State distribution
Hardness across indexed ZIPs
Counts describe published ZIP profiles, not a population-weighted statewide sample.
Soft · 0–60 PPM71
Moderately hard · 61–120 PPM7
Hard · 121–180 PPM3
Very hard · 181+ PPM65
State water index
Mississippi water hardness
Search 109 indexed communities and 146 ZIP profiles, then compare the underlying utility, source, distance, and reporting context.
Median indexed hardness
66PPM
Moderately Hard
Indexed range 11.8–2560 PPM
- ZIP profiles
- 146
- Cities
- 109
- Matched utilities
- 134
- Counties
- 61
Understanding Mississippi
Why local comparisons matter here
Mississippi lies largely within the Gulf Coastal Plain and includes thick groundwater aquifers as well as river and alluvial settings.
In this index, soft is the largest category, covering 71 of 146 profiles with hardness data. The state median is 66 PPM, but the full indexed range is 11.8–2560 PPM.
Evidence coverage
What the current records support
- Hardness estimate
- 100%
- Lead 90th percentile
- 100%
- Copper 90th percentile
- 5%
51
Low-confidence hardness profiles
50
Nearest site more than 25 miles away
Reported source water
Utility source mix
- Groundwater
- 128
- Surface water
- 6
Highest medians
Hardest indexed cities
- 1. Lucedale2560 PPM
- 2. Moss Point2395 PPM
- 3. Pascagoula2395 PPM
- 4. Gautier2390 PPM
- 5. Ocean Springs2390 PPM
Lowest medians
Softest indexed cities
- 1. Columbus12 PPM
- 2. Okolona16 PPM
- 3. West Point17 PPM
- 4. Verona17 PPM
- 5. Tupelo17 PPM
City directory
Explore Mississippi by city
Search by city or county, then sort by name, hardness, or ZIP coverage.
109 cities · 146 ZIP profiles
109 cities found
Page 1 of 5
Amory
Monroe County · 1 ZIP
17PPM
Single indexed valueNo active flag
Batesville
Panola County · 1 ZIP
61PPM
Single indexed valueNo active flag
Belzoni
Humphreys County · 1 ZIP
245PPM
Single indexed valueNo active flag
Biloxi
Harrison County · 4 ZIPs
1885PPM
Range 1870–2040No active flag
Bogue Chitto
Lincoln County · 1 ZIP
228PPM
Single indexed valueNo active flag
Booneville
Prentiss County · 1 ZIP
18PPM
Single indexed valueNo active flag
Brandon
Rankin County · 1 ZIP
216PPM
Single indexed valueNo active flag
Brookhaven
Lincoln County · 1 ZIP
403PPM
Single indexed valueNo active flag
Bruce
Calhoun County · 1 ZIP
43PPM
Single indexed valueNo active flag
Buckatunna
Wayne County · 1 ZIP
66PPM
Single indexed valueNo active flag
Canton
Madison County · 1 ZIP
251PPM
Single indexed valueNo active flag
Clara
Wayne County · 1 ZIP
66PPM
Single indexed valueNo active flag
Cleveland
Bolivar County · 2 ZIPs
234PPM
Range 230–237No active flag
Clinton
Hinds County · 3 ZIPs
263PPM
Range 251–280No active flag
Collins
Covington County · 1 ZIP
38PPM
Single indexed valueNo active flag
Collinsville
Lauderdale County · 1 ZIP
23PPM
Single indexed valueNo active flag
Columbia
Marion County · 1 ZIP
461PPM
Single indexed valueNo active flag
Columbus
Lowndes County · 3 ZIPs
12PPM
Range 11.8–13.2No active flag
Corinth
Alcorn County · 1 ZIP
22PPM
Single indexed valueNo active flag
Crystal Springs
Copiah County · 1 ZIP
283PPM
Single indexed valueNo active flag
D'Iberville
Harrison County · 1 ZIP
2040PPM
Single indexed valueNo active flag
Drew
Sunflower County · 1 ZIP
212PPM
Single indexed valueNo active flag
Durant
Holmes County · 1 ZIP
230PPM
Single indexed valueNo active flag
Ellisville
Jones County · 1 ZIP
38PPM
Single indexed valueNo active flag
County comparison
Highest indexed county medians
| County | Median | Range | ZIP profiles |
|---|---|---|---|
| George County | 2560 PPM | 2560–2560 | 1 |
| Jackson County | 2395 PPM | 2390–2400 | 6 |
| Stone County | 2040 PPM | 2040–2040 | 1 |
| Lamar County | 1885 PPM | 37.8–1885 | 3 |
| Harrison County | 1870 PPM | 1635–2040 | 10 |
| Pearl River County | 1635 PPM | 1635–1635 | 2 |
| Hancock County | 1635 PPM | 1635–1635 | 1 |
| Marion County | 461 PPM | 461–461 | 1 |
| Lincoln County | 315 PPM | 227.9–403 | 2 |
| Jefferson County | 294 PPM | 294–294 | 1 |
| Claiborne County | 294 PPM | 294–294 | 1 |
| Adams County | 294 PPM | 294–294 | 1 |