Water hardness in Indiana
Typical Indiana tap water
178mg/L
10.4gpg
Hard
Population-weighted middle value across 93 Indiana cities in the dataset
- People with hard or very hard water
- 83%
- Hardest
- Anderson 354
- Softest
- Bloomington 42
We have hardness numbers for 53 Indiana cities; 17 of them are county estimates rather than utility figures. Each city page adds the water system's EPA violation record and a softener size for a typical household.
Dot size follows population. Tap a dot for the city page.
2Soft
7Moderately hard
19Hard
25Very hard
Hardest water in Indiana
- Anderson354
- Franklin322
- Marion321
- Goshen314
- Elkhart312
- West Lafayette305
- Greenfield292
- Kokomo283
Softest water in Indiana
All cities in Indiana
| City | mg/L | gpg | Class | Data | EPA health violations |
|---|---|---|---|---|---|
| Indianapolis | 178 | 10.4 | Hard | Utility report | 0 |
| Fort Wayne | 95 | 5.6 | Moderately hard | Utility report | 1 |
| Evansville | 134 | 7.8 | Hard | Utility report | 0 |
| Carmel | 173 | 10.1 | Hard | Utility report | 2 |
| Fishers | 178 | 10.4 | Hard | Utility report | 0 |
| South Bend | 220 | 12.9 | Very hard | Utility report | 0 |
| Bloomington | 42 | 2.5 | Soft | Utility report | 3 |
| Noblesville | 178 | 10.4 | Hard | Utility report | 0 |
| Hammond | 210 | 12.3 | Very hard | County estimate | 1 |
| Lafayette | 112 | 6.5 | Moderately hard | Utility report | 0 |
| Greenwood | 178 | 10.4 | Hard | Utility report | 0 |
| Gary | 210 | 12.3 | Very hard | County estimate | 0 |
| Westfield | 246 | 14.4 | Very hard | Utility report | 0 |
| Kokomo | 283 | 16.6 | Very hard | County estimate | 0 |
| Terre Haute | 221 | 12.9 | Very hard | Utility report | 0 |
| Anderson | 354 | 20.7 | Very hard | County estimate | 2 |
| Jeffersonville | 109 | 6.4 | Moderately hard | Utility report | 0 |
| Elkhart | 312 | 18.2 | Very hard | County estimate | 0 |
| Columbus | 107 | 6.3 | Moderately hard | Utility report | 0 |
| Lawrence | 178 | 10.4 | Hard | Utility report | 5 |
| West Lafayette | 305 | 17.8 | Very hard | County estimate | 0 |
| Plainfield | 178 | 10.4 | Hard | Utility report | 1 |
| Merrillville | 210 | 12.3 | Very hard | County estimate | 0 |
| Crown Point | 210 | 12.3 | Very hard | County estimate | 0 |
| Valparaiso | 209 | 12.2 | Very hard | Utility report | 0 |
| Goshen | 314 | 18.4 | Very hard | Utility report | 0 |
| Brownsburg | 181 | 10.6 | Very hard | Utility report | 0 |
| Zionsville | 178 | 10.4 | Hard | Utility report | 1 |
| Schererville | 210 | 12.3 | Very hard | County estimate | 0 |
| Hobart | 210 | 12.3 | Very hard | County estimate | – |
| Marion | 321 | 18.8 | Very hard | County estimate | 0 |
| Franklin | 322 | 18.8 | Very hard | County estimate | – |
| Greenfield | 292 | 17.1 | Very hard | County estimate | 0 |
| East Chicago | 135 | 7.9 | Hard | Utility report | 0 |
| Avon | 178 | 10.4 | Hard | Utility report | 0 |
| St. John | 210 | 12.3 | Very hard | County estimate | 0 |
| Munster | 210 | 12.3 | Very hard | County estimate | 0 |
| Highland | 134 | 7.8 | Hard | Utility report | 0 |
| Seymour | 208 | 12.2 | Very hard | County estimate | 0 |
| Clarksville | 106 | 6.2 | Moderately hard | County estimate | – |
| Lebanon | 272 | 15.9 | Very hard | Utility report | 1 |
| New Haven | 95 | 5.6 | Moderately hard | Utility report | 0 |
| Dyer | 158 | 9.2 | Hard | Utility report | 0 |
| Whitestown | 178 | 10.4 | Hard | Utility report | 0 |
| Beech Grove | 178 | 10.4 | Hard | Utility report | 0 |
| Speedway | 178 | 10.4 | Hard | Utility report | 0 |
| Auburn | 192 | 11.2 | Very hard | Utility report | 0 |
| Danville | 178 | 10.4 | Hard | Utility report | 0 |
| McCordsville | 178 | 10.4 | Hard | Utility report | 0 |
| Huntertown | 45 | 2.6 | Soft | Utility report | 0 |
| Mooresville | 178 | 10.4 | Hard | Utility report | 0 |
| Notre Dame | 220 | 12.9 | Very hard | Utility report | 1 |
| Hidden Valley | 104 | 6.1 | Moderately hard | Utility report | 0 |
Questions
Is Indiana water hard?
The typical Indiana resident gets about 178 mg/L (10.4 gpg), which is hard. About 83% of people in the cities we track have hard or very hard water.
Which city in Indiana has the hardest water?
Among 53 cities with pages here, Anderson is highest at 354 mg/L.
Which city in Indiana has the softest water?
Bloomington, at 42 mg/L.
Other states
- Alabama73
- Alaska110
- Arizona180
- Arkansas39
- California121
- Colorado97
- Connecticut53
- Delaware87
- District of Columbia117
- Florida120
- Georgia28
- Hawaii55
- Idaho118
- Illinois139
- Iowa183
- Kansas138
- Kentucky134
- Louisiana102
- Maine16
- Maryland105
- Massachusetts38
- Michigan112
- Minnesota160
- Mississippi38
- Missouri121
- Montana116
- Nebraska149
- Nevada232
- New Hampshire20
- New Jersey80
- New Mexico137
- New York31
- North Carolina31
- North Dakota133
- Ohio113
- Oklahoma152
- Oregon24
- Pennsylvania127
- Rhode Island42
- South Carolina32
- South Dakota124
- Tennessee89
- Texas112
- Utah231
- Vermont62
- Virginia65
- Washington36
- West Virginia106
- Wisconsin170
- Wyoming191
Hardness data: TapWaterData US Water Hardness, CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.