Agenda - 10-09-2007- - Laserfiche WebLink

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Orange County water supply reservoir water levels Available information as of 3:00 PM, Thursday, October 4, 2007 Lake Grange • t~'ater level 72.5" below spilling. • Water storage capacity remaining is 55.0% (261 million gallons) • Approximately 92 days of water supply remaining (at Capacity Use specified release rate) • Cover the last 3 days, Eno River flow at the Hillsborough gage has unexplainably dropped from just above 2 cfs (1.3 mgd) to 0.83 cfs (536,000 gpd) even though releases from Lake Orange have been increased and is well below the Capacity Use requirement of 1.7 cfs (1.1 mgd). This is well below the median flow for this time of year.. • Phase 4 Eno River Capacity Use vrithdrawal restrictions have been in effect as of September 28~'. West Fork Reservoir (as of 9128/07) • Water level is 47" below spilling • Water storage capacity remaining is 77.0% • Approximately 232 days of water supply remaining {assuming Town's current release rate (4.0 cfs, 2.6 mgd) and demand [averaging 1.3 mgd 2.2 cfs over the last weeks) • Since 9111/07, the Town has peen releasing sufficient flow into the river to meet some~~~•hat more than required for its own use and its minimum instream flow release. • Hillsborough's water customers are not under any prohibitions or restrictions on t~--°ater use. ~WASA Reservoirs • Water level at Cane Creek Reservoir is 103.3" below full • Water level at University Lake is 89.8" below full • Total remaining water storage capacity is approximately 55.6 • Approximately 171 days of water supply remaining {at current 30-day average daily demand [10.8 million gallons per day]) • On September 27, 2007 OWASA (followed by the local governments having jurisdiction over O`~'ASA customers) declared a "Stage I t~'ater Shortage", a mandatory regulation of uses of water conside~re~d extraneous «-hick will be in effected until terminated.