My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
Prehearing Statement of the Town of Silverton
CWCB
>
Water Supply Protection
>
DayForward
>
3001-4000
>
Prehearing Statement of the Town of Silverton
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
1/26/2010 4:41:25 PM
Creation date
7/27/2009 10:35:15 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8230.51A1a
Description
Applicant's Prehearing Statements: Legal Documents
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
6/6/2005
Author
David W. Robbins, Mark J. Wagner
Title
Prehearing Statement of the Town of Silverton
Water Supply Pro - Doc Type
Court Documents
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
125
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
Show annotations
View images
View plain text
determine the width of the opening to maintain 2 feet of depth. Using • <br />Equation 2 above and solving for L <br />L = -Q (2) <br />3.3 * h3?2 <br />Because approximately 100 cfs is passing through the low flow opening, Q in <br />Equation 2 is 500 cfs, for a total flow of 600 cfs. Therefore, the opening for <br />the high flow rate is 54 feet. This width, along with the depth and flow rates, <br />conforms to commonly accepted design practice for white water kayak <br />courses. This is discussed further in Mr. Lacy's testimony. Control <br />structures narrower than this width would not create the downstream wave <br />characteristics required for an adequate white water recreational experience. <br />High flows are requested for three, three-day weekends (Memorial Day, <br />Independence Day, and Labo:r Day) and for daylights hours (7:00 am to 8:00 <br />pm). These dates and times a.re consistent with the Town of Silverthorne's <br />plans to create event oriented recreational experience in the Blue River <br />h. Frequency and Duration of Requested Amounts of Water for the <br />RICD <br />As shown in Exhibits I, J and K, there are sufficient unappropriated flows • <br />available for diversion by the Course to,meet the goals and objectives for the <br />Course. <br />Historical average monthly flows in the proposed reach of the Blue River for <br />the Course are presented in Exhibit I for the period, October 1, 1986 through <br />September 30, 2004. These data show that, historically, the requested low <br />flows (100 cfs) are available. Exhibit J provides the number of days per <br />month that flow greater than 1100 cfs were historically available for this time <br />period. The period (May - Sf;ptember) and times (7:00 am to 8:00 pm) <br />requested will minimize the ilnpact on exchanges upstream of Dillon <br />Reservoir. Exchanges can be made during the winter months or during the <br />nighttime hours in the summer without any effect from the Silverthorne <br />RICD. Exhibit K presents the; number of days per month for the period <br />October 1, 1986 to September 30, 2004, during which the flow was greater <br />than 600 cfs in Blue River below Dillon Reservoir. Figure L presents <br />historical flows for the May 1 to September 30, 2004 period. In September, <br />the flows averaged 400 to 500 cfs for the Labor Day weekend. These higher <br />flows results from an offer by Denver Water in 2004 to coordinate releases <br />from Dillon Reservoir to Green Mountain Reservoir. This offer by Denver <br />Water allowed the Town to plan events for the 2004 Labor Day weekend. <br />These higher flows indicate triat periodic, planned increased releases are <br />possible from Dillon Reservoir even during historically low flow years. These <br />high flows have the added betiefit of flushing the Blue River which can be • <br />beneficial to fish habitat.
The URL can be used to link to this page
Your browser does not support the video tag.