Md. Code, Land Use § 4–202

(a) The legislative body shall adopt zoning regulations:

(1) in accordance with the plan;

(2) with reasonable consideration for, among other things, the character of the district or zone and its suitability for particular uses; and

(3) with a view to conserving the value of property and encouraging orderly development and the most appropriate use of land.

(b) The zoning regulations shall be designed to:

(1) control street congestion;

(2) promote health, public safety, and general welfare;

(3) provide adequate light and air;

(4) promote the conservation of natural resources;

(5) prevent environmental pollution;

(6) properly manage growth and development; and

(7) promote or facilitate adequate transportation, water, sewerage, schools, recreation, parks, and other public facilities.