Welcome to the Colorado-Kansas Arkansas River Compact Administration’s website!  We welcome any suggestions, please comment using the Contact page.

Past Meetings


2021 ARCA Annual Meeting

Presentations to ARCA
Meeting Recording

Upcoming Meetings


2022 ARCA Annual Meeting

Committees of ARCA
Wednesday, December 7th, 2022 at 1:30 p.m. MST

Annual Meeting
Thursday, December 8th, 2022 at 8:30 a.m. MST

Meetings will be held at the Elks Lodge No. 1319 in Lamar, CO.

Model Domain Area within Arkansas River Basin

Photo of John Martin Reservoir
courtesy of Army Corps of Engineers, Albuquerque District