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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 2017 2018 2019
Bicarbonate (calc. using Alkalinity and pH) ppm 146 133 133
Calcium ppm 35 32 35
Carbonate (calc. using Alkalinity and pH) ppm 0.4 0.4 0.5
Chloride ppm 20 16 17
Copper ppb 5 - 10
Fluoride ppm 0.83 0.76 0.71
Hardness, as CaCO3 ppm 140 130 140
Iron ppb <10 <10 <10
Magnesium ppm 12 11 12
Nitrate ppm 0.45 <0.35 0.33
Nitrite ppm - <0.35 -
pH pH units 7.82 7.86 7.9
Potassium ppm 1.5 - 1.6
Sodium ppm 13 11 12
Sulfate ppm 25 23 23
Total Alkalinity, as CaCO3 ppm 120 110 110