Head of Westport Water Hardness & Quality Report (2026)
Water Hardness
3.7 grains per gallon
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
129.3 mg/L
Est. Daily Cost
$0.17
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 Head of Westport, your appliances are currently losing 9% efficiency due to mineral buildup.
| Appliance | In Head of Westport | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.5 yrs | 8.5 yrs | -12% |
| Washing Machine | 11.2 yrs | 12 yrs | -7% |
| Water Heater | 13 yrs | 15 yrs | -13% |
Regional Water Comparison
How Head of Westport compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Head of Westport, Massachusetts | 64 mg/L | 7.6 ppt | 🟡 Moderately Hard | reservoir |
| Fall River, Massachusetts | 45.5 mg/L | 6.3 ppt | 🟢 Soft | reservoir |
| New Bedford, Massachusetts | 96 mg/L | 9.8 ppt | 🟡 Moderately Hard | reservoir |
| Fairhaven, Massachusetts | 42.5 mg/L | 6.1 ppt | 🟢 Soft | reservoir |
| Somerset, Massachusetts | 29 mg/L | 5.1 ppt | 🟢 Soft | reservoir |
National Benchmark
How Head of Westport compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Head of Westport | 64 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Head of Westport's Water Unique?
Local geology and source profile
Head of Westport, Massachusetts, in Bristol County — an unincorporated Bristol County community adjacent to Westport and Dartmouth on the Westport River in southeast Massachusetts — receives its water from local utilities, drawing from Westport River watershed reservoirs (Bristol County) through the southeast Massachusetts distribution.
The moderately soft 64 mg/L hardness and TDS of 129.3 mg/L reflect the southeast Massachusetts Westport River watershed's predominantly insoluble New England crystalline character — consistent with other south Bristol County communities (Dartmouth: ~62 mg/L; New Bedford: ~65 mg/L). The Westport River watershed at Bristol County drains the New England Upland — Precambrian Dedham Granodiorite (insoluble), Precambrian Avalon Terrane (granite and gneiss — insoluble), and minor Cretaceous coastal plain sandy input (slightly calcareous). The predominantly insoluble New England granite produces the moderately soft southeast Massachusetts supply.
At 64 mg/L, Head of Westport's water is moderately soft — light scale forms slowly in appliances, dishwashers remain efficient, and bathroom fixtures need occasional cleaning. Semi-annual descaling is appropriate. The PFAS level of 7.6 ppt is elevated — Otis Air National Guard Base / Joint Base Cape Cod (Barnstable County — AFFF, major southeast Massachusetts PFAS source with plume migration toward the Bristol County coastal area), and the southeast Massachusetts industrial corridor contribute to Head of Westport's elevated readings.
Geology & Source: Head of Westport in Bristol County draws from the Westport Water Division on local Westport River watershed reservoirs (Bristol County, southeast Massachusetts) — the watershed drains the New England Upland (Precambrian Dedham Granodiorite — insoluble) and Cretaceous coastal plain (slightly calcareous) — Massachusetts Bristol County Westport River New England crystalline watershed produces moderately soft water at 64 mg/L with TDS 129.3 mg/L.