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MEMORANDUM <br />TO: John M. Link, County Manager <br />County Commissioners <br />FROM: Paul K. Thames, County Enginee <br />DATE: May 24, 1991 <br />SUBJECT: Progress report for the Eno River Capacity Use <br />Agreement <br />As per the request of the County Manager, this report has <br />been prepared to update the BOCC on the status of the <br />operation of the Eno River Capacity Use Agreement. A portion <br />of the report involves the installation of equipment and <br />construction of flow measuring weirs required to control the <br />flow in the river during periods of low normal flow. The <br />remainder of the report deals with the cooperative efforts of <br />Eno River water users in the actual operation of the <br />Agreement during the past two years. <br />The details involving maximum Eno withdrawal and minimum <br />instream flow requirements of the Eno River Capacity Use <br />Agreement were finalized in the spring of 1989 and the <br />document was formally ratified by Orange County, Piedmont <br />Minerals, Hillsborough and the Orange - Alamance Water System <br />shortly thereafter. It was determined, by consensus of the <br />parties involved in the Agreement, that installation of flow <br />monitoring and control devices in the Eno would be necessary <br />to meet the Agreement's minimum flow requirements while <br />simultaneously retaining the maximum quantity of water within <br />the three Eno River reservoirs. A budget for construction <br />costs and equipment purchase was drawn up and a cost share <br />agreement was worked out among the parties. The County <br />provided the initial funding for the project, with each of <br />the other parties agreeing to reimburse the County over a <br />three year period for its pro rata share of the total project <br />costs. <br />One major component of equipment necessary to comply with the <br />requirements and provisions of the Capacity Use Agreement is <br />a computer and computer software. The computer and software <br />are needed to automatically call the USGS Eno River stream <br />flow monitoring gauge located on the eastern side of <br />Hillsborough. The computer system is designed to call the <br />gauge every two to four hours, record the stream flow data <br />from the gage and put the data into a form which can be used <br />to determine both instantaneous and twenty -four hour <br />C <br />