shall be civilly liable to the owner or person in possession of the real property upon which the solid waste is disposed or discharged, for any property damage sustained, for costs incurred by the owner or person in possession for clean up and proper disposal of the solid waste, and for reasonable attorneys' fees. This cause of action is in addition to any other causes of action, rights and/or remedies the owner or person in possession may have.
7 Del. C. § 6025