How does Westfield's water compare to the national average?

The USA national average is 151 mg/L. Westfield (≈ 120–179 mg/L) is 1 mg/L softer than average.

Westfield Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.6

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

193.3 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · 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 Westfield, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Westfield	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Westfield compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Westfield, Massachusetts	≈ 120–179 mg/L	5.5 ppt	🟠 Hard	reservoir
West Springfield, Massachusetts	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Chicopee, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Agawam, Massachusetts	61 mg/L	0 ppt	🟡 Moderately Hard	reservoir
Holyoke, Massachusetts	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir

National Benchmark

How Westfield compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Westfield	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Westfield's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 193.3 mg/LpH: 7.6

The Westfield Water Department serves the city of Westfield in Hampden County, Massachusetts, providing water to approximately 40,000 residents. Primary sources include surface water from Cobble Mountain Reservoir, treated at the West Parish Filter facility, and groundwater from wells on Shaker Road (Wells 3&4) and North Elm Street (Wells 5&6); Well 1 has been offline since March 2019. All sources undergo treatment to reduce corrosivity, with targeted removal of the fungicide Ethylene DiBromide (EDB) from Wells 3 and 4. Annual Consumer Confidence Reports are published on the city's official website and the department is located at 28 Sackett Street, Westfield, MA.

The supply originates within the Connecticut River Valley watershed, with Cobble Mountain Reservoir nestled in the Berkshire Highlands. This region features ancient metamorphic bedrock from the Proterozoic Taconic and Berkshire sequences, including gneiss, schist, and minor limestone outcrops that release alkaline earth metals through weathering. Glacial deposits form unconfined aquifers of sand and gravel, with Cambrian-Ordovician quartzites and marble underlying the stratified drift. The presence of carbonate minerals — dolomite and calcite — imparts a moderately mineralised character, contrasting with softer rain-fed granitic uplands elsewhere in Massachusetts.

Moderately hard water promotes slight scale buildup in appliances like water heaters, dishwashers, and coffee makers over time, reducing efficiency and lifespan. Laundry may feel stiffer and soap lathering is less effective, requiring more detergent. Regular annual descaling of fixtures and heaters mitigates these issues. A water softener is recommended for households noticing spotting on glassware or reduced appliance performance, though not essential for health. Water adheres to EPA and MassDEP standards; treatment includes disinfection, corrosion control, and targeted EDB removal. Occasional earthy taste or odor from reservoir organics is harmless but filterable; chlorate, bromate, and legacy PCBs are noted at levels within MCLs.

Geology & Source: Cobble Mountain Reservoir and Connecticut River Valley wells; Proterozoic-Paleozoic schist, gneiss, and granite — Berkshire Massif; Cambrian-Ordovician quartzite and marble with calcite and dolomite yield moderately hard supply

Other Massachusetts Water Reports

West Springfield

≈ 120–179 mg/L

🟠 Hard

Chicopee

≈ 0–60 mg/L

🟢 Soft

Agawam

61 mg/L

🟡 Moderately Hard

Holyoke

≈ 120–179 mg/L

🟠 Hard

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Frequently Asked Questions

Is Westfield's water safe to drink?

Yes. Westfield's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Westfield?

At ≈ 120–179 mg/L (Hard), Westfield's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Westfield compare to the USA average?

The USA national average is 151 mg/L. Westfield (≈ 120–179 mg/L) is 1 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 Westfield 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.