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

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

Framingham Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.7

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

207.7 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 Framingham, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Framingham	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 Framingham compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Framingham, Massachusetts	≈ 0–59 mg/L	0 ppt	🟢 Soft	reservoir
Framingham Center, Massachusetts	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Ashland, Massachusetts	≈ 120–179 mg/L	3.2 ppt	🟠 Hard	groundwater
Natick, Massachusetts	≈ 120–179 mg/L	147.7 ppt	🟠 Hard	groundwater
Holliston, Massachusetts	≈ 0–60 mg/L	55.2 ppt	🟢 Soft	groundwater

National Benchmark

How Framingham compares to the USA average

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

Local geology and source profile

Source: ReservoirTDS: 207.7 mg/LpH: 7.7

Framingham Water Department provides drinking water to approximately 72,362 residents in Framingham, Middlesex County, Massachusetts, purchasing treated surface water from the Massachusetts Water Resources Authority (MWRA). MWRA sources raw water primarily from Quabbin Reservoir and secondarily from Wachusett Reservoir, treating it at the Carroll Water Treatment Plant in Marlborough, MA. Water travels via the MetroWest Water Supply Tunnel to Framingham's distribution system.

The Wachusett-Quabbin watershed spans over 400 square miles of protected forestland in central Massachusetts. Underlying geology consists of ancient Precambrian and Paleozoic crystalline rocks — granites, gneisses, and schists — with thin glacial soils and minimal limestone or dolomite formations. Lacking extensive carbonate aquifers, the watershed yields very soft water naturally low in dissolved solids, minimizing mineral pickup and producing a pristine, low-mineralized supply before treatment.

As soft water, Framingham's supply causes minimal scale buildup in appliances like water heaters, dishwashers, and coffee makers, extending their lifespan with little maintenance needed. Laundry and dish detergents lather easily, requiring less product than in harder water areas. No water softener is recommended — over-softening could promote pipe corrosion. MWRA water meets all EPA standards with no violations; treatment includes chloramines, hypochlorite, ozone, and UV light for disinfection. The supply is lead-free from the utility, though private plumbing may leach lead; pH is typically 8.5–9.5 post-treatment for corrosion control.

Geology & Source: Wachusett-Quabbin watershed - Precambrian and Paleozoic granites, gneisses, and schists of the Avalon terrane; no significant limestone or dolomite; glacial till overlay; absence of carbonates yields very soft, low-mineral water

Other Massachusetts Water Reports

Framingham Center

≈ 0–60 mg/L

🟢 Soft

Ashland

≈ 120–179 mg/L

🟠 Hard

Natick

≈ 120–179 mg/L

🟠 Hard

Holliston

≈ 0–60 mg/L

🟢 Soft

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

Frequently Asked Questions

Is Framingham's water safe to drink?

Yes. Framingham'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 Framingham?

Framingham'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 Framingham compare to the USA average?

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