Agenda - 08-21-2007- - Laserfiche WebLink

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Orange County water supply reservoir water levels Available information as of 3:00 PM, Tuesday, June 12, 2007 Lake Orange • Water level 38" below spilling. • Water storage capacity remaining is 70% (333 million gallons) • Approximately 110 days of water supply remaining {at Capacity Use specified release rate} • Current Eno River floe-~ at the Hillsborough gage is averaging approximately 2.0 cfs { 1.3 million gallons per day), which is well below the median flow for this time of year.. • Level 2 Eno River Capacity Use Restrictions are in effect at this time and have been since May 27. 1~'est Fork Reservoir • Water level is 20" below spilling • Water storage capacity remaining is 93.8% • Approximately 290 days of water supply remaining (assuming Town's current demand [averaging 1.26 mgd over the last five weeks] and required releases for streamflow augmentation [0.65 mgd]) • The Town has been releasing 1.86 mgd into the river for the last few weeks (1.21 mgd more than required) to help preserve Eno instream flow and water level in Lake Orange. O~VAS A Reservoirs • Water level at Cane Creek Reservoir is 53" belo«~ full • Water level at University Lake is 58"below full • Total remaining water storage capacity is approximately 73.8% • Approximately 227 days of water supply remaining (at current 7-day average daily demand [10.9 million gallons per day]) National Weather Service/NOAA Regional Precipitation data (inches above [+~ oi• below ~-~ normal) RDU -0.59" since August 1, 2007 11~Tiscellaneous notes Piedmont-Ti~ad -0.41" since August 1, 2007 1. The NC Drought Management Advisory Council drought map, updated August 14, 2007, shows Orange County to be in the area characterized as "severe drought" in terms of climatic conditions. 2. Orange Alamance's ~~--Withdrawals are now averaging approximately 0.2 mgd, well below its Stage 2 allocation and Piedmont Minerals withdraws are averaging 0.01 mgd, well below its allocation. Combined with the additional releases by Hillsborough, the water level at Lake Orange, though low, is well above historical expectations, given the lack of rainfall.