Truckee Water Hardness & Quality Report (2026)
Water Hardness
6 grains per gallon
Source
mixed
pH Level
7.7
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
261 mg/L
Est. Daily Cost
$0.27
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 Truckee, your appliances are currently losing 14% efficiency due to mineral buildup.
| Appliance | In Truckee | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.2 yrs | 8.5 yrs | -27% |
| Washing Machine | 9.8 yrs | 12 yrs | -18% |
| Water Heater | 11.5 yrs | 15 yrs | -23% |
Regional Water Comparison
How Truckee compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Truckee, California | 103 mg/L | 4.9 ppt | 🟡 Moderately Hard | mixed |
| Reno, Nevada | 96.5 mg/L | 2 ppt | 🟡 Moderately Hard | groundwater |
| South Lake Tahoe, California | 49 mg/L | 3.4 ppt | 🟢 Soft | mixed |
| Carson City, Nevada | 185.5 mg/L | 2.6 ppt | 🔴 Very Hard | groundwater |
| Sparks, Nevada | 366 mg/L | 4 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Truckee compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Truckee | 103 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your Truckee home
Shop water softeners on Amazon.com →
What Makes Truckee's Water Unique?
Local geology and source profile
Truckee, California, in Nevada County — a Nevada County town adjacent to Kings Beach and Tahoe Vista in the Lake Tahoe basin of the Sierra Nevada — receives its municipal water from the Truckee Donner Public Utility District (TDPUD), drawing from the Truckee River and local groundwater wells in the Truckee basin (Nevada County).
The moderately hard 103 mg/L hardness and TDS of 261 mg/L are harder than expected for a Sierra Nevada surface water supply (Truckee River headwaters at Lake Tahoe are typically very soft: ~20-40 mg/L), suggesting Truckee's supply includes significant local groundwater contribution from volcanic tuff and metamorphic zones. The Truckee River and local wells drain the Sierra Nevada — Cretaceous granodiorite (insoluble), but also Tertiary volcanic tuff (more soluble), Triassic-Jurassic metasedimentary calcareous zones, and Quaternary glacial deposits. The local groundwater component introduces the higher mineral loading compared to pure surface water.
At 103 mg/L, Truckee's water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 4.9 ppt warrants a certified drinking water filter — the Nevada County Sierra Nevada resort corridor and the Truckee basin PFAS background from regional industrial sources contribute to Truckee's readings.
Geology & Source: Truckee in Nevada County draws from the Truckee Donner Public Utility District on the Truckee River and local wells (Nevada County, Sierra Nevada) — the Truckee River drains the Sierra Nevada (Cretaceous granodiorite — partly insoluble) and Tertiary volcanic tuff zones — California Nevada County Sierra Nevada-Tertiary blended supply produces moderately hard water at 103 mg/L with TDS 261 mg/L in this Nevada County California community.