Md. Code Ann., Envir. § 9-217
Notwithstanding any provision of this title or any regulation of the Department that prohibits the installation of a specific on-site sewage disposal system, at the request of a person who owns a lot that was legally established on November 17, 1985, the Department shall test and evaluate the lot for an on-site sewage disposal system as if the person had applied to the Department and the Department had acted on the application on November 17, 1985.
Added by Acts 1987, c. 612, § 2.