedure in said court. The court may join as parties any and all persons necessary to make its judgment or processes effective.