Agitator Ditch
Baseline Reservoir
Beeman Irrigating Ditch & Milling Company
Boulder & Weld County Ditch
Boulder & Left Hand Ditch
Boulder & White Rock
Boulder White Rock Lateral & Siphon
Bonus Ditch
Brighton Ditch Company
Bunyan Lateral
Butte Milling & Irrigating Ditch
Culver Lateral
Davidson Ditch
Davidson High Line
Denio Taylor
East Boulder Ditch
Eisele Lateral
Enterprise Ditch
Erie Coal Creek
Farmers Ditch
Fisher Ditch Company
Godding
Green Ditch
Howard Lateral
Ida & Starbird
James Ditch
Jones & Donnelly Ditch
Last Chance
Longmont Supply
Lower Oligarchy
McGinn
McKay Lateral
New Brantner Extension Ditch
New Consolidated Lower Boulder
North Tollgate Ditch
Oligarchy
Osborn Lateral
Pennock Lateral
Platteville Irrigating & Milling
Pleasant Valley
Plumb & Dailey
Reed Lateral
Rough & Ready
Runyan
Rural Ditch Company
Smith & Emmons
South Boulder Canon
South Branch
St Vrain Manor
St Vrain Reservoir
Supply Ditch
Terry Lateral
United Water Company
Water Users of District 6