Sept 11 South PlatteMinutes - Laserfiche WebLink

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Irrigated acreage: 900000 irrigated acreage; High capacity wells: northern high plains as well as along river; most follow the river; Factors leading to increased competition for limited water resources --return to normal precipitation and runoff --rapid growth current with 3 wettest decades in last century --increased reuse and capture of consumable return flows: non-tributary; transbasin; consumptive; Need to reclaim reuse. Average Annual Streamflow by Decade: 70s, 80s 90s...wettest; 2000 could be...Henderson, Kersey. still wet; Average Annual Water Availability: Kersey: 306,000 legally available; free river conditions; but this is being used downstream; Down by Sedgwiclc: 109,000 ac ft If you looked at each drop you could capture: zero Projected changes in South Platte River flows: maximum reuse of water supplies; building mechanisms and means to reuse; use of gravel and lakes and alluvial storage; additional water rights acquisitions for ag; ag conversions from sprinklers; won't see return flows; M&I conservations in future; thus, reduced flows, increased GU, reduction in groundwater; less water for aug Storage Rights: Once they are on the table. camlot be abandoned; Volume of Conditional water rights: 75000 conditional water rights: District l; thus if you are a jr user, risk that these will come into play 49000 ac ft that could be brought into the system April to June 2007: Free river; good test of how conditional water rights work From Henderson to Balzac...to Sedgwiclc: peak flow about 800 cfs; recharge sites frill of water; above high level; recharge; Harold: Jim Hall's estimate: 50,000 acft left the state over and above the compact call. Dick: Normally, hardly ever does the 120,000 leave the state; one of few times that water has flown over Reservoirs: gravel pits See List. Current vs. Historical Administration --Increase in vegetation 6