Water Hardness in 95620
Liberty Farms, California · Solano County
Dataset updated March 9, 2026Matched to 10 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 10 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 95620
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 |
|---|---|---|---|
| City Of Vallejo CA4810007 | surface water | 160 PPM Moderately HardUSGS estimate: 81 PPM | |
| City Of Fairfield CA4810003 | surface water | 185 PPM HardUSGS estimate: 244 PPM | |
| City Of Vacaville CA4810008 | surface water | 150 PPM Moderately HardUSGS estimate: 244 PPM | |
| Suisun-Solano Water Authority CA4810005 | surface water | 170 PPM Moderately HardUSGS estimate: 259 PPM | |
| City Of Benicia CA4810001 | surface water | 70 PPM Slightly HardUSGS estimate: 422 PPM |
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 Liberty Farms, CA (95620).
Frequently Asked Questions
Is the water hard in Liberty Farms, CA (95620)?
The average water hardness in 95620 is 169 PPM (9.9 GPG), which is classified as moderately hard.
Do I need a water softener in 95620?
With hardness of 169 PPM, a water softener is worth considering for homes in 95620.
Is hard water in 95620 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 95620?
Zip code 95620 in Liberty Farms, California is served by 10 water systems.
Learn More About Your Water
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