Head of Westport Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

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

$0.08

energy & soap waste

Source: See methodology section below · Updated 2026

soft~0–59 mg/LSoft · est.

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 4% efficiency due to mineral buildup.

Appliance	In Head of Westport	Soft Water City	Efficiency Loss
Kettle	8.2 yrs	8.5 yrs	-4%
Washing Machine	11.5 yrs	12 yrs	-4%
Water Heater	14.4 yrs	15 yrs	-4%

Regional Water Comparison

How Head of Westport compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Head of Westport, Massachusetts	≈ 0–59 mg/L	7.6 ppt	🟢 Soft	reservoir
Fall River, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
New Bedford, Massachusetts	≈ 120–179 mg/L	7 ppt	🟠 Hard	reservoir
Fairhaven, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	groundwater
Somerset, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir

National Benchmark

How Head of Westport compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Head of Westport	≈ 0–59 mg/L	🟢 None
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Head of Westport's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 129.3 mg/LpH: 7.5

The Town of Westport water utility provides service to the Head of Westport area of Massachusetts. Its water comes from a mix of sources, including the Westport River watershed and Bread and Cheese Brook, as well as local groundwater wells. Water is treated at facilities overseen by the Water Treatment Supervisor, which adhere to EPA standards, as detailed in the 2026 water quality report. The utility consistently meets all Maximum Contaminant Level Goals (MCLGs), demonstrating a commitment to safe drinking water for its residents.

The region's geology features glacial sediments and ancient sedimentary rocks, such as the Mattaposett Conglomerate and Quincy Granite intrusions, with no significant carbonate aquifers present. This geological makeup, characterized by siliceous bedrock and glacial sands, results in a very soft water supply. The limited contact with mineral-rich formations means the water is lowly mineralized, with minimal dissolved calcium and magnesium.

This soft water means you'll likely notice minimal scale buildup in appliances like water heaters, dishwashers, and coffee makers. You won't need to use extra soap or detergent because it lathers easily. Because the water is so soft, a water softener isn't necessary and could even remove beneficial minerals. While the water meets all EPA drinking water standards, the Westport River Watershed Alliance has noted occasional bacteria spikes in the Westport River. Additionally, PFAS are an emerging concern in the region; while drinking water exposure is low, it's wise to limit contact with PFAS in food packaging, cookware, and fabrics.

Geology & Source: Glacial deposits and Paleozoic sedimentary bedrock (Narragansett Basin formations, Mattaposett Conglomerate, Quincy Granite); siliceous rocks and short flow paths yield soft water

Other Massachusetts Water Reports

Fall River

≈ 0–60 mg/L

🟢 Soft

New Bedford

≈ 120–179 mg/L

🟠 Hard

Fairhaven

≈ 0–60 mg/L

🟢 Soft

Somerset

≈ 0–60 mg/L

🟢 Soft

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Head of Westport's water safe to drink?

Yes. Head of Westport's water meets all federal safety standards. The hardness is ≈ 0–59 mg/L (Soft), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Head of Westport?

Head of Westport's water is soft at ≈ 0–59 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.

How does Head of Westport compare to the USA average?

The USA national average is 151 mg/L. Head of Westport (≈ 0–59 mg/L) is 121 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Head of Westport is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.