Here is a compendium of water profiles compiled by FBI (Foam Blowers of Indiana) members from the Greater Indy Area. These are all Ward Labs reports, so multiply the SO4-S reading by 3 to find the true SO4 concentration. As usual, use Bru'n Water to perform all your water adjustments if you want the best evaluation and adjustment of your brewing water. I strongly urge any Indy brewers to consider joining the FBI since its a great club!
West Side Indianapolis H20
pH 7.5
Total Dissolved Solids (TDS) Est 388
Electrical Conductivity, mmho/cm 0.65
Cations / Anions, me/L 6.2 / 6.5
ppm
Sodium, Na 32
Potassium, K 3
Calcium, Ca 66
Magnesium, Mg 17
Total Hardness, CaCO3 236
Nitrate, NO3-N 2.6 (SAFE)
Sulfate, SO4-S 20
Chloride, Cl 57
Carbonate, CO3 < 1
Bicarbonate, HCO3 211
Total Alkalinity, CaCO3 173
East of Indianapolis H2O
pH 7.5
Total Dissolved Solids (TDS) Est 368
Electrical Conductivity, mmho/cm 0.61
Cations / Anions, me/L 5.8 / 6.1
ppm
Sodium, Na 33
Potassium, K 4
Calcium, Ca 58
Magnesium, Mg 17
Total Hardness, CaCO3 216
Nitrate, NO3-N 2.4 (SAFE)
Sulfate, SO4-S 21
Chloride, Cl 55
Carbonate, CO3 < 1
Bicarbonate, HCO3 187
Total Alkalinity, CaCO3 153
West Side of Indianapolis H2O#2
pH 7.4
Total Dissolved Solids (TDS) Est 385
Electrical Conductivity, mmho/cm 0.64
Cations / Anions, me/L 6.3 / 6.6
ppm
Sodium, Na 32
Potassium, K 3
Calcium, Ca 67
Magnesium, Mg 17
Total Hardness, CaCO3 238
Nitrate, NO3-N 2.7 (SAFE)
Sulfate, SO4-S 20
Chloride, Cl 57
Carbonate, CO3 < 1
Bicarbonate, HCO3 211
Total Alkalinity, CaCO3 173
Southeast side of Indianapolis
pH 6.9
Total Dissolved Solids (TDS) Est 398
Electrical Conductivity, mmho/cm 0.66
Cations / Anions, me/L 6.5 / 6.7
ppm
Sodium, Na 34
Potassium, K 3
Calcium, Ca 70
Magnesium, Mg 18
Total Hardness, CaCO3 250
Nitrate, NO3-N 1.6 (SAFE)
Sulfate, SO4-S 20
Chloride, Cl 59
Carbonate, CO3 < 1
Bicarbonate, HCO3 224
Total Alkalinity, CaCO3 183
Near Eastside Indianapolis H2O
pH 7.6
Total Dissolved Solids (TDS) Est 380
Electrical Conductivity, mmho/cm 0.63
Cations / Anions, me/L 6.2 / 6.4
ppm
Sodium, Na 17
Potassium, K 2
Calcium, Ca 73
Magnesium, Mg 20
Total Hardness, CaCO3 266
Nitrate, NO3-N 1.7 (SAFE)
Sulfate, SO4-S 32
Chloride, C 33
Carbonate, CO3 < 1
Bicarbonate, HCO3 205
Total Alkalinity, CaCO3 168
Broadripple, IN H2O
Total Dissolved Solids (TDS) Est 349
Electrical Conductivity, mmho/cm 0.58
Cations / Anions, me/L 5.6 / 5.7
ppm
Sodium, Na 25
Potassium, K 3
Calcium, Ca 59
Magnesium, Mg 18
Total Hardness, CaCO3 223
Nitrate, NO3-N 0.9 (SAFE)
Sulfate, SO4-S 16
Chloride, Cl 50
Carbonate, CO3 < 1
Bicarbonate, HCO3 197
Total Alkalinity, CaCO3 161
Meridian-Kessler Indianapolis H2O
pH 7.3
Total Dissolved Solids (TDS) Est378.0
Electrical Conductivity, mmho/cm... 0.63
Cations/Anions, me/L 6.6 / 6.7
ppm
Sodium, Na....................................... 22
Potassium, K..................................... 3
Calcium, Ca...................................... 74
Magnesium, Mg.................................... 23
Total Hardness, CaCO3............................ 281
Nitrate, NO3-N................................... 1.0
Sulfate, SO4-S................................... 21
Chloride, Cl..................................... 39
Carbonate, CO3................................... < 1
Bicarbonate, HCO3................................ 258
Total Alkalinity, CaCO3.......................... 212