For what its worth Jim, below is my water report from Ward Labs. Doubtless it will be different from yours but closer than say, the Puget Sound area.
I wish I had a well. I use 100% RO water because they draw from different sources at different times, making water chemistry a moving target behind a curtain.
Total Dissolved Solids (TDS) Est, ppm 179
Electrical Conductivity, mmho/cm 0.30
Cations / Anions, me/L 2.9 / 3.2
ppm
Sodium, Na 40
Potassium, K 5
Calcium, Ca 12
Magnesium, Mg 5
Total Hardness, CaCO3 51
Nitrate, NO3-N 0.2 (SAFE)
Sulfate, SO4-S 3
Chloride, Cl 6
Carbonate, CO3 9
Bicarbonate, HCO3 154
Total Alkalinity, CaCO3 141
Fluoride, F 0.53
Total Iron, Fe < 0.01
“<” - Not Detected / Below Detection Limit