Department of NaturalDepartment of NaturalDepartment of Natural Department of Natural Resources and Conservation, Resources and Conservation, ,,

Water Resources DivisionWater Resources Division

State Water Projects BureauState Water Projects BureauState Water Projects BureauState Water Projects BureauKevin B. Smith, P.E., ChiefKevin B. Smith, P.E., Chief

ksmith@mt.govksmith@mt.govksmith@mt.govksmith@mt.gov444444--29322932

•104% Capacity

•119% average•119% average

•~29,300 Acre-Feet

•Inflows=500 cfs+/-

•Elev.=4252.3

•Reservoir conditions are normal

•86% Capacity

121%•121% average

•20,120 Acre-Feet

•Inflows=2 cfs+/-

•Outflows=0 cfs

•Elev.=4775.83

•Supply Canal was breached and has sustained damaged at HG

•Reservoir conditions are normal

SummarySummary Majority of reservoirs are full and spilling Majority of reservoirs are full and spilling (drafted reservoirs are exceptions)(drafted reservoirs are exceptions)

Winter carryover+May precipitation=fast storageWinter carryover+May precipitation=fast storage

17 f 18 i b hi t i f thi ti f17 f 18 i b hi t i f thi ti f 17 of 18 reservoirs are above historic averages for this time of 17 of 18 reservoirs are above historic averages for this time of year year (Middle Ck @ 71% was drafted and runoff starting to refill res.)(Middle Ck @ 71% was drafted and runoff starting to refill res.)

Delivery canals for offDelivery canals for off--stream storage projects incurringstream storage projects incurring Delivery canals for offDelivery canals for off stream storage projects incurring stream storage projects incurring damagedamage--assessment to be completed once water recedesassessment to be completed once water recedes

All DNRC SWP Reservoirs are stable and site conditions areAll DNRC SWP Reservoirs are stable and site conditions are All DNRC SWP Reservoirs are stable and site conditions are All DNRC SWP Reservoirs are stable and site conditions are normalnormal

If neededIf needed Water User’s will have full water supply fromWater User’s will have full water supply from If neededIf needed--Water User’s will have full water supply from Water User’s will have full water supply from reservoirsreservoirs