AHS Events Apr2025 Who Owns The Potomac? YouTube

Have you ever looked at maps and wondered why the boundary line between Virginia and Maryland on the Potomac River is so odd? It is not in the middle of the river, like it is in most places, and it doesn’t really follow the curves of one shoreline or the other. Michael Nardolilli, the Executive Director of the Interstate Commission on the Potomac River Basin will explain the weird history behind Arlington’s boundary along the Potomac River.