About Us



Amber Weber
South East Colorado
(719) 688-9941


DARCA is governed by a Board of Directors and is based on river basins with additional board seats for ex-officio members.

Mannie Colon, President

Arkansas Basin
(719) 275-6359

Scott Campbell, Vice President
Arkansas Basin
(719) 469-6831

Craig Ullmann, Secretary
Colorado Basin

Applegate Group, Inc.
(970) 945-9686

Kirk Russell, Treasurer

Metro/South Platte Basin
Colorado Water Conservation Board – Ex-Officio Member
(303) 866-3441 ext 3232

Kevin Salter

Arkansas Basin Basin

Kansas Department of Agriculture – Ex-Officio Member

Phil Bertrand

Gunnison Basin
Grand Valley Irrigation Company – Grand Junction
(970) 242-2762

Paul Kehmeier

Gunnison Basin

Colorado Department of Agriculture – Ex-Officio Member
(719) 614-4921

Matt Cook – Technical Ex-Officio

Metro/ South Platte Basin
HDR Incorporated


Chane Polo - Legislative Liaison 

Metro/South Platte Basin - Ex-Officio Member

Colorado Water Congress


Dawn Jewell

Metro/South Platte Basin
Brighton Ditch Company – Fort Lupton
(303) 739-7145

Jennifer Wellman

Yampa, White, Green Basin
The Nature Conservancy

Nathan McCoy

Metro/South Platte Basin
Church Ditch Water Authority
(303) 335-7143

Board member slots unfulfilled by river basin- Rio Grande and Southwest


We look forward to hearing from you!



PO Box 1826
Longmont, CO 80502

The definitive resource for networking, information exchange, and advocacy among ditch and reservoir companies, irrigation districts, laterals, and private ditches. ©2020