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SPDSS
<br />Colorado Water Conservation board, Colorado Division of Water Ke,5ource5
<br />With a query of irrigation infrastructure you can identify possible water
<br />rights transfers from one headgate to another.
<br />'Did you know.. .
<br />SPDSS lets you use GIS without having to spend
<br />hundreds of dollars to punchase GIS software?
<br />Go to http://cdss.state.co.0 and select Map
<br />Viewer from the horizontal menu.
<br />View Data feature allows users to query
<br />and download selected data.
<br />Data from HydroBase is available for viewing and
<br />downloading using the View Data tool on the website. The
<br />user can define the basin, date range, water source, and /or
<br />structure and View Data will query HydroBase and then
<br />return the results in Excel, Adobe Acrobat, or another user
<br />specified format View Data is a user-friendly way to query
<br />and view in a limited fashion real time call data, water rights,
<br />climate data, groundwater levels flow stations, structures,
<br />and other data.
<br />It gives you access to data, no longer requiring a trip to
<br />the State Engineefs Office.
<br />View Data provides the same data that are being used
<br />throughout the basin.
<br />• It provides through limited queries the same data and
<br />information obtained by using the HydroBase database
<br />and interface that can be purchased from DAR —but at
<br />no cost.
<br />ra +
<br />New Tools in Progress
<br />Basin - specific models help us understand
<br />unique nature of the South Platte Basin.
<br />In order to understand and quantify how the South Platte
<br />River's water is moving and being used in the basin, basin
<br />specific models are being developed. Users can have
<br />confidence in the validity of the analyses and results because
<br />the models that have been used in CDSS are established and
<br />widely accepted in Colorado , and have been part of the
<br />ongoing technical peer review process.
<br />Agricultural and municipal use in the South Platte
<br />Basin have been documented in support of upcoming
<br />consumptive use and surface water modeling efforts,
<br />including information about the 25 largest agricultural
<br />providers (including Northern Colorado Water Conservancy
<br />District Farmers Reservoir and Irrigation Company,
<br />Julesburg Irrigation District, and Latimer and Weld
<br />Irrigation Company) and the 9 largest municipal provider
<br />(Denver, Aurora, Ft. Collins, Greeley Boulder, Longmont,
<br />Loveland, Westminster, and Thornton). Detailed technical
<br />memoranda are available on the SPDSS website.
<br />Surface water, groundwater and
<br />consumptive use models being developed.
<br />Because the surface water hydrology of the South Platte
<br />Basin is very complex, aproo£ of concept surface water
<br />model (StateMod) has been developed for Water District
<br />64 to see if a full model of the South Platte Basin could be
<br />developed. As a result of this proof of concept model, it
<br />was determined that StateMod can and will be implemented
<br />for the South Platte Basin as a whole. For the groundwater
<br />model, extensive datasets of aquifer properties and
<br />groundwater levels have been developed that are available to
<br />SPDSS users.
<br />SPDSS also includes acrop consumptive use model
<br />(StateCU) to determine consumptive use for agriculture
<br />in the basin. Over twenty experts from the engineering,
<br />academic, and government communities volunteered to
<br />participate in the review of SPDSS recommendations
<br />for the crop consumptive use analyses. Improvements to
<br />StateCU including stronger graphical and tabular output
<br />reporting and accommodating reviewers interested in
<br />potential consumptive use at a defined location, have
<br />resulted in an increased use of the StateCU model by
<br />engineers and State personnel.
<br />Upcoming tasks are to determine conveyance and
<br />application efficiencies, assign appropriate climate stations
<br />and fill missing climate date, and determine suitable
<br />consumptive use methods and crop coefficients.
<br />The Newsletter for the South Platte Decision 5upporb System
<br />A Publication of the Colorado Water Conservation goarA and Coloraclo Division of Water Kesources
<br />I ssue4
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<br />rcaturccl in tki5 155ue:
<br />Maps, c ata anc more information akout the South riatte
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<br />took bunt an� re�inec� to better serve water users
<br />What is SPDSS?
<br />The South Platte Decision Support System helps water users make informed decisions
<br />about managing water.
<br />State agencies, water providers, and water user are constantly evaluating management of water resources in response to
<br />increases in population and demand, droughts, endangered species issues, and reductions in federal water program funding.
<br />SPDSS is a comprehensive decision support system (DSS) being developed for the South Platte Basin under the direction of
<br />the Colorado Water Conservation Board (CWCB) and Division of Water Resources (DAR) with review and input by users in
<br />the form of a core advisory group and specific technical advisory groups,
<br />The overall'purpose of SPDSS is to provide all water users - from farmers, to water providers, to Colorado agencies -a better
<br />means for accessing, organizing, and evaluating a wide range of information and alternative strategies for making decisions
<br />about developing, managing, and preserving the water resources of the South Platte River Basin.
<br />SPDSS, the third DSS to be developed by the state, consists of data that characterizes the hydrologic and hydrogeologic
<br />features of the basin and tools that provide enhanced water administration and water resource planning capabilities.
<br />CWCB contracted with several firms to bring particular expertise to the development of SPDSS. These firms include
<br />.Riverside Technology (GIS, irrigated parcels, and system integration), CDM (groundwater /�
<br />resources), Leonard Rice Engineers (consumptive use), and Brown and Caldwell vyq oU k ow.. .
<br />(stakeholder outreach).
<br />This newsletter focuses on providing water user with information and updates on the
<br />SPDSS data and tools that can help to manage the water resources of the South Platte
<br />River Basin. For more information about SPDSS and to access the data and documents
<br />discussed in this newsletter, visit the Colorado DSS website at hap / /cdss.state.co.us or
<br />contact Ray Alvarado, the SPDSS Project Manager at CWCB
<br />(363 -866 -3517 or ray.alvarado@state.co.us).
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