Water and sewer categories represent different planning levels for the provision of public water and sewer service. Prince George's County has used water and sewer categories, also known as "service areas" and "system areas", since the adoption of its first Comprehensive Water and Sewer Plan in 1977. The establishment of different water and sewer categories allows public water and sewer service to be staged according to development proposals, and assures high quality development by the landowner consistent with County policies. The Prince George’s County Department of Environmental Resource is responsible for updating this plan. The current 2008 Water and Sewer Plan was adopted on November 18, 2008.
The water and sewer categories determine if and when service is available to a property. The county uses four water and sewer categories: