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Last modified
9/26/2011 8:37:06 AM
Creation date
7/9/2008 12:55:03 PM
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Decision Support Systems
Title
SPDSS Task 5 - Key Municipal User, City of Fort Collins
Description
The City of Fort Collins has been identified as a key municipal user for the South Platte Decision Support System (SPDSS) consumptive use and surface water modeling efforts. The purpose of this Task 5 memorandum is to document physical, legal, and operational aspects of those key structures identified.
Decision Support - Doc Type
Task Memorandum
Date
2/5/2005
DSS Category
Surface Water
DSS
South Platte
Basin
South Platte
Contract/PO #
C153954
Grant Type
Non-Reimbursable
Bill Number
SB01-157, HB02-1152, SB03-110, HB04-1221, SB05-084, HB06-1313, SB07-122
Prepared By
Leonard Rice Engineering
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convey water to the WTF. The maximum capacity at this plant is currently 87 million gallons per <br />day (mgd). <br />Specifics regarding the Fort Collins Pipeline are as follows: <br />• 2 separate pipes at the river (24-inch concrete and 27-inch steel) are combined into one 36- <br />inch steel pipe north of Bellvue <br />• 32.47 cubic feet per second (cfs) capacity <br />• Diversions are measured at the Fort Collins Water Treatment Facility via a Venturi meter <br />• Pipeline losses are close to zero. Meter measurements at the plant are used to account for <br />river diversions. <br />Fort Collins, Greeley, and the Tri-Districts finished n~ ~- ~ ~~, <br />construction of the 120 mgd (186 cfs) capacity '~ , ~ ~ ~ti', <br />Pleasant Valle Pi eline PVP ins rin 2004. The `°'~ ~°`~~ ~ ~ <br />Y P ~ ) P g ~,~~° <br />PVP conveys water from the North Poudre Supply .~ `sr~,~°t~~, <br />Canal (aka Munroe Gravity Canal) past Greeley s `~L,,, ^ fi~~ <br />treatment plant near Bellvue en route to the City of `'~~ ~" <br />Fort Collins and the Tri-Districts treatment plants at "~ ~~ ~ ~~_,° `~. <br />Horsetooth Reservoir, as illustrated in Figure 4. The '~ ~. , <br />~Id[Eiu 1,'ua un ~~ <br />PVP is intended to rovide river water to the Fort `~~ ' ~~ <br />Y 1re~~lrm~atf piant~l [ ~r'i,.~r,~.~ ~ :' <br />Collins WTF (60 mgd capacity) and the Soldier ^Q„~~,, ~ ~,,i,~„ <br />te~.otin+intl~lnnt llulf~t°r,• <br />Canyon Treatment Plant (60 mgd capacity) during the Hors~¢c+ofh --- --- <br />summer (April-October) and be used in the reverse R~z~r~r~ir '~ <br />direction to provide storage water from Horsetooth ^ 4Va,errrea,~nenr~innt5 <br />Reservoir to the City of Greeley's Bellvue Treatment P~easp~,wlfa~€eyPipe9ine ~°~''~ollwrns ~-.~ <br />alignment <br />Plant during the winter (November-March). cnmp~etedpipetinesectime 'I fly,°,>i~„y <br />HydroBase Data <br />Figure 4 -Pleasant Valley Pipeline <br />The monthly data over the 1950-2002 period of record nnpaiWWW.nowoa.org/projeot&features/PVP rro~-ess.asp <br />pertaining to the Fort Collins Pipeline include the <br />following: <br />Total River Diversions <br />• Complete record 1950-2002 (see Figure 5) <br />• Historic diversions have ranged from 5,500 ac-ft/yr in the 1950s, growing to 16,000 <br />ac-ft/yr over the last 5 years or so. <br />• Records of alternate point diversions for Fort Collins's changed water rights at the old <br />Fort Collins Pipeline are generally available in HydroBase from the late-1990s forward. <br />City of Fort Collins Operating Memorandum.doc 7 of 20 January 5, 2005 <br />
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