How does New Bedford's water compare to the national average?

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

New Bedford Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.8

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

228.2 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 New Bedford, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In New Bedford	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 New Bedford compares to its nearest neighbours

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

National Benchmark

How New Bedford compares to the USA average

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

Bring Scarsdale-quality water to your New Bedford home

Shop water softeners on Amazon.com →

Shop Now

What Makes New Bedford's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 228.2 mg/LpH: 7.8

The City of New Bedford Department of Public Infrastructure (DPI) manages the water utility, serving 101,079 residents across New Bedford in Bristol County, Massachusetts. Water is sourced exclusively from five reservoirs in the Assawompsett Pond Complex: Assawampsett Pond, Great Quittacas Pond, Long Pond, Pocksha Pond, and Little Quittacas Pond, located in Lakeville and Rochester. The treatment facility on Little Quittacas Pond processes up to 45 million gallons daily using conventional filtration and chloramine disinfection. Treated water is stored at the 67 million-gallon High Hill Reservoir and distributed via 283.4 miles of pipes.

The Assawompsett Pond Complex sits within the Taunton River Watershed on Pleistocene glacial outwash plains and till, overlying Cape Cod Bay Complex bedrock that includes Carboniferous-age Narragansett Pier Formation sediments and igneous rocks. This geology contains minimal limestone or dolomite, limiting the dissolution of calcium and magnesium. The resulting supply is naturally soft to moderately mineralized, with low carbonate rock content producing modest hardness levels characteristic of the region.

Moderately mineralized water may cause minor scale buildup in appliances such as water heaters, dishwashers, and coffee makers over time, potentially reducing efficiency by 20–30%. Laundry may require more detergent, and spots can appear on glassware. Regular vinegar descaling and installing low-flow aerators help mitigate these effects. A water softener is typically not essential but can benefit households noticing soap scum or preferring spot-free results. The utility meets all state and federal standards through conventional filtration and chloramination.

Geology & Source: Pleistocene glacial outwash plains and till overlying Carboniferous Narragansett Pier Formation sediments and igneous rocks — Cape Cod Bay Complex bedrock; minimal limestone or dolomite yields naturally soft to moderately mineralized water

Other Massachusetts Water Reports

Fairhaven

≈ 0–60 mg/L

🟢 Soft

Acushnet

≈ 60–120 mg/L

🟡 Moderately Hard

Head of Westport

≈ 0–60 mg/L

🟢 Soft

Fall River

≈ 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 New Bedford's water safe to drink?

Yes. New Bedford'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 New Bedford?

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

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