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For Emergency: 911 | Out of County: 240-777-0311


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All Services

Water and Sewer Categories Listed for a Property
Just as the County's zoning maps are the record of zoning decisions, the water category and sewer category maps show, in a geographic format, the service area categories designated throughout the County. Consult the online mapping application to find an address and determine the water/sewer category designation (see help box: "Find water and sewer categories using the MC Map Viewer").

For inquiries requiring the response of a DEP investigator, you will typically be contacted within 3 days although resolution of the issue may take longer depending on the circumstances of the case.

Find more information from the following link(s):
  • Water and Sewer Service Area Categories

  • To speak with a Customer Service Representative, please call 311 during business hours.