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\ Location in Nebraska <br /> LHWY 283 \ \ �i <br /> PLUM CREEK PKWY \ ''0y \. <br /> S. I R� <br /> is 1 <br /> ATf 80 r "Bi9 Bend"Reach <br /> lc■ •HabrUtAree <br /> . <br /> ` \ ra wMw.G Crannl <br /> ■ <br /> J-2 RETURN GATE <br /> IV _ <br /> �— "—'• '�•••!� �y�- PLATTE RIVER- PROP0�0� " . <br /> i \ RESERVOIRS _N. �' —" <br /> = d <br /> J-2 HYDRO T t ■ , — — O' <br /> POWER PLANT c.." t l • S.j AREA 2 a <br /> PLUM CREEK- '\ �• \ AREA 1 <br /> '� \` co ROAD 748 <br /> T'1.(• 1 r t o <br /> f\ T ..` <br /> J PHELPS- <br /> e� S CANAL �•••----• <br /> r UNNAMED))) <br /> TRIBUTARY <br /> *tract sizes and shapes approximate <br /> since 1997. The reservoirs will give Nebraska The plan, part of Central's federal operating <br /> and the NRDs approximately 10,000 acre-feet license, requires Central to maintain space in <br /> per year of"credit," at a lower cost than oth- Johnson Lake to temporarily capture high <br /> er alternatives by retiming flows rather than flows that may result from large rainfall <br /> by retiring or restricting irrigation uses. events that could affect the birds' nests along <br /> the river. <br /> Benefits to Central The regulating reservoirs would achieve this <br /> Central benefits from the J-2 Regulating Res- function, allowing operation of Johnson Lake <br /> at higher, more stable levels during the <br /> ervoir Project because it will now have a <br /> "downstream regulator" for its J-2 Hydro- spring and summer recreation season. <br /> power Plant (J-2 Hydro). The reservoirs will Reservoir Design/ <br /> allow Central to operate the J-2 Hydro at <br /> peak efficiency without causing rapid fluctua- <br /> Operations <br /> tions in Central's Phelps irrigation canal and The facility will consist of two adjacent reser- <br /> the river downstream. voirs encompassing a total of about 1,200 <br /> acres of land. The reservoirs will be able to <br /> The reservoirs will also reduce the impact of <br /> impound a maximum of 18,000 acre-feet. <br /> a flow attenuation plan on Johnson Lake. <br /> The reservoirs will be enclosed by berms with <br />