Meaning of "community water system" vs. well water?

[Sayantsi]

People with $100 water bills are typically those with large families and who water their lawns 5 times a week. You need to remember to ask how people are using their water when they state that it costs a lot.

Aqua water is hard, but tastes fine and runs clear. It is treated and managed.

[NewUser]

I have community well water supplied by Aqua. Here are the results of an analsyis that I had done 2 years ago.

pH = 7.6
Total Dissolved Solids (TDS) Est = 151
Electrical Conductivity, mmho/cm = 0.25
Cations / Anions, me/L = 2.6 / 2.1

Sodium, Na = 20 ppm
Potassium, K = 2 ppm
Calcium, Ca = 28 ppm
Magnesium, Mg = 3 ppm
Total Hardness, CaCO3 = 83 ppm
Nitrate, NO3-N = 0.8 ppm (SAFE)
Sulfate, SO4-S = 3 ppm
Chloride, Cl = 6 ppm
Carbonate, CO3 = < 1 ppm
Bicarbonate, HCO3 = 101 ppm
Total Alkalinity, CaCO3 = 83 ppm

A total hardness of 83 ppm is not really that hard at all.

[BigMike30]

Wow, you guys are amazing! Thanks for all the responses - that's way more information than I anticipated, so that helps a lot! I think I have what I need to understand the difference now while we're house shopping. Thanks again!