State distribution
Hardness across indexed ZIPs
Counts describe published ZIP profiles, not a population-weighted statewide sample.
Soft · 0–60 PPM250
Moderately hard · 61–120 PPM26
Hard · 121–180 PPM169
Very hard · 181+ PPM24
State water index
Georgia water hardness
Search 371 indexed communities and 469 ZIP profiles, then compare the underlying utility, source, distance, and reporting context.
Median indexed hardness
40PPM
Soft
Indexed range 3–207 PPM
- ZIP profiles
- 469
- Cities
- 371
- Matched utilities
- 685
- Counties
- 150
Understanding Georgia
Why local comparisons matter here
Georgia moves from the Blue Ridge and Piedmont through the Fall Line into the Coastal Plain. Those regions contain different rocks, aquifers, rivers, and utility source strategies.
In this index, soft is the largest category, covering 250 of 469 profiles with hardness data. The state median is 40 PPM, but the full indexed range is 3–207 PPM.
Evidence coverage
What the current records support
- Hardness estimate
- 100%
- Lead 90th percentile
- 100%
- Copper 90th percentile
- 14%
87
Low-confidence hardness profiles
87
Nearest site more than 25 miles away
Reported source water
Utility source mix
- Groundwater
- 525
- Surface water
- 158
- Groundwater influenced by surface water
- 2
Highest medians
Hardest indexed cities
- 1. St. Marys207 PPM
- 2. Jekyll Island203 PPM
- 3. Brunswick201 PPM
- 4. Kingsland201 PPM
- 5. Woodbine201 PPM
Lowest medians
Softest indexed cities
- 1. Woodville3 PPM
- 2. White Plains3 PPM
- 3. Tignall3 PPM
- 4. Siloam3 PPM
- 5. Rayle3 PPM
City directory
Explore Georgia by city
Search by city or county, then sort by name, hardness, or ZIP coverage.
371 cities · 469 ZIP profiles
371 cities found
Page 1 of 16
Abbeville
Wilcox County · 1 ZIP
125PPM
Single indexed valueNo active flag
Adairsville
Bartow County · 1 ZIP
30PPM
Single indexed valueNo active flag
Adel
Cook County · 1 ZIP
134PPM
Single indexed valueNo active flag
Adrian
Emanuel County · 1 ZIP
9PPM
Single indexed valueNo active flag
Alamo
Wheeler County · 1 ZIP
120PPM
Single indexed valueNo active flag
Alapaha
Berrien County · 1 ZIP
133PPM
Single indexed valueNo active flag
Albany
Dougherty County · 3 ZIPs
134PPM
Range 134–136No active flag
Alma
Bacon County · 1 ZIP
160PPM
Single indexed valueNo active flag
Alpharetta
Fulton County · 2 ZIPs
30PPM
Range 30.2–30.3No active flag
Alston
Montgomery County · 1 ZIP
124PPM
Single indexed valueNo active flag
Ambrose
Coffee County · 1 ZIP
131PPM
Single indexed valueNo active flag
Americus
Sumter County · 2 ZIPs
128PPM
Range 127–128No active flag
Andersonville
Sumter County · 1 ZIP
127PPM
Single indexed valueNo active flag
Arabi
Crisp County · 1 ZIP
132PPM
Single indexed valueNo active flag
Argyle
Clinch County · 1 ZIP
193PPM
Single indexed valueNo active flag
Arlington
Calhoun County · 1 ZIP
138PPM
Single indexed valueNo active flag
Ashburn
Turner County · 1 ZIP
132PPM
Single indexed valueNo active flag
Atlanta
Fulton County · 23 ZIPs
30PPM
Range 30–30.3No active flag
Attapulgus
Decatur County · 1 ZIP
146PPM
Single indexed valueNo active flag
Auburn
Barrow County · 1 ZIP
28PPM
Single indexed valueNo active flag
Austell
Cobb County · 2 ZIPs
30PPM
Range 30.2–30.3No active flag
Avera
Jefferson County · 1 ZIP
5PPM
Single indexed valueNo active flag
Baconton
Mitchell County · 1 ZIP
134PPM
Single indexed valueNo active flag
Bainbridge
Decatur County · 2 ZIPs
143PPM
Single indexed valueNo active flag
County comparison
Highest indexed county medians
| County | Median | Range | ZIP profiles |
|---|---|---|---|
| Glynn County | 202 PPM | 201–203 | 2 |
| Camden County | 201 PPM | 200–207 | 5 |
| Charlton County | 199 PPM | 199–199 | 1 |
| Brantley County | 198 PPM | 197.5–197.5 | 1 |
| Mcintosh County | 195 PPM | 194–195 | 2 |
| Ware County | 194 PPM | 194–195 | 3 |
| Clinch County | 193 PPM | 192.5–192.5 | 2 |
| Pierce County | 191 PPM | 191–191 | 1 |
| Wayne County | 189 PPM | 186–191 | 4 |
| Rabun County | 175 PPM | 12.5–185.5 | 5 |
| Union County | 174 PPM | 174–174 | 1 |
| Long County | 173 PPM | 172.5–172.5 | 1 |