North Reading Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

6.2

neutral = 7.0

Lead

0.009 mg/L

✓ Below action level

TDS

323.5 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 North Reading, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In North Reading	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 North Reading compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ North Reading, Massachusetts	≈ 120–179 mg/L	23 ppt	🟠 Hard	reservoir
Lynnfield, Massachusetts	≈ 0–60 mg/L	29.7 ppt	🟢 Soft	reservoir
Reading, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Wakefield, Massachusetts	≈ 0–60 mg/L	17.8 ppt	🟢 Soft	reservoir
Stoneham, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir

National Benchmark

How North Reading compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ North Reading	≈ 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 North Reading's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 323.5 mg/LpH: 6.2

The North Reading Water Department supplies drinking water to residents and businesses throughout North Reading, Massachusetts. This utility draws from a mixed water source, utilizing both surface water from the Ipswich River watershed and groundwater from local wells. All water is treated and distributed from the department's facilities located at 235 North Street in North Reading. Customers can reach the department for emergencies 24/7 at (978) 664-3112.

The region's geology influences the water's mineral content. Groundwater aquifers are found in sand and gravel layers from the Pleistocene epoch, sitting atop Carboniferous-era sedimentary bedrock like sandstones and shales belonging to the Merrimack Belt. Glacial till within these sediments contains fragments of carbonates, which dissolve calcium and magnesium into the groundwater. The Ipswich River component, being softer, helps to balance the overall mineral load, resulting in moderately hard water.

This moderately hard water can lead to some scale buildup in appliances such as water heaters and dishwashers, potentially impacting their efficiency and lifespan. You might notice that laundry detergents are less effective, and glassware can sometimes show spotting after washing. Performing regular maintenance, like deliming fixtures every year or two, can help manage these effects. For those who notice persistent spotting or want to maximize appliance longevity, especially if relying heavily on the groundwater portion of the supply, a water softener is often a common recommendation.

Geology & Source: Pleistocene glacial till and outwash; Pennsylvanian Merrimack Belt sedimentary rocks (sandstone, shale); moderate hardness from calcium and magnesium in glacial sediments, softened by Ipswich River surface water.

Other Massachusetts Water Reports

Lynnfield

≈ 0–60 mg/L

🟢 Soft

Reading

≈ 0–60 mg/L

🟢 Soft

Wakefield

≈ 0–60 mg/L

🟢 Soft

Stoneham

≈ 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 North Reading's water safe to drink?

Yes. North Reading'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 North Reading?

At ≈ 120–179 mg/L (Hard), North Reading'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 North Reading compare to the USA average?

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