Agenda - 08-18-2009 - Laserfiche WebLink

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Orange County water supply reservoir water levels Available information as of 2:00 PM, Wednesday, August 12, 2009 Lake Orange • Water level is full and spilling • Water storage capacity is at 100% (475 million gallons) • Approximately 141 days of water supply remaining (at Capacity Use specified release rate). • The Hillsborough gage indicates that current Eno River flows are at approximately 11 cfs (7.1 mgd) and falling. This flow represents a level that is approximately 120% of the historical median flow level (9 cfs) for this day of the year. • At this time of year, seasonal rains have ended and there is very little base flow to the Eno. The Stage I Capacity Use restrictions on withdrawals and requirements for minimum instream flow have been in effect for more than a month. However, instream flows and lake levels have been boosted by thunderstorm activity for most of the time since the initiation of the Capacity Use requirements. • Orange Alamance continues the operation of its water plant five days a week (Monday- Friday) with average withdrawals of 350,000 gallons per day, an increase of 50,000 gpd since last years. West Fork Reservoir (as last reported 8/12/2009) • Water level is just below full • Water storage capacity remaining is approximately 100 • Approximately 365 days of water supply remaining (assuming Town's current 30 day average-water consumption rate (1.18 mgd). OWASA Reservoirs (as last reported 8/11/2009) • Water level at Cane Creek Reservoir is 2'-5" below full. • Water level at University Lake is 16" below full. • Total remaining water storage capacity is approximately 87.7% (3.13 billion gallons) • Approximately 353 days of water supply remain with no additional rainfall (at the current 30- day average daily demand [8.85 million gallons per day)) • OWASA's year-round water conservation requirements are in effect National Weather Service/NOAA Regional Precipitation data (through 8/11/2009) (inches above f+1 or below ~-1 normal) RDU Piedmont-Triad -0.63" since August 1, 2009 -0.77" since August 1, 2009 -5.12" since January 1, 2009 -4.47" since January 1, 2009 Miscellaneous notes The NC Drought Management Advisory Council drought map, last updated August 4, 2009, indicates that all of Orange (and all surrounding counties) County lies within the area of the state characterized as experiencing abnormally dry weather conditions.