Water Hardness in 93622
Firebaugh, California · Fresno County
Dataset updated March 9, 2026Matched to 18 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 18 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 93622
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 Fresno CA1010007 | surface water | 170 PPM Moderately Hard | |
| City Of Clovis CA1010003 | surface water | 8 PPM SoftUSGS estimate: 170 PPM | |
| California State University Fresno CA1010339 | groundwater | 170 PPM Moderately Hard | |
| Cws - Selma CA1010024 | groundwater | 250 PPM Very Hard | |
| City Of Sanger CA1010029 | groundwater | 287 PPM Very 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 Firebaugh, CA (93622).
Frequently Asked Questions
Is the water hard in Firebaugh, CA (93622)?
The average water hardness in 93622 is 165 PPM (9.6 GPG), which is classified as moderately hard.
Do I need a water softener in 93622?
With hardness of 165 PPM, a water softener is worth considering for homes in 93622.
Is hard water in 93622 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 93622?
Zip code 93622 in Firebaugh, California is served by 18 water systems.
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