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Revised July 1990 <br />Table 1 <br />r,laxJ-- m-i, -r, Allowable Surface Wat-er Withdrawals <br />Based on Lake Orange Level <br />Drawdown Allowable Surface Water Withdrawal <br />Percent of in feet -- - - - - -- gallons per day---------- - <br />Storage from top <br />Remaining at of 1 -ft. Town of Orange- Piedmont Instream Flow <br />Lake Orange f lashboard Hillsborough Alamance Minerals Requirement <br />> 100 spilling * * ** 111001000 <br />100 - 80 0.0 1,510,000 <br />820,000 <br />430,000 <br />1,100,000 <br />80 - 60 200 11360,000 <br />740,000 <br />380,000 <br />650,000 <br />60 - 50 4.3 11280,000 <br />700,000 <br />360,000 <br />450,000 <br />50 - 40 5.8 1,280,000 700,000 320,000 450,000 <br />40 - 30 7.4 11130,000 620,000 190,000 0 <br /><= 30 9.3 680,000 370,000 0 0 <br />Notes: <br />* - Adjusted to reflect outside source agreement for Hillsborough and Orange- Alamance. <br />- Excess withdrawals from Eno River based on outside source agreement may be made when <br />flows at the Eno River at Hillsborough Gage are 16 cubic feet per second (cfs) and <br />above, regardless of the water level in Lake Orange. Maximum withdrawals shall be <br />limited to the total of the contract amount and the allocated amount. . <br />- A low flow period will begin on the 7th consecutive day of the average daily flow at <br />the Hillsborough Gage dropping below 10 cfs. On the 4th day, the Orange County <br />Engineer will request that affected parties prepare for a low flow period. <br />- When flows are between 10 cfs and 3 cfs at the Hillsborough Gage during a low flow <br />period, withdrawals from the Eno River shall be limited to the 100 -80 percent of <br />storage remaining amount shown above, regardless of water level in Lake Orange. <br />- When flows are below 3 cfs at the Hillsborough Gage during a low flow period, <br />withdrawals shall be limited to amounts shown above for percent of storage remaining <br />at Lake Oi ange . <br />- A low flow period will be terminated when average daily flow at the Hillsborough Gage <br />registers 10 cfs or greater for a period of -7 consecutive days. The Orange County <br />Engineer will notify affected parties when the low flow period is terminated. <br />** - For Piedmont Minerals Inc.: When flows at the Hillsborough gage are 14 cfs and above, <br />withdrawals from the Eno River will be limited to 900,000 gallons per day (gpd).. <br />Between 14 cfs and 4 cfs, withdrawals will be limited to 430,000 gpd, regardless of <br />water level in .Lake Orange. Below 4 cfs, withdrawals will be limited to amounts- <br />shown above for percent of storage remaining. <br />