Inglewood-Finn Hill Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.6

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

87.2 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 Inglewood-Finn Hill, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Inglewood-Finn Hill	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 Inglewood-Finn Hill compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Inglewood-Finn Hill, Washington	≈ 0–59 mg/L	2.2 ppt	🟢 Soft	reservoir
Kenmore, Washington	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Kirkland, Washington	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Bothell, Washington	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir
Kingsgate, Washington	≈ 0–60 mg/L	3.4 ppt	🟢 Soft	reservoir

National Benchmark

How Inglewood-Finn Hill compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Inglewood-Finn Hill	≈ 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 Inglewood-Finn Hill's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 87.2 mg/LpH: 7.6

Inglewood-Finn Hill is a community in King County, Washington, situated on the Sammamish Plateau. The area is likely served by the Northshore Utility District or the Seattle Public Utilities regional system, both of which draw from the Cedar River or Tolt River watershed reservoirs in the Cascade foothills. No dedicated water utility data for Inglewood-Finn Hill was identified in publicly available sources; residents should contact Kirkland Public Works or the Washington Department of Ecology and consult their provider's Consumer Confidence Report for verified water quality data.

The Cedar River and Tolt River watersheds drain Eocene volcanic and plutonic rocks, including the Snoqualmie Batholith and Keechelus volcanic formations. These rock types contain negligible carbonate mineral content, meaning surface runoff accumulates very little dissolved calcium or magnesium. The Cascade volcanic terrain of this region is the primary geological reason for the area's very soft water character and low total dissolved solids on the Sammamish Plateau.

Very soft water produces minimal scale buildup in appliances, pipes, and fixtures, making regular descaling largely unnecessary. Water softeners are not required for this supply. Residents benefit from excellent soap lathering, spot-free dishwashing, and reduced appliance maintenance costs. For confirmed water quality information — including pH, lead, copper, and contaminant compliance data — consult the local provider's annual Consumer Confidence Report or the EPA SDWIS database for the specific service address.

Geology & Source: Cedar River or Tolt River watershed reservoirs — Eocene volcanic and plutonic rocks (Snoqualmie Batholith, Keechelus volcanic) with negligible carbonate; Cascade volcanic terrain produces very soft water with low TDS

Other Washington Water Reports

Kenmore

≈ 0–60 mg/L

🟢 Soft

Kirkland

≈ 0–60 mg/L

🟢 Soft

Bothell

≈ 0–60 mg/L

🟢 Soft

Kingsgate

≈ 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 Inglewood-Finn Hill's water safe to drink?

Yes. Inglewood-Finn Hill'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 Inglewood-Finn Hill?

Inglewood-Finn Hill'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 Inglewood-Finn Hill compare to the USA average?

The USA national average is 151 mg/L. Inglewood-Finn Hill (≈ 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 Inglewood-Finn Hill 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.