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Orange County water supply reservoir water levels Available information as of 8:00 AM, Thursday, June 22, 2006 Lake Orange • Water level is full and spilling slightly. • Water storage capacity remaining is 100% (475 million gallons) • Current Eno River flow at the Hillsborough gage is approximately 4.9 cfs (3.2 million gallons per day). • Eno flow levels are currently below historical median flows, but have been well above the historical means as a consequence of rainfall from tropical storm Alberta. The streamflaw has fallen steadily from its peak {approximately 700 cfs) on June 14th. There are currently na controlled releases for instream flow from either the Lake Orange or West Fark reservoirs, however it will became necessary to make such releases from Lake Orange very soon without additional rainfall. • Stage I Ena River Capacity Use Restrictions came into effect an May 28t" and were lifted on June 19th. Without additional rainfall, restrictions will become effective again on June 27~". West Fork Reservoir • Water level is at full capacity • Water storage capacity remaining is 100°~ OWASA Reservoirs • Water level at Cane Creek Reservoir is 14.0" below full • Water level at University Lake is 3.5" below full • Total remaining water storage capacity is approximately 94.1 % • Approximately 360 days of water supply remaining {at current 7-day average dally demand j8,5 million gallons per dayJ} National Weather ServicelNOAA Regional Precipitation data {inches above [+] or below [-] normal) RDU -6.34" for 2005 -0.56" since January 1, 2006 +6.07" since June 1.2006 Miscellaneous notes Piedmont-Triad -9.94" for 2005 -5.70" since January 1, 2006 +2.14" since June 1.2006 1. The NC Drought Management Advisory Council drought map, updated June 13t", show the northern half of Orange County to be "abnormally dry", with the southern and extreme western portions of the County to be in "moderate draught". 2. The OWASA service area remains under the OWASA-declared a Water Supply Advisory (which alerts OWASA customers about potential water supply shortages and providing advanced notice that additional [beyond those specified in OWASA's year- round concervation requirements] water use restrictions could be imposed if supply/ demand conditions do not improve in the near future.