Delaware Code Title 7. Conservation § 7914. Duration

(a) An environmental covenant is perpetual unless:

(b) A judicial decree terminating an environmental covenant or reducing its burden on the real property subject to the covenant under the doctrine of changed circumstances may be rendered only after:

(c) Notwithstanding anything to the contrary contained in this subchapter, an environmental covenant may be amended or terminated if the environmental covenant:

Any person having an interest in real property subjected to an environmental covenant shall be entitled to apply to the Department for amendment or termination of the environmental covenant in accordance with the procedures set forth in § 6004 of this title.  Any decision of the Secretary regarding an amendment or termination of an environmental covenant shall be subject to appeal in accordance with the procedures provided for appeals under subchapter II of Chapter 60 of this title.  If an environmental covenant is amended or terminated the amended environmental covenant or notice of termination shall be recorded in accordance with requirements set forth in § 7913 of this title.

(d) Except as otherwise provided in subsections (a) and (b) of this section, an environmental covenant may not be extinguished, limited, or impaired through issuance of a tax deed, foreclosure of a tax lien, or application of the doctrine of adverse possession, prescription, abandonment, waiver, or lack of enforcement, or any similar doctrine.