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Water Hardness in Cle Elum, WA

Washington · 1 zip codes · 25 matched water systems

81 PPM
4.7 GPG
Slightly Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 202625 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 25 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
24 USGS-backed sources
25 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in Cle Elum

These systems are matched to Cle Elum, WA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

25 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Ellensburg Water Dept
WA5322950
Slightly Hard
99 PPMgroundwater20,900 servedEstimated — Nearby Data
Suncadia Resort
WA53AA317
Soft
39 PPMsurface water2,640 servedHigh Confidence — USGS Monitoring
Cle Elum Water Department
WA5313500
Soft
39 PPMsurface water2,213 servedHigh Confidence — USGS Monitoring
Basin Water Sources Inc
WA5304600
Soft
39 PPMgroundwater1,158 servedHigh Confidence — USGS Monitoring
Kittitas County Water District #5
WA5342704
Soft
39 PPMgroundwater699 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Cle Elum, WA

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your Water

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Cle Elum, WA.

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Frequently Asked Questions

How hard is the water in Cle Elum, WA?

The citywide weighted average water hardness in Cle Elum, WA is 81 PPM (4.7 GPG), classified as slightly hard. This is based on 25 matched water systems.

Do I need a water softener in Cle Elum, WA?

At 81 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Cle Elum, WA safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve Cle Elum, WA?

Cle Elum, Washington is served by 25 matched water systems across 1 zip code.

Learn More About Your Water