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<br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br /> <br />a full understanding of the impacts <br />and benefits. <br /> <br />state and local governmental <br />processes at the time they are for- <br />mally proposed. Reservoirs may <br />also have potential recreational <br />benefits. <br /> <br />b) Buy development rights or property <br />through local open space funds to <br />reduce the rate of in-basin water <br />consumption <br /> <br />b) Pump back systems, such as <br />between Dowd Junction and Vail, <br />can help increase flows jn between <br />diversion and return flow points. <br />While useful in specific areas, they <br />are not a watershed wide solution <br />for improving flows. Environmental <br />impacts to air quality and from <br />increased water temperatures <br />would need to be addressed with <br />any proposal. <br /> <br />c) Grant water taps or building permits <br />in increments based on estimated <br />water supply thresholds (e.g., waste <br />water treatment capacity or point at <br />which diversions increase the fre- <br />quency of instream flow deficits) or <br />adopted land use policies for <br />growth. <br /> <br />3. INVESTIGATE STORAGE AND <br />ENGINEERING SOLUTIONS <br /> <br />c) Return flows for domestic use <br />should be located in close proximity <br />to diversions. <br /> <br />Investigate the following storage and <br />engineering solutions to reduce the fre- <br />quency of stream flow deficits and aug- <br />ment supply: <br /> <br />d) When legally possible, require con- <br />sumptive uses such as golf course <br />and snow making operations to <br />incorporate on-site storage to <br />mitigate the impacts of their <br />seasonal withdrawals. <br /> <br />a) It is recognized that some form of <br />storage may be needed to protect <br />and enhance stream flows during <br />low flow periods. A reservoir or <br />several small reservoirs could <br />provide additional water storage <br />for the Eagle River watershed. A <br />reservoir proposal would need to <br />carefully evaluate the environmen- <br />tal impacts (positive and negative), <br />evaluate hydrologic impacts to the <br />Eagle River, examine the socio eco- <br />nomic pros and cons, and provide a <br />long term solution for water usage <br />in the Eagle River watershed. The <br />cost for a reservoir ranges from <br />$1,500 to $8,000 per acre foot of <br />yield (release) and can take a con- <br />siderable amount of time to design, <br />receive permits and build. Reservoir <br />development must be addressed <br />through specific proposals that are <br />subject to the appropriate federal, <br /> <br />~~ <br />IJlI!IJIIJ!IIj <br />...... 27 <br />