Water Hardness in Salt Lake City, UT
Utah · 14 zip codes · 27 matched water systems
City avg (weighted): 200 PPM
Dataset updated March 9, 202627 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
How this city reading is built
This city reading is a weighted rollup across 27 matched water systems and 14 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
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 in Salt Lake City
These systems are matched to Salt Lake City, UT. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
Salt Lake City Water System UTAH18026 | surface water | 200 PPM HardUSGS estimate: 458 PPM | |
Granger-Hunter Improvement District UTAH18007 | surface water | 200 PPM HardUSGS estimate: 427 PPM | |
West Jordan City Water System UTAH18020 | surface water | 200 PPM HardUSGS estimate: 490 PPM | |
Sandy City Water System UTAH18028 | surface water | 200 PPM HardUSGS estimate: 490 PPM | |
Jordan Valley Wcd UTAH18027 | surface water | 200 PPM HardUSGS estimate: 490 PPM |
Zip Codes in Salt Lake City, UT
What This Means For You
Recommendations are based on the displayed 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 Salt Lake City, UT.
Frequently Asked Questions
How hard is the water in Salt Lake City, UT?
The citywide weighted average water hardness in Salt Lake City, UT is 200 PPM (11.7 GPG), classified as hard. This is based on 27 matched water systems.
Do I need a water softener in Salt Lake City, UT?
With a citywide average hardness of 200 PPM, a water softener is recommended for homes in Salt Lake City. Confirm your tap reading before sizing equipment.
Is hard water in Salt Lake City, UT 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 Salt Lake City, UT?
Salt Lake City, Utah is served by 27 matched water systems across 14 zip codes.
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