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PR~NKINg WATER <br /> <br /> Water samples were taken from the following residences to <br />investigate the possible contamination of the drinking water <br />supply of the landfill. <br /> <br />15041 Garnet - Hatch <br /> <br />15001 Garnet -'Van Wagner <br /> <br />15000 Garnet - Usher <br /> <br />14951 Garnet - Hansmann <br /> <br />14931 Garnet - Kuntz <br /> <br />15030 Garnet - Rodecker <br /> <br />15035 Garnet - Morgan <br /> <br />6905--151st Avenue NW - Gallagher <br /> <br /> Samples were drawn from cold water taps that were not con- <br />nected to'.water softners. <br /> <br /> Water samples were analyzed for the following parameters: <br />chemical oxygen demand, biological oxygen demand, nitrite/nitrate- <br />nitrogen, sulfate, iron, pH, specific conductivity, chloride, <br />total organic carbon, and sodium. <br /> <br /> Table 5 summarizes the data. <br /> <br /> When the tested wells are compared to five drinking water <br />wells that supply the City of Anoka, the data are similar. A <br />comparison of the sampled wells to existing or proposed drinking <br />water standards shows that the measured parameters,~with the <br />exception of iron, do not exceed the standards. The secondary <br />drinking water standard for iron is 0.3 mg/l: iron in the sampled <br />wells ranged from 0.14 mg/1 - 1.50 mg/1. The iron content of <br />the wells serving Anoka ranged from 0.81 mg/1 to 1.20 mg/1. <br />Elevated iron is common for wells in the Anoka Sand Plain and the <br />measured levels do not pose a health threat. <br /> <br /> The results of the water'analysesindicate that the well <br />waters are not being impacted by the landfill; however, there is <br />a potential for contamination of wells at some future date. <br />Barr Engineering is currently under contract to Anoka County to <br />evaluate potential groundwater problems because of the proximity of <br />the wells to the landfill. <br /> <br /> <br />