Water Hardness in 92267
Parker Dam, 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 92267
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
Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.
Hard Water - Treatment Recommended
Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | 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 Parker Dam, CA (92267).
Frequently Asked Questions
Is the water hard in Parker Dam, CA (92267)?
The average water hardness in 92267 is 213 PPM (12.5 GPG), which is classified as hard.
Do I need a water softener in 92267?
With hardness of 213 PPM, a water softener is recommended for homes in 92267.
Is hard water in 92267 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 92267?
Zip code 92267 in Parker Dam, California is served by 25 water systems.
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