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Last modified
9/26/2011 8:52:20 AM
Creation date
7/9/2008 2:46:42 PM
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Decision Support Systems
Title
SPDSS Task 5 - Key Structure, Lower Latham Ditch and Reservoir System
Description
The Lower Latham Ditch and Reservoir System has been identified as a key structure 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
2/10/2005
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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direct flows are supplemented with storage from Lower Latham Reservoir to keep the ditch <br />operating near 170-180 cfs. Demand begins to fall by the end of August to early September, as <br />the final harvests of corn and alfalfa are made. By the end of September, flows in the ditch <br />remain at 50-60 cfs to irrigate the remaining sugar beets and wheat fields. <br />Highland Ditch has been used in the past to irrigate approximately 1000 acres between the ditch <br />and the South Platte River (see Figure 1). It is currently used solely for augmentation purposes. <br />Non-Irrigation Season <br />Once the irrigation season has finished, flows through Union Ditch are directed through the <br />south extension to fill Lower Latham Reservoir. Between November 1st and April 1st Union <br />Ditch is used to fill the portion of Lower Latham Reservoir not filled by Morrison Seepage <br />Ditch. Only one type of water flows through Union Ditch at a time, so the quantity of water that <br />enters Lower Latham Reservoir may be monitored at the headgate of Union Ditch. <br />Where to find more information <br />^ Watercolorado.com provides general information regarding Lower Latham Ditch and <br />Lower Latham Reservoir, as well as other ditch systems in Colorado. <br />REFERENCES <br />1) Bob Stahl, District 2 Water Commissioner. 303-857-0742. <br />2) Jim Park, President. Lower Latham Ditch Company. 970-352-2125 <br />3) Water Colorado Website. <www.watercolorado.com> <br />4) Hydrobase. State of Colorado official water resources database developed under the <br />Colorado Decision Support System. <br />5) Lower Latham Ditch and Reservoir Operating Information Memo. 1/12/04. Denver Water. <br />Lower Latham Ditch Memo.doc 12 of 12 <br />
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