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Water Quality Results for Homebrewers

From time to time the Water Treatment Plant receives resident questions regarding the mineral content of our drinking water for the purposes of home brewing.  Listed below are common analytes that are important to the homebrewer.  Concentrations are based on actual laboratory results unless otherwise stated.  If you need additional information, please call the Water Treatment Plant at 847.433.4355.

Analyte Units 2015 2016 2017
Bicarbonate (calc. using Alkalinity and pH) ppm 131 124 146
Calcium ppm - - 35
Carbonate (calc. using Alkalinity and pH) ppm 0.5 0.6 0.4
Chloride ppm - 18 20
Copper ppb - 4.5 5
Fluoride ppm 0.98 0.70 0.83
Hardness, as CaCO3 ppm 136 125 140
Iron ppb <10 13 <10
Magnesium ppm - - 12
Nitrate ppm 0.39 0.36 0.45
Nitrite ppm <0.35 - -
pH pH units 7.89 7.91 7.82
Potassium ppm - - 1.5
Sodium ppm 13 13 13
Sulfate ppm 28 24 25
Total Alkalinity, as CaCO3 ppm 108 102 120