The following boundaries are designated as official dividing lines for the Chesapeake Bay, sounds, and straits. These boundary lines are for the purpose of delineating those areas and tributaries from the Chesapeake Bay

The printed version of the Code of Maryland Regulations (COMAR) is the official and enforceable text. Only the official text may be judicially noticed under Courts and Judicial Proceedings, Section 10-203, Annotated Code of Maryland. For the complete, searchable, text of these regulations click here to access the Maryland Division of State Documents.

Click on a box for a closer view of the dividing lines in that area.