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

The USA national average is 151 mg/L. Newtonville (≈ 0–59 mg/L) is 121 mg/L softer than average.

Newtonville Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.8

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

260 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 Newtonville, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Newtonville	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 Newtonville compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Newtonville, Massachusetts	≈ 0–59 mg/L	0 ppt	🟢 Soft	reservoir
Newton, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Watertown, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Waltham, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Chestnut Hill, Massachusetts	≈ 0–60 mg/L	4.5 ppt	🟢 Soft	reservoir

National Benchmark

How Newtonville compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Newtonville	≈ 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 Newtonville's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 260 mg/LpH: 7.8

Newtonville, Massachusetts receives its water supply from the Massachusetts Water Resources Authority (MWRA). This regional utility draws water from two major sources: the Quabbin Reservoir and the Wachusett Reservoir, both located in central Massachusetts. Treatment of this water occurs at the Wachusett Treatment Plant before it's distributed to residents throughout Newton and other communities in Middlesex County.

The Quabbin and Wachusett Reservoirs are situated within the New England Upland physiographic region. The underlying bedrock consists of ancient Precambrian metamorphic rocks, including gneiss, schist, and granite. These formations are covered by glacial deposits, such as till and stratified drift, left over from the last ice age. This particular geological makeup, combined with the cool climate and naturally acidic precipitation common in New England, results in water that is inherently soft, containing very low levels of dissolved minerals like calcium and magnesium.

Because Newtonville's water is soft, homeowners typically won't need to install water softening systems to protect appliances or improve soap performance. You won't see the familiar scale buildup on faucets or inside water heaters that plagues areas with hard water. While generally clear, residents might occasionally notice a faint yellowish tint from dissolved iron leaching from older iron pipes in the distribution system; running the tap for a few minutes usually clears this up. The MWRA adjusts the water's pH to minimize corrosion, and testing for lead, copper, and other contaminants is regularly conducted.

Geology & Source: New England Upland metamorphic terrain; gneiss, schist, and granite bedrock with glacial till deposits produce soft water

Other Massachusetts Water Reports

Newton

≈ 0–60 mg/L

🟢 Soft

Watertown

≈ 0–60 mg/L

🟢 Soft

Waltham

≈ 0–60 mg/L

🟢 Soft

Chestnut Hill

≈ 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 Newtonville's water safe to drink?

Yes. Newtonville'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 Newtonville?

Newtonville'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 Newtonville compare to the USA average?

The USA national average is 151 mg/L. Newtonville (≈ 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 Newtonville 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.