ADDITIONAL PARAMETERS OF INTEREST
PARAMETER (UNITS)
SIOUX FALLS AVERAGE
LEWIS & CLARK AVERAGE
Alkalinity (PPM)
56
81
Chlorate (PPB)
<10
147
Chloride (PPM)
40
15
Hardness: Calcium Hardness (as CaCO3) (PPM)
149
94
Magnesium Hardness (as CaCo3) (PPM)
120
80
Total Hardness (as CaCO3) (PPM)
269
174
Water Softener Setting, total hardness (GPG)
16
10
Iron (PPM)
0.04
Manganese (PPM)
<0.05
Perfluoroalkyl Substances (PFAS) (PPT)
<2
pH (units)
8.4
8.7
Sodium (PPM)
38
Sulfate (PPM)
250
237
2023 Water Quality Report
Lewis and Clark Water Service Area
EPA Primary Water Regulations
FDA Bottled Water Regulations
EPA Safe Drinking Water Information
If you have any questions about your water please contact us for answers at 605-373-6950