Water Hardness in 92284
Yucca Valley, California · San Bernardino County
Dataset updated March 9, 2026Matched to 25 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 25 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
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 Serving 92284
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| San Gabriel Valley Wc - Fontana CA3610041 | surface water | 129 PPM Moderately HardUSGS estimate: 153 PPM | |
| San Bernardino City CA3610039 | groundwater | 260 PPM Very HardUSGS estimate: 153 PPM | |
| Cucamonga Valley Water District CA3610018 | surface water | 410 PPM Very Hard | |
| Ontario Municipal Utilities Company CA3610034 | surface water | 410 PPM Very Hard | |
| Victorville Water District CA3610052 | surface water | 153 PPM Moderately Hard |
Nearby Zip Codes
What This Means For You
Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
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 Yucca Valley, CA (92284).
Frequently Asked Questions
Is the water hard in Yucca Valley, CA (92284)?
The average water hardness in 92284 is 213 PPM (12.5 GPG), which is classified as hard.
Do I need a water softener in 92284?
With hardness of 213 PPM, a water softener is recommended for homes in 92284.
Is hard water in 92284 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 92284?
Zip code 92284 in Yucca Valley, California is served by 25 water systems.
Learn More About Your Water
How to Test Water Hardness at Home
Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.
8 min readWater Hardness Scale: PPM and GPG Chart
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