Celebrating our 80th Anniversary

Interstate Commission on the Potomac River Basin

An old, black and white photo of seven men standing behind another man that is seated at the table, signing a document.

80 Years of Protecting the Potomac

ICPRB is very excited to celebrate our 80th anniversary (1940-2020). The Potomac Timeline below explores the milestones of the past 8 decades on the Potomac River basin. From pollution to policy, ICPRB was there every step of the way. 

Potomac Timeline


What else is ICPRB doing to celebrate the occasion? Check it here.

Early History

What was the Potomac River like prior to 1940? View a timeline of early history on the Potomac.

Please contact us if there are additional items you believe should be included in the timeline.