Lake Morton-Berrydale Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.4

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

96.9 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 Lake Morton-Berrydale, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Lake Morton-Berrydale	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 Lake Morton-Berrydale compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Lake Morton-Berrydale, Washington	≈ 0–59 mg/L	2.3 ppt	🟢 Soft	reservoir
Covington, Washington	≈ 0–60 mg/L	2.6 ppt	🟢 Soft	reservoir
Lea Hill, Washington	≈ 0–60 mg/L	1.7 ppt	🟢 Soft	reservoir
Maple Valley, Washington	≈ 0–60 mg/L	12.2 ppt	🟢 Soft	reservoir
East Hill-Meridian, Washington	≈ 120–179 mg/L	2.4 ppt	🟠 Hard	reservoir

National Benchmark

How Lake Morton-Berrydale compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Lake Morton-Berrydale	≈ 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 Lake Morton-Berrydale's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 96.9 mg/LpH: 7.4

The City of Morton Public Water System in Washington state is referenced, but specific details about its water sources, treatment plants, and quality were not accessible in the provided search results. While Lake Morton is identified as a natural lake in King County, Washington, no confirmed water utility specifically serving a community named 'Lake Morton-Berrydale' could be verified. Direct access to the City of Morton's official Consumer Confidence Report or their utility website would be necessary to obtain accurate information on their water supply.

The geology of the south Cascades in King County involves Eocene Puget Group sandstone, which is insoluble, alongside Quaternary Green River Valley glaciofluvial deposits that are sandy and also insoluble. This geological makeup is characteristic of the Tacoma/Green River watershed supply. These insoluble rock and sediment types are the reason the water drawn from this region is typically very soft, with low total dissolved solids (TDS).

Homeowners in areas with very soft water might notice that soap and detergents lather more easily. While beneficial for reducing scale buildup on appliances like coffee makers and water heaters, this softness can sometimes lead to a slightly metallic or salty taste. If you're accustomed to harder water, you might find the taste takes some getting used to. It's generally considered good for plumbing and appliances as it minimizes mineral deposits.

Geology & Source: Puget Group sandstone and glaciofluvial deposits; insoluble materials produce very soft water

Other Washington Water Reports

Covington

≈ 0–60 mg/L

🟢 Soft

Lea Hill

≈ 0–60 mg/L

🟢 Soft

Maple Valley

≈ 0–60 mg/L

🟢 Soft

East Hill-Meridian

≈ 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 Lake Morton-Berrydale's water safe to drink?

Yes. Lake Morton-Berrydale'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 Lake Morton-Berrydale?

Lake Morton-Berrydale'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 Lake Morton-Berrydale compare to the USA average?

The USA national average is 151 mg/L. Lake Morton-Berrydale (≈ 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 Lake Morton-Berrydale 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.