West Lake Stevens Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.1

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

27.6 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 West Lake Stevens, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In West Lake Stevens	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 West Lake Stevens compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ West Lake Stevens, Washington	≈ 0–59 mg/L	1.4 ppt	🟢 Soft	reservoir
Lake Stevens, Washington	24 mg/L	1.6 ppt	🟢 Soft	groundwater
Marysville, Washington	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Everett, Washington	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Eastmont, Washington	≈ 120–179 mg/L	2 ppt	🟠 Hard	reservoir

National Benchmark

How West Lake Stevens compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ West Lake Stevens	≈ 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 West Lake Stevens's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 27.6 mg/LpH: 7.1

West Lake Stevens, Washington, is served by the Lake Stevens Water District or potentially Snohomish County PUD, providing water to this unincorporated community in Snohomish County north of Seattle. The supply is mixed, combining groundwater from local production wells with surface water contributions from the City of Everett or Lake Stevens. Treatment occurs at district facilities blending these sources, with no specific plant names detailed in available reports, serving residential neighborhoods around the lake.

The watershed encompasses the Lake Stevens basin within the greater Snohomish River drainage, fed by Cascade Mountain snowmelt and precipitation. Glacial deposits from the Fraser Glaciation dominate, overlaying granitic and metamorphic bedrock of the North Cascades. Local aquifers are shallow and unconfined, recharged by rainwater percolating through sandy tills with limited carbonate rocks, imparting a very soft character due to the absence of significant limestone or dolomite formations.

As very soft water, it produces excellent lather with minimal soap, leaves no spots on glassware, and poses no scaling risk to plumbing, water heaters, or appliances. Laundry and dishwashers operate efficiently without detergent buildup. Water softeners are not recommended — they could over-soften and cause corrosion in pipes. Water quality meets EPA standards; a 2022 measurement at Lake Stevens Wells showed trace chloramine at 0.3 ppm, promptly addressed. No notable lead, copper, or PFAS exceedances have been reported. Treatment includes disinfection (chloramine), filtration, and corrosion control.

Geology & Source: Snohomish River watershed — Pleistocene glacial till and granitic North Cascades bedrock; low limestone content and glacial scouring produce very soft water; Tertiary Cascade volcanics further limit mineralization in shallow aquifers

Other Washington Water Reports

Lake Stevens

24 mg/L

🟢 Soft

Marysville

≈ 120–179 mg/L

🟠 Hard

Everett

≈ 0–60 mg/L

🟢 Soft

Eastmont

≈ 120–179 mg/L

🟠 Hard

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 West Lake Stevens's water safe to drink?

Yes. West Lake Stevens'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 West Lake Stevens?

West Lake Stevens'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 West Lake Stevens compare to the USA average?

The USA national average is 151 mg/L. West Lake Stevens (≈ 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 West Lake Stevens 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.