27m ‎(2)‎

• Board Meeting Date: 11/19/2008
• Description: CF Section - En-Bloc Non-Reimbursable Investment Recommendations - Investments South Platte Decision Support System ‎(SPDSS)‎
• Board Meetings - Doc Type: Memo

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MEMORANDUM

Bill Ritter, Jr.

Governor
To: Colorado Water Conservation Board Members

Harris D. Sherman

DN R Executive Director
From: Ray Alvarado

Jennifer L. Gimbel

CWCB Director

Dan McAuliffe
Date: November 5, 2008
CWCB Deputy Director

Agenda Item 2 7 m , November 18 - 19, 2008 B oard Meeting ,
Subject :
Water Suppy Planning and Finance Section En bloc Non - Reimbursable
Investments South Platte Decision Support System (SPDSS)

Introduction

This request is for the continued implementation of the CWCB South Platte Decision Support System
(SPD SS). The implementation of the SPDSS is anticipated to take a total of 6 to 7 years to complete as
described in the feasibility study and approved by the Board. The SPDSS is currently in its 5 year of
implementation. SPDSS is part of the CWCB long - range pl an related to the CDSS effort, which is to have
For FY 0 8 - 09 , an appropriation of $1 50,000
a decision support system for each river basin in Colorado.
is being sought from the Construction Fund to complete the CWCB SPDSS program.
The SPDSS
was initiated in 2001 with the approval of $2,000,000 from the construction fund. The program was again
funded in 2002 & 2004, with the approval of $2,000,000 & $2,500,000 respectfully, fro m the construction
fund. No funds were requested in 2003. In 2005 , the pr ogram was funded for $1,500,000 and in 2006 and
additional fund request of $2,000,000 was made and in 2007 $1,000,000 was appropriated . The current
total of non - reimbursable investment in SPDSS is $ 1 1 , 15 0,000.

Recommendation

Staff recommends that the Board request the General assembly authorize $150,000 from the Construction
Fund to be appropriated to the Colorado Water Conservation Board for additional year 5 work tasks
associated with the South Platte Decision Support System.

Discussion

Development of the SPDS S is being built upon the experience, databases, tools and models already
completed for the CRDSS and RGDSS. The South Platte River basin, however, is a more complex river
basin from hydrologic, hydrogeologic and institutional perspectives than either the Colorado River or the
Rio Grande basins. Consequently, in order to produce a working SPDSS it will be necessary, in some
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