Glastonbury Water Hardness & Quality Report (2026)
Water Hardness
1.2 grains per gallon
Source
reservoir
pH Level
7.1
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
31.3 mg/L
Est. Daily Cost
$0.05
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Glastonbury, your appliances are currently losing 3% efficiency due to mineral buildup.
| Appliance | In Glastonbury | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.9 yrs | 8.5 yrs | — |
| Washing Machine | 12.9 yrs | 12 yrs | — |
| Water Heater | 14.8 yrs | 15 yrs | -1% |
Regional Water Comparison
How Glastonbury compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Glastonbury, Connecticut | 20 mg/L | 5 ppt | 🟢 Soft | reservoir |
| Wethersfield, Connecticut | 30 mg/L | 5.9 ppt | 🟢 Soft | reservoir |
| East Hartford, Connecticut | 54 mg/L | 7.9 ppt | 🟢 Soft | reservoir |
| Hartford, Connecticut | 47.5 mg/L | 7.4 ppt | 🟢 Soft | reservoir |
| Manchester, Connecticut | 40.5 mg/L | 6.8 ppt | 🟢 Soft | reservoir |
National Benchmark
How Glastonbury compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Glastonbury | 20 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Glastonbury's Water Unique?
Local geology and source profile
Glastonbury, Connecticut, in Hartford County — a major east Hartford County suburban community (Glastonbury is one of the most affluent and distinctive east Hartford County towns — an upscale residential community across the Connecticut River from Hartford, known for its apple orchards and farm market stands (Glastonbury is one of the most important Connecticut apple-growing communities, with multiple farm stands along Hebron Avenue), excellent public schools, and a significant professional population working in Hartford's insurance and healthcare industries), a diverse Hartford County community with a primarily affluent professional population, adjacent to East Hartford across the Connecticut River, home of one of Connecticut's most productive apple-growing regions, and a community with strong civic and cultural amenities — draws its municipal water supply from the Hockanum River watershed via the Glastonbury Water Division. Water hardness in Glastonbury measures 20 mg/L — classified as very soft.
Glastonbury's very soft supply reflects the east Hartford County Hartford Basin's calcareous-poor geology. The Hockanum River watershed drains the Triassic Hartford Basin Arkose (calcareous-poor red sandstone) and Precambrian Connecticut gneiss and schist (calcareous-poor crystalline). Glastonbury Water Division produces the very soft 20 mg/L.
With hardness at 20 mg/L, Glastonbury residents enjoy very soft water. Glastonbury Water Division consistently delivers water meeting all Connecticut DEEP and EPA Safe Drinking Water Act requirements.
Geology & Source: Reservoir supply from the Hockanum River watershed via the Glastonbury Water Division — the Hartford County east Connecticut Hartford corridor (Triassic calcareous-poor Hartford Basin arkose sandstone and Precambrian calcareous-poor Connecticut gneiss — the extremely calcareous-poor east Connecticut Hartford Basin crystalline watershed; excellent treatment); very soft supply at 20 mg/L in Hartford County.