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Webster Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

groundwater

pH Level

7.5

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

130.4 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 Webster, your appliances are currently losing 4% efficiency due to mineral buildup.

ApplianceIn WebsterSoft Water CityEfficiency 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 Webster compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Webster, Massachusetts≈ 0–59 mg/L17 ppt🟢 Softgroundwater
Dudley, Massachusetts109.5 mg/L0 ppt🟡 Moderately Hardgroundwater
Charlton, Massachusetts≈ 120–179 mg/L11.5 ppt🟠 Hardreservoir
Auburn, Massachusetts≈ 120–179 mg/L52.6 ppt🟠 Hardreservoir
Southbridge, Massachusetts≈ 120–179 mg/L10 ppt🟠 Hardreservoir

National Benchmark

How Webster compares to the USA average

BenchmarkHardnessAppliance Risk
Webster≈ 0–59 mg/L🟢 None
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Webster's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 130.4 mg/LpH: 7.5

The Webster Water Department draws its supply from local groundwater wells, serving residents of Webster, Massachusetts, in Worcester County. Key monitoring sites include USGS-420313071514201, a well near Webster Lake, and MASSDEP-W2465, linked to the Webster Lake watershed. While specific treatment plants aren't detailed, standard groundwater disinfection processes are likely employed. The water originates within the Quinebaug River watershed, with annual Consumer Confidence Reports available on the town's website, webster-ma.gov/763/CCR-Quality-Reports, providing compliance and testing data.

This Webster groundwater flows through geological formations shaped by glacial deposits and the Worcester basin's Carboniferous bedrock. The local geology consists of glacial till, outwash deposits, and stratified drift situated above fractured sedimentary rocks, including sandstones and shales, with minimal limestone. These unconsolidated glacial materials and the relatively low-carbonate bedrock mean the groundwater picks up very few dissolved minerals, particularly calcium and magnesium, as it moves through the aquifer. This geological interaction results in a naturally very soft water supply.

Because the water is naturally soft, homeowners typically won't need to worry about the scale buildup that can plague appliances like water heaters and dishwashers, potentially extending their lifespan. You'll find that soap lathers easily, meaning you might use less detergent for laundry and dishes. Fabric won't feel stiff after washing either. Installing a water softener is generally not recommended, as it could over-soften water that's already quite gentle. If any aesthetic issues like iron are a concern, a simple filtration system might be a better option. Remember to check the latest Consumer Confidence Report for specific details on contaminant levels and treatment summaries.

Geology & Source: Glacial till, outwash, stratified drift over fractured sedimentary rocks; low-carbonate bedrock yields soft water

Other Massachusetts Water Reports

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Frequently Asked Questions

Is Webster's water safe to drink?
Yes. Webster'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 Webster?
Webster'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 Webster compare to the USA average?
The USA national average is 151 mg/L. Webster (≈ 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 Webster 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

pH

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.