Welcome to the Colorado-Kansas Arkansas River Compact Administration’s website! We welcome any suggestions, please comment using the Contact page.
Past ARCA Annual Meeting Presentations
2025 Annual Meeting
Notice and Draft Agenda
Committees of ARCA
Monday, December 8th, 2025 @ 1:00 p.m. MST*
Annual Meeting
Tuesday, December 9th, 2025 @ 8:30 a.m. MST*
*Both meetings will be held at Tavern 1301 Historic Cow Palace Inn in Lamar, CO.
Model Domain Area within Arkansas River Basin
courtesy of Army Corps of Engineers, Albuquerque District