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

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

Maltby 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

0.008 mg/L

✓ Below action level

TDS

194.2 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 Maltby, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Maltby	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 Maltby compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Maltby, Washington	≈ 0–59 mg/L	3.2 ppt	🟢 Soft	reservoir
North Creek, Washington	≈ 60–120 mg/L	3.3 ppt	🟡 Moderately Hard	reservoir
Cottage Lake, Washington	≈ 60–120 mg/L	2.4 ppt	🟡 Moderately Hard	reservoir
Woodinville, Washington	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Silver Firs, Washington	≈ 0–60 mg/L	2 ppt	🟢 Soft	reservoir

National Benchmark

How Maltby compares to the USA average

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

Local geology and source profile

Source: ReservoirTDS: 194.2 mg/LpH: 7.7

Information regarding the specific water utility serving Maltby, Washington, and its water quality could not be officially confirmed through standard public records. This community, located within Snohomish County, might receive its supply from the Snohomish County PUD or a smaller local entity, but definitive details on their water sources, treatment facilities, and service areas remain elusive in publicly accessible documentation. Without official reports or confirmed utility data, a precise understanding of the water's origin and quality parameters, including hardness, is not available. Residents seeking this information are advised to directly contact their local water provider or the Snohomish County Department of Health for the most current and accurate details.

Maltby's water supply originates from the Pilchuck River watershed in Snohomish County, Washington. This region is geologically characterized by Eocene Cascade basalt formations, which are known for their insolubility, and Pleistocene Puget Glacial Drift, a material that is only slightly calcareous. This combination of geological features contributes to the production of soft water within the supply. The specific details of the aquifer or reservoir systems drawing from this watershed would typically be managed by the serving utility, but this information was not publicly available for Maltby.

Because specific water quality data, including hardness levels, is unavailable, it's difficult to predict the precise impact on household appliances and plumbing in Maltby. However, generally, soft water is less likely to cause significant scale buildup in pipes and water heaters, potentially extending their lifespan and reducing maintenance needs. It also means that soaps and detergents may lather more easily, requiring less product for cleaning tasks. For homeowners experiencing issues or wanting to be certain about their water's quality, reaching out to the service provider for a water quality report is the best course of action. Additional guidance may be available from the Snohomish County Department of Health.

Geology & Source: Eocene Cascade basalt (insoluble) and Pleistocene Puget Glacial Drift (slightly calcareous) produce soft water

Other Washington Water Reports

North Creek

≈ 60–120 mg/L

🟡 Moderately Hard

Cottage Lake

≈ 60–120 mg/L

🟡 Moderately Hard

Woodinville

≈ 0–60 mg/L

🟢 Soft

Silver Firs

≈ 0–60 mg/L

🟢 Soft

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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 Maltby's water safe to drink?

Yes. Maltby'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 Maltby?

Maltby'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 Maltby compare to the USA average?

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