Water Hardness in 84765
Santa Clara, Utah · Washington County
Dataset updated March 9, 2026Matched to 8 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 8 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 84765
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 |
|---|---|---|---|
| St George City Water System UTAH27015 | surface water | 342 PPM Very HardUSGS estimate: 198 PPM | |
| Washington City UTAH27021 | surface water | 342 PPM Very HardUSGS estimate: 577 PPM | |
| Hurricane City UTAH27007 | surface water | 342 PPM Very HardUSGS estimate: 577 PPM | |
| Ivins UTAH27008 | surface water | 342 PPM Very HardUSGS estimate: 198 PPM | |
| Santa Clara City UTAH27016 | surface water | 252 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 Santa Clara, UT (84765).
Frequently Asked Questions
Is the water hard in Santa Clara, UT (84765)?
The average water hardness in 84765 is 338 PPM (19.8 GPG), which is classified as very hard.
Do I need a water softener in 84765?
With hardness of 338 PPM, a water softener is recommended for homes in 84765.
Is hard water in 84765 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 84765?
Zip code 84765 in Santa Clara, Utah is served by 8 water systems.
Learn More About Your Water
How to Test Water Hardness at Home
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