How hard is the water in Indianapolis?
Hardness reported by Citizens Energy Group: Average 317 ppm (19 grains per gallon), range 148-460 ppm (Calendar year 2025).
Is Indianapolis water hard or soft?
Hard to very hard. The low end, 148 mg/L, is 32 mg/L under the 180 mg/L top of the USGS hard class; Indianapolis's high end, 460 mg/L, is 280 mg/L over the 180 mg/L line where the USGS very hard class starts.
How many grains per gallon is Indianapolis water?
In grains per gallon, as published: 19 grains per gallon (Citizens Energy Group, hardness, Calendar year 2025).
Where does Indianapolis tap water come from?
Most Indianapolis water is surface water from the West Fork of the White River, Fall Creek and Eagle Creek Reservoir, with Morse and Geist reservoirs, plus groundwater from wells. Source: Citizens Energy Group 2025 Water Quality Report.
Does water differ across Indianapolis?
Citizens says hardness varies with the source water feeding each treatment plant, so it can differ by where you live. Source: Citizens Energy Group 2025 Water Quality Report.
Is Indianapolis water treated with chlorine or chloramine?
Citizens Energy Group adds chlorine and a small amount of ammonia, and lists chloramine as the additive that controls microbes. Source: Citizens Energy Group 2025 Water Quality Report. That matters when choosing a filter for a Indianapolis home: catalytic carbon is the activated-carbon type designed to adsorb chloramine (NDSU Extension, Filtration: Sediment, Activated Carbon, and Mixed Media). A softener leaves Citizens Energy Group's disinfectant in the water.
Do I need a water softener in Indianapolis?
Citizens Energy Group publishes 148 to 460 mg/L for Indianapolis, which reads as hard to very hard. A test at your house shows whether your tap matches it.
Which water treatment system fits a Indianapolis home?
Indianapolis's published 148 to 460 mg/L reads as hard to very hard, which is what a softener treats. Because Citizens Energy Group uses chloramine, a whole-home filter for Indianapolis taste and odor should use catalytic carbon (NDSU Extension, Filtration: Sediment, Activated Carbon, and Mixed Media). The installing company tests the water at your Indianapolis address before quoting.
How much does a water softener cost in Indianapolis?
We publish no prices for Indianapolis. The installing company gives a written quote after an assessment at your home.
Who installs the system?
We have not named a local installing company for Indianapolis yet. We will tell you the company's name and ask you before your request is shared with anyone.
Is Indianapolis Water Systems part of the Indianapolis city government or water utility?
No. Indianapolis Water Systems is not affiliated with Citizens Energy Group; it copies and links the published figures.
Is booking an assessment a purchase?
No, and a request commits you to nothing.