State distribution
Hardness across indexed ZIPs
Counts describe published ZIP profiles, not a population-weighted statewide sample.
Soft · 0–60 PPM15
Moderately hard · 61–120 PPM25
Hard · 121–180 PPM14
Very hard · 181+ PPM26
State water index
Vermont water hardness
Search 87 indexed communities and 93 ZIP profiles, then compare the underlying utility, source, distance, and reporting context.
Median regional evidence
114PPM
Moderately Hard
Indexed range 13.3–292 PPM
- ZIP profiles
- 93
- Cities
- 87
- Matched utilities
- 199
- Counties
- 14
Understanding Vermont
Why local comparisons matter here
Vermont's mountain watersheds, river valleys, glacial deposits, and fractured bedrock support a mix of small surface-water and groundwater systems.
In this index, very hard is the largest category, covering 26 of 80 profiles with hardness data. The state median is 114 PPM, but the full indexed range is 13.3–292 PPM.
Evidence coverage
What the current records support
- Hardness estimate
- 86%
- Lead 90th percentile
- 100%
- Copper 90th percentile
- 30%
69
Low-confidence hardness profiles
2
Research-comparison eligible profiles
Reported source water
Utility source mix
- Groundwater
- 147
- Surface water
- 50
- Groundwater influenced by surface water
- 2
Highest medians
Highest eligible city medians
Lowest medians
Lowest eligible city medians
City directory
Explore Vermont by city
Search by city or county, then sort by name, hardness, or ZIP coverage.
87 cities · 93 ZIP profiles
87 cities found
Page 1 of 4
Albany
Orleans County · 1 ZIP
155PPM regional
Single regional valueNo active flag
Alburgh
Grand Isle County · 1 ZIP
—
No regional sample1 active record
Arlington
Bennington County · 2 ZIPs
239PPM regional
Regional range 234–244.5No active flag
Bakersfield
Franklin County · 2 ZIPs
212PPM regional
Single regional valueNo active flag
Barnet
Caledonia County · 1 ZIP
83PPM regional
Single regional valueNo active flag
Barre
Washington County · 1 ZIP
—
No regional sample1 active record
Barton
Orleans County · 1 ZIP
135PPM regional
Single regional valueNo active flag
Bellows Falls
Windham County · 1 ZIP
20PPM regional
Single regional valueNo active flag
Bennington
Bennington County · 1 ZIP
13PPM regional
Single regional valueNo active flag
Benson
Rutland County · 1 ZIP
164PPM regional
Single regional valueNo active flag
Bethel
Windsor County · 1 ZIP
160PPM regional
Single regional valueNo active flag
Bradford
Orange County · 1 ZIP
129PPM regional
Single regional valueNo active flag
Brandon
Rutland County · 1 ZIP
197PPM regional
Single regional valueNo active flag
Brattleboro
Windham County · 1 ZIP
19PPM regional
Single regional valueNo active flag
Burlington
Chittenden County · 2 ZIPs
36PPM regional
Regional range 35.4–35.8No active flag
Cabot
Washington County · 1 ZIP
98PPM regional
Single regional valueNo active flag
Cambridge
Lamoille County · 1 ZIP
—
No regional sampleNo active flag
Canaan
Essex County · 1 ZIP
46PPM regional
Single regional valueNo active flag
Cavendish
Windsor County · 1 ZIP
67PPM regional
Single regional valueNo active flag
Chelsea
Orange County · 1 ZIP
129PPM regional
Single regional valueNo active flag
Chester
Windsor County · 1 ZIP
67PPM regional
Single regional valueNo active flag
Concord
Essex County · 1 ZIP
65PPM regional
Single regional valueNo active flag
Coventry
Orleans County · 1 ZIP
98PPM regional
Single regional valueNo active flag
Danby
Rutland County · 1 ZIP
221PPM regional
Single regional valueNo active flag
County comparison
Highest regional-evidence county medians
| County | Median | Range | ZIP profiles |
|---|---|---|---|
| Bennington County | 228 PPM | 13.3–244.5 | 6 |
| Franklin County | 212 PPM | 212–212 | 6 |
| Lamoille County | 212 PPM | 212–212 | 4 |
| Rutland County | 197 PPM | 154–260.5 | 9 |
| Washington County | 164 PPM | 98.1–191 | 10 |
| Orleans County | 135 PPM | 98.1–212 | 8 |
| Orange County | 133 PPM | 129–191 | 6 |
| Windsor County | 98 PPM | 66.6–191 | 10 |
| Addison County | 90 PPM | 16.4–163.5 | 2 |
| Caledonia County | 90 PPM | 64.6–98.1 | 7 |
| Windham County | 67 PPM | 19.3–67.1 | 7 |
| Essex County | 65 PPM | 45.6–64.6 | 3 |