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1/18/2022. <br />A <br />5EH <br />7 <br />A <br />SE14 <br />a <br />Water Quality <br />• Review of Cons umer-Gonfidence Reports (CCRs). <br />- Required by the United States Environmental Protection Agency (EPA) <br />- Annual drinking water quality report thatcommunitywater systems must <br />issue to their customers <br />• White Bear take <br />- Water from all four wells goes through treatment at.a water treatment <br />plant <br />Filtration, water softening, chlorine disinfection, fluoridation, phosphate: for <br />cc rrosion control <br />Water softened to a level of 5 to 7 grains per gallon; which is copsidered <br />moderately hard water <br />— Water meets all State and Federal regulations <br />% lan.9 a £!LOw Wah r!,,I AN of Ch< <br />Water Quality <br />• White Bear Township <br />- Water from all six wells is treated with chemical additions <br />• Chloririe disinfection, fluoridation, polyphosphate. for iron and manganese <br />sequestration (to prevent color and taste issues by preventing the.precipitation.of <br />iron and manganese) <br />One of.six wells it treated with filtration. (iron and manganese removal) <br />- Water is not -softened. and is around 18 grains per.galton, which is <br />considered very hard water <br />- Water meets all State and Federal regulations <br />Manganese levels were detected in their wells -in the range of 0.116- <br />0.200 mgll <br />• Non mandatory Secondary Maximurn Contaminant Level (SMGL) of 0:05 mgll, <br />intended as guideline for aesthetic considerations. such as taste. color, and odor. <br />Manganese can result in black .staining and bitter metallic -tasting water. <br />Non-enforceable.lifeti.rne health advisory Health Advisory Level (HAL) of 0.3 mg4, <br />intended to be protective_ of life -time exposure for the general population <br />4 <br />