The commission shall have power to investigate and determine if the requirements of the compact or the orders of the commission are complied with and to bring action in its name to compel the enforcement of any and all provisions of the compact and the orders of the commission pursuant thereto or pursuant to law, by application to the Superior Court for a writ of mandamus or injunction. Such investigations, inquiries or hearings may be held by or before one or more of the commissioners or by or before any person or persons appointed as its representative and when ratified, approved or confirmed by the commission, his or their action shall be deemed to be the investigation, inquiry or hearing of the commission. All state and municipal departments, commissions, boards and bodies having to do with the waters of the state shall cooperate with the commission and shall furnish to the commission such information as the commission requests, touching the pollution, or the elimination thereof, of the waters of the district.