State distribution
Hardness across indexed ZIPs
Counts describe published ZIP profiles, not a population-weighted statewide sample.
Soft · 0–60 PPM0
Moderately hard · 61–120 PPM60
Hard · 121–180 PPM57
Very hard · 181+ PPM423
State water index
Kansas water hardness
Search 485 indexed communities and 541 ZIP profiles, then compare the underlying utility, source, distance, and reporting context.
Median indexed hardness
289PPM
Very Hard
Indexed range 72.2–707 PPM
- ZIP profiles
- 541
- Cities
- 485
- Matched utilities
- 733
- Counties
- 101
Understanding Kansas
Why local comparisons matter here
Kansas stretches from eastern river and reservoir systems to central and western groundwater, including parts of the High Plains aquifer system.
In this index, very hard is the largest category, covering 423 of 540 profiles with hardness data. The state median is 289 PPM, but the full indexed range is 72.2–707 PPM.
Evidence coverage
What the current records support
- Hardness estimate
- 100%
- Lead 90th percentile
- 100%
- Copper 90th percentile
- 31%
232
Low-confidence hardness profiles
230
Nearest site more than 25 miles away
Reported source water
Utility source mix
- Groundwater
- 416
- Surface water
- 308
- Groundwater influenced by surface water
- 9
Highest medians
Hardest indexed cities
- 1. Belpre707 PPM
- 2. Haviland707 PPM
- 3. Ransom707 PPM
- 4. Rush Center707 PPM
- 5. Gorham691 PPM
Lowest medians
Softest indexed cities
- 1. Yates Center72 PPM
- 2. Virgil81 PPM
- 3. Toronto81 PPM
- 4. Sedan81 PPM
- 5. Peru81 PPM
City directory
Explore Kansas by city
Search by city or county, then sort by name, hardness, or ZIP coverage.
485 cities · 541 ZIP profiles
485 cities found
Page 1 of 21
Abbyville
Reno County · 1 ZIP
291PPM
Single indexed valueNo active flag
Abilene
Dickinson County · 1 ZIP
204PPM
Single indexed valueNo active flag
Ada
Ottawa County · 1 ZIP
309PPM
Single indexed valueNo active flag
Admire
Lyon County · 1 ZIP
243PPM
Single indexed valueNo active flag
Agenda
Republic County · 1 ZIP
316PPM
Single indexed valueNo active flag
Agra
Phillips County · 1 ZIP
304PPM
Single indexed valueNo active flag
Albert
Rush County · 1 ZIP
511PPM
Single indexed valueNo active flag
Alexander
Rush County · 1 ZIP
556PPM
Single indexed valueNo active flag
Allen
Lyon County · 1 ZIP
243PPM
Single indexed valueNo active flag
Alma
Wabaunsee County · 1 ZIP
243PPM
Single indexed valueNo active flag
Almena
Norton County · 1 ZIP
304PPM
Single indexed valueNo active flag
Alta Vista
Wabaunsee County · 1 ZIP
359PPM
Single indexed value1 active record
Altamont
Labette County · 1 ZIP
158PPM
Single indexed valueNo active flag
Alton
Osborne County · 1 ZIP
327PPM
Single indexed valueNo active flag
Altoona
Wilson County · 1 ZIP
171PPM
Single indexed valueNo active flag
Andale
Sedgwick County · 1 ZIP
296PPM
Single indexed valueNo active flag
Anthony
Harper County · 1 ZIP
291PPM
Single indexed valueNo active flag
Arcadia
Crawford County · 1 ZIP
161PPM
Single indexed valueNo active flag
Argonia
Sumner County · 1 ZIP
291PPM
Single indexed valueNo active flag
Arlington
Reno County · 1 ZIP
291PPM
Single indexed valueNo active flag
Arma
Crawford County · 1 ZIP
163PPM
Single indexed valueNo active flag
Ashland
Clark County · 1 ZIP
217PPM
Single indexed valueNo active flag
Assaria
Saline County · 1 ZIP
303PPM
Single indexed valueNo active flag
Atchison
Atchison County · 1 ZIP
245PPM
Single indexed valueNo active flag
County comparison
Highest indexed county medians
| County | Median | Range | ZIP profiles |
|---|---|---|---|
| Ellis County | 691 PPM | 674–690.5 | 5 |
| Graham County | 691 PPM | 690.5–690.5 | 1 |
| Russell County | 674 PPM | 255–674 | 6 |
| Trego County | 674 PPM | 674–674 | 2 |
| Rooks County | 674 PPM | 406.5–674 | 5 |
| Decatur County | 674 PPM | 466.5–674 | 3 |
| Sheridan County | 609 PPM | 526.5–690.5 | 2 |
| Gove County | 607 PPM | 319–674 | 4 |
| Rush County | 591 PPM | 475–707 | 7 |
| Ness County | 556 PPM | 405–707 | 4 |
| Edwards County | 556 PPM | 511–707 | 4 |
| Lincoln County | 484 PPM | 315–612 | 3 |