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Z d <br />1 <br />COUNTY OF CHATHAM <br />mt"I GUNLAP. A., CaHnrrMMr1 <br />IM*FIV NAVIS M"WSS <br />I�AAL Q TM OMPOON <br />Go$ MURC*80M <br />2, T, 14APM0 <br />• <br />P. o• Box 67 <br />AITT9e0A0, N. C. V312 <br />oRGANIZED 1770 Tar SOUARK MIL AS <br />March 10, 1992 <br />Mrs. L419 T. Herring, Chair <br />OVA oogd of DLrectors <br />P.Q. 4&w 366 <br />Corrrrc, [forth Carolina 27510 <br />M78296616 <br />%- II, <br />PEN smiv^^ <br />county man"w <br />RQSERT L. GUNN <br />eow-v Ano-gy <br />Phone (919)'542.6200 <br />Dear Lois: <br />In response to your request I am providing additional information <br />concerning our request for a supplemental water supply from <br />ONA". <br />Effective this summer, Chatham County will have a total daily <br />supply availability of 865,000 gallons, 5Q0,000ev fro m wells in <br />water plant and the remaining 365,000 gpd s en <br />the North Chatham area. our current average day demand is <br />294,975 gallons, While the peak day event is 4800410 gallons. <br />In addition to the supply and demand conditions, Chatham County <br />expects to have a 1.1 million gallon storage tank operational by <br />the fall of 1992. The overflow elevation on this tank will be <br />+ -740.0 once co:apletely filled. The size of this tank provides <br />over three days storage, based upon normal demand. The North <br />ChatWo system has a factor of safety of 1.8 between the peak day <br />event and supply availability. However, based upon an additional <br />goo+ vacant lots in the North Chatham system already permitted <br />for public water supply, the State Water Supply section has taken <br />a more restrictive posture. Based upon their interpretation of <br />the 400 gpd /250 gpd Per dwelling and vacant lot rule, Chatham <br />County currently needs over 900,000 gpd supply availability. <br />If a mid term supply agreement can be achieved, it is Chatham <br />County's desire to.have a water plant near Lake Jordan <br />