Agenda - 11-21-2002-1 - Laserfiche WebLink

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i~ Table 1 Maximum Allowable Surface Water Withdrawals _ Eased on Lake Orange Level Drawdown Allowable Surface Watex Withdrawal Percent of in feet --------gallons per day----------- Storage from top Remaining at of 1-ft. Town of Orange- Piedmont Instrearn Flc Lake Orange flashboard Hillsborough Alamance Minerals Reouirement > 100 spilling * * ** 1,100,000 I00 - 80 0.0 1,640,000 690,000 430,000 1,100,000 80 - 60 2.0 1,480,000 620,000 380,000 650,G0t~ 60 - 50 4.3 1,390,000 590,000 360,000 450,000 50 - 40 5.8 1,390,000 590,000 320,000 450,00: 40 - 30 7.4 1,230,000 520,000 190,000 0 <= 30 9.3 740,000 310,000 0 0 notes: * - Adjusted to reflect outside source agreement for Hillsborough and Orange-Alamance. - Excess withdrawals from Eno River based on outside source agreement can be made ~anen flows at Hillsborough Gage are 10 cfs and above, regardless~of water level in Lake Orange. Maximum withdrawals will be limited .to the total of the contract amount and the allocated amount. - When flows are between 10 cfs and 3 cfs at the Hills- borough Gage, withdrawals from the Eno P,iver will be limited to the 100-80 percent of storage remaining amount shown above, regardless of water level in Lake Orange. - When flows are less than 3 cfs at the Hillsborough Gage, withdrawals will be limited to amounts shown above for percent of storage remaining. ** - For Piedmont 2~~inerals Inc: when flows at the Hillsborough gage are 14 cfs and above, withdrawals from the ono River will be limited to 900,000 gallons per day (gpd). Between 14 cfs and and 4 cfs, withdrawals will be limited to 430,000 gpd, regardless of water level in Lake Orange.. Below 4 cfs, withdrawals will be limited to amounts shown above for percent of storage remaining.