South Salt Lake Water Hardness & Quality Report (2026)
Water Hardness
20.4 grains per gallon
Source
mixed
pH Level
8.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
1110.9 mg/L
Est. Daily Cost
$0.93
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In South Salt Lake, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In South Salt Lake | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3 yrs | 12 yrs | -75% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How South Salt Lake compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ South Salt Lake, Utah | 349 mg/L | 4.9 ppt | 🔴 Very Hard | mixed |
| Millcreek, Utah | 281.5 mg/L | 3.9 ppt | 🔴 Very Hard | mixed |
| Salt Lake City, Utah | 285 mg/L | 3.9 ppt | 🔴 Very Hard | mixed |
| Murray, Utah | 313.5 mg/L | 4.3 ppt | 🔴 Very Hard | mixed |
| Taylorsville, Utah | 199.5 mg/L | 2.6 ppt | 🔴 Very Hard | mixed |
National Benchmark
How South Salt Lake compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ South Salt Lake | 349 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes South Salt Lake's Water Unique?
Local geology and source profile
South Salt Lake, Utah, in Salt Lake County between Salt Lake City and Murray along the Jordan River corridor, receives its municipal water from the Jordan Valley Water Conservancy District (JVWCD), which blends imported Colorado River Basin water from the Provo River Project and Central Utah Project with local groundwater from the Jordan Valley Aquifer. The Jordan Valley aquifer system underlies the valley floor between the Wasatch Range and the Oquirrh Mountains — a closed basin filled with ancient sediments of Pleistocene Lake Bonneville, the vast prehistoric inland sea that once covered much of western Utah.
The extraordinarily hard 349 mg/L hardness and remarkable TDS of 1,110 mg/L reflect the Salt Lake Valley's unique and exceptional mineral geology. Lake Bonneville sediments — deposited as the prehistoric lake evaporated between 14,000 and 10,000 years ago — are rich in calcium carbonate, calcium sulfate (gypsum), magnesium sulfate, and sodium chloride from lake evaporation concentration cycles. The Jordan Valley aquifer circulates through these dense mineral deposits, dissolving calcium, magnesium, and sulfate in extraordinary quantities. Even blending with softer mountain water cannot reduce the finished water's hardness to comfortable levels.
At 349 mg/L, South Salt Lake has some of the hardest water in the United States. Scale accumulates almost immediately in kettles and coffee machines, dishwashers fail to clean glassware without significant scale deposits, and white calcium crust appears on all water contact surfaces within days. Water heaters lose significant efficiency within their first year of use from carbonate insulation. A whole-house water softener is essentially mandatory for South Salt Lake homeowners seeking to protect plumbing and appliances. An under-sink reverse osmosis unit is also highly recommended for drinking water — the TDS of 1,110 mg/L produces a noticeably salty-mineral taste that many residents find unpleasant without filtration.
Geology & Source: South Salt Lake in Salt Lake County draws from blended Wasatch Front mountain water and Jordan River Valley groundwater — the Jordan Valley overlies Pleistocene Lake Bonneville lacustrine sediments rich in calcium sulfate, calcium carbonate, and sodium chloride deposited during the last Ice Age's vast inland sea — deep basin evaporite mineral dissolution produces extraordinarily hard water at 349 mg/L with extreme TDS of 1,110 mg/L.