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Water Hardness in Crowley Lake, CA

California · 1 zip codes · 7 matched water systems

24 PPM
1.4 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20267 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 7 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
7 USGS-backed sources
7 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. 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 Crowley Lake

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

7 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.
Mammoth Cwd
CA2610001
Soft
24 PPMsurface water8,234 servedHigh Confidence — USGS Monitoring
Mountain Meadows Mwc
CA2600620
Soft
24 PPMgroundwater505 servedHigh Confidence — USGS Monitoring
Pine Creek Village
CA1400006
Soft
24 PPMgroundwater240 servedHigh Confidence — USGS Monitoring
Crowley Lake Trailer Park
CA2600547
Soft
24 PPMgroundwater230 servedHigh Confidence — USGS Monitoring
Crowley Lake Mutual Water Company
CA2600546
Soft
24 PPMgroundwater175 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Crowley Lake, CA

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Crowley Lake, CA.

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Frequently Asked Questions

How hard is the water in Crowley Lake, CA?

The citywide weighted average water hardness in Crowley Lake, CA is 24 PPM (1.4 GPG), classified as soft. This is based on 7 matched water systems.

Do I need a water softener in Crowley Lake, CA?

At 24 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Crowley Lake, CA 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 Crowley Lake, CA?

Crowley Lake, California is served by 7 matched water systems across 1 zip code.

Learn More About Your Water