Minneapolis (Linden Hills area), MN (as of 8/24/09):
pH 7.5
Sodium, Na 13
Potassium, K 2
Calcium, Ca 18
Magnesium, Mg 4
Total Hardness, CaCO3 62
Nitrate, NO3-N 1.0 (SAFE)
Sulfate, SO4-S 9
Chloride, Cl 28
Carbonate, CO3 < 1
Bicarbonate, HCO3 27
Total Alkalinity, CaCO3 22
Minneapolis (Northeast), MN (as of 8/12/08):
pH 8.9
Sodium, Na 11
Potassium, K 2
Calcium, Ca 20
Magnesium, Mg 3
Total Hardness, CaCO3 63
Nitrate, NO3-N 0.3 (SAFE)
Sulfate, SO4-S 10
Chloride, Cl 25
Carbonate, CO3 4
Bicarbonate, HCO3 19
Total Alkalinity, CaCO3 21
St. Louis Park, MN (as of 8/12/08):
pH 7.5
Sodium, Na 10
Potassium, K 2
Calcium, Ca 90
Magnesium, Mg 29
Total Hardness, CaCO3 346
Nitrate, NO3-N 0.2 (SAFE)
Sulfate, SO4-S 7
Chloride, Cl 20
Carbonate, CO3 < 1
Bicarbonate, HCO3 371
Total Alkalinity, CaCO3 304