Authorizing the St. Mary's County Metropolitan Commission to discontinue all or part of water or sewer service provided to an improved private property determined to be unsafe, unfit, or unsuitable for human occupancy due to an accident, artificial disaster, or natural disaster; requiring the suspension of the ready-to-serve charge on certain private properties; and authorizing the St. Mary's County Metropolitan Commission to utilize certain remedies for a violation related to certain public water and sewer use.