Look on the web site again, because what you posted isn't the part of the water report that you need. Here's an example of the info you are looking for (my water report);
Total Dissolved Solids 470
Phenol Alkalinity as CaCO3 <1.0
Total Alkalinity as CaCO3 115
Total Hardness as CaCO3 149
Chlorides as Cl 177
Sulfates as SO4 71
Fluorides as F 0.87
Silica as SiO2 32
Nitrates as NO3 1.96
Nitrites as NO2 <0.05
Phosphates as PO4 <0.05
Calcium as Ca 43
Magnesium as Mg 11.3
Sodium as Na 105
Potassium as K 7.3
Iron as Fe <0.020
Manganese as Mn <0.010
pH 7.7