Water Hardness in 92835
La Habra Heights, California · Orange 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 92835
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 |
|---|---|---|---|
| Irvine Ranch Water District CA3010092 | surface water | 140 PPM Moderately HardUSGS estimate: 247 PPM | |
| City Of Anaheim CA3010001 | surface water | 150 PPM Moderately Hard | |
| City Of Santa Ana CA3010038 | surface water | 150 PPM Moderately Hard | |
| City Of Huntington Beach CA3010053 | surface water | 150 PPM Moderately Hard | |
| City Of Garden Grove CA3010062 | surface water | 150 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 La Habra Heights, CA (92835).
Frequently Asked Questions
Is the water hard in La Habra Heights, CA (92835)?
The average water hardness in 92835 is 205 PPM (12 GPG), which is classified as hard.
Do I need a water softener in 92835?
With hardness of 205 PPM, a water softener is recommended for homes in 92835.
Is hard water in 92835 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 92835?
Zip code 92835 in La Habra Heights, 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.
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