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NC Highway 57 Speedway Area Small Area Plan <br />The Environmental Health Division has well records on 31 of these residences. Table 3 lists the <br />wells, the address of the property that the well serves, its Tax Map Block and Lot Number, the <br />year the well was drilled, its depth, casing height, yield in gallons per minute, and the results of <br />any water testing. Only five of the wells have documented water quality tests. <br />Six of the wells were operational before the stone quarry began mining bedrock in the mid to late <br />1980's. The other 25 wells were drilled after the quarry began operations. The average well <br />depth is 235 feet and the average well yield is just over nine gallons per minute. The County has <br />no record of failed wells in the Study Area, although several new wells had to be re- drilled <br />because of the lack of sufficient water yield. <br />According to Health Department records, only six property owners have requested, and received, <br />well quality tests. Three of those have high iron (Fe) levels that could cause the reddish well <br />water referenced by so many residents as a concern during. the initial public information <br />meetings. <br />As of the writing of this Plan, there is insufficient evidence to state that the quarry operation has <br />or has not created problems for local wells. The Task Force members believe that further study <br />is warranted to review the issue and make a final determination once all of the facts are in. <br />17 <br />