Arkansas River DSS | Colorado's Decision Support Systems

The Arkansas River Decision Support System (ArkDSS) is the final major basin DSS to be completed in Colorado. The feasibility study for the DSS was completed in 2011 and work started in 2017. This basin offers many unique challenges in terms of data collection and modeling with its complex administration and Compact requirements.

ArkDSS Task 1.1a - Canal Mapping

ArkDSS Task 1.1c - Historical Wells

Task Memo

ArkDSS Task 1.1d - Soil Available Water Capacity

Task Memo

ArkDSS Task 1.2

Task Memo
Historical Aerial Photos (1953, 1975, 1988, 1998)(174GB download)

ArkDSS Task 1.3 -Historical Irrigated Acreage Snapshots

Task Memo

State of Colorado Map with the Arkansas Basin highlighted

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ArkDSS Task 2.1 - Water Commissioner Interviews The objectives of these meetings were to 1) develop an initial basin understanding, 2) determine what diversion and reservoir structures should be included in future modeling efforts, and 3) determine which reservoirs and diversions warrant more detailed investigation and technical documentation. These objectives support Task 3 Consumptive Use Analysis and Task 4 Surface Water Modeling.

Water District 10	Water District 18	Ground Water Demands and Major Augmentation Plans below Pueblo Reservoir
Water District 11	Water District 19	Aurora Water Operating Memorandum
Water District 12	Water District 66	Colorado Canal Company
Water District 13	Water District 67	Colorado Springs Utilities Operating Memorandum
Water District 14	Water District 79	Fort Lyon Canal Company
Water District 15	Amity Canal	Fryingpan-Arkansas Project Facilities and Related Operations
Water District 16	Pueblo Board of Water Works Operating Memorandum	Trinidad Project and Purgatoire River Water Conservancy District Operating Memorandum
Water District 17	Upper Arkansas Water Conservancy District Operating Memorandum	Huerfano County Water Conservancy District
Holbrook Canal Operating Memorandum	Lower Arkansas Valley Water Conservancy District	Pueblo West Metropolitan District

ArkDSS Task 2.4 - Development of Structure Irrigation Parameters

Task Memo

ArkDSS Task 2.5 - Errant Data Points Submittal

ArkDSS Task 2.7.1 - Driller Log Database

ArkDSS Task 2.8 - URFs

ArkDSS Task 3.2-3.5 - Climate Data, Crop Coefficients, Climate Stations, Reservoir Evaporation

Other documents and data from the ArkDSS project will be listed as they become available.

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