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

The USA national average is 151 mg/L. Eastmont (≈ 120–179 mg/L) is 1 mg/L softer than average.

Eastmont Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.3

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

69.8 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · 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 Eastmont, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Eastmont	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Eastmont compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Eastmont, Washington	≈ 120–179 mg/L	2 ppt	🟠 Hard	reservoir
Silver Firs, Washington	≈ 0–60 mg/L	2 ppt	🟢 Soft	reservoir
Mill Creek, Washington	≈ 120–179 mg/L	2.1 ppt	🟠 Hard	reservoir
Mill Creek East, Washington	≈ 0–60 mg/L	2 ppt	🟢 Soft	reservoir
Martha Lake, Washington	≈ 0–60 mg/L	1.3 ppt	🟢 Soft	reservoir

National Benchmark

How Eastmont compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Eastmont	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Eastmont's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 69.8 mg/LpH: 7.3

East Wenatchee Water District serves the Greater East Wenatchee Area, including Eastmont, in Douglas County, Washington. The utility draws water exclusively from the East Bank Aquifer via four wells drilled approximately 200 feet deep near Rocky Reach Dam. No surface water sources or dedicated filtration treatment plants are used; the groundwater is of high natural quality requiring minimal processing. The service area covers residential and commercial customers in the Eastmont community and surrounding regions of Douglas County.

The East Bank Aquifer sits within the upper Columbia River Basin, recharging from river infiltration and precipitation. The aquifer consists of Quaternary glacial and alluvial deposits overlying the Miocene Columbia River Basalt Group, which includes interbedded lava flows and sediments. This volcanic and sedimentary geology imparts a moderately mineralised character to the water through natural leaching of alkaline earth metals from basalt weathering, typical of groundwater across the Columbia Plateau physiographic province.

At moderately hard levels, scale buildup occurs gradually on fixtures, reducing efficiency in water heaters, dishwashers, and washing machines over time. Affected appliances may experience 20–30% higher energy use from mineral deposits. Regular vinegar descaling of showerheads and faucets, installing sediment filters, and flushing hot water tanks annually are recommended maintenance steps. A water softener is advisable for households noticing soap scum or dry skin. The 2025 Consumer Confidence Report confirms excellent overall water quality with no pH, lead, copper, or PFAS violations noted.

Geology & Source: East Bank Aquifer, Douglas County — Miocene Columbia River Basalt overlain by Pleistocene glacial outwash; basaltic and unconsolidated sediments dissolve calcium and magnesium, producing moderate hardness

Other Washington Water Reports

Silver Firs

≈ 0–60 mg/L

🟢 Soft

Mill Creek

≈ 120–179 mg/L

🟠 Hard

Mill Creek East

≈ 0–60 mg/L

🟢 Soft

Martha Lake

≈ 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 Eastmont's water safe to drink?

Yes. Eastmont's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Eastmont?

At ≈ 120–179 mg/L (Hard), Eastmont's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Eastmont compare to the USA average?

The USA national average is 151 mg/L. Eastmont (≈ 120–179 mg/L) is 1 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 Eastmont 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.