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WSP09796
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Last modified
1/26/2010 2:55:52 PM
Creation date
10/12/2006 3:55:44 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.200.06.M
Description
Imperial Dam
Basin
Colorado Mainstem
Date
1/1/1981
Author
USDOI/BOR
Title
Regional Director's Report of Flows and Diversions at Imperial Dam and All Actions Affecting the Coordination Thereof - Calendar Year 1981
Water Supply Pro - Doc Type
Annual Report
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<br />o <br /> <br />c. <br /> <br />irrigation requirements and by scheduling supplemental releases of <br />water from Parker Dam for sluicing flows and for refill of <br />Laguna Reservoir. This practice has fulfilled minimum sluicing <br />requirements without the waste of large amounts of aluice water which <br />otherwise would have been delivered in excess of Mexico's daily water <br />order. <br /> <br />- <br /> <br />~ <br />C""; <br /> <br />'. . <br /> <br />The program to maintain Laguna Reservoir full or near full on weekends <br />and holidays to provide for recreation was continued during 1981. <br /> <br />12. Radio Communications <br /> <br />Reclamation's responsibility in scheduling deliveries of irrigation <br />water at and below Imperial Dam and deliveries under the Mexican Water <br />Treaty requires that dependable communications be maintained between <br />Imperial Dam, Boulder City, Phoenix, and the four radio reporting <br />river gages. Failures have occurred in the radio system during the <br />year; however, maintenance provided by the Department of Energy and <br />Yuma Project Office radio technicians returned the units to service <br />within a reasonable length of time. <br /> <br />13. Gaging Stations, Colorado River at Taylor Ferry and below <br />Cibola Valley <br /> <br />These gages are operated by Reclamation. They are interrogated by <br />radio every 2 hours from Imperial Dam control house. The data <br />received from these stations, coordinated with releases from <br />Parker Dam and diversions and return flows from Palo Verde Irrigation <br />District and Colorado River Indian Reservation, are used in scheduling <br />and forecasting water operations at Imperial Dam. <br /> <br />14. Gaging Station, Colorado River below Yuma, Arizona <br /> <br />This station is located below the point where the California <br />Wasteway and Reservation Main Drain return to the Colorado River <br />and is operated by the USGS. Radio paging equipment operated by <br />Reclamation is used to obtain hourly flows which are <br />recorded at Imperial Dam. The data received from this station are a <br />valuable aid in regulating the flow of Mexican treaty water to the <br />Northern International Boundary. <br /> <br />Problems with this gaging station have occurred this year. A sandbar <br />has built up near the gage, plugging the transmission lines to the <br />stilling well. This has required frequent "blowing out" of these <br />transmission lines by maintenance forces. The gage is scheduled to be <br />moved downstream to a better location in 1982. Radio equipment at <br />this station has functioned properly. <br /> <br />16 <br />
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