Las Vegas Water Hardness & Quality Report (2026)
Water Hardness
10.7 grains per gallon
Source
groundwater
pH Level
8
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
461.1 mg/L
Est. Daily Cost
$0.49
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 Las Vegas, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In Las Vegas | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.5 yrs | 8.5 yrs | -59% |
| Washing Machine | 6.8 yrs | 12 yrs | -43% |
| Water Heater | 8.2 yrs | 15 yrs | -45% |
Regional Water Comparison
How Las Vegas compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Las Vegas, New Mexico | 184 mg/L | 2.4 ppt | 🔴 Very Hard | groundwater |
| Santa Fe, New Mexico | 80.5 mg/L | 1.7 ppt | 🟡 Moderately Hard | groundwater |
| Enchanted Hills, New Mexico | 224.5 mg/L | 2.7 ppt | 🔴 Very Hard | groundwater |
| Rio Rancho, New Mexico | 101 mg/L | 1.8 ppt | 🟡 Moderately Hard | groundwater |
| Albuquerque, New Mexico | 171.5 mg/L | 2.3 ppt | 🟠 Hard | groundwater |
National Benchmark
How Las Vegas compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Las Vegas | 184 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Las Vegas's Water Unique?
Local geology and source profile
Las Vegas, New Mexico, in San Miguel County — the San Miguel County seat adjacent to Pecos and Mora on the Gallinas River in northeast New Mexico — receives its water from the Las Vegas Water Department, drawing from the Gallinas River or local Sangre de Cristo aquifer (San Miguel County) through the northeast New Mexico distribution.
The hard 184 mg/L hardness and TDS of 461.1 mg/L reflect the northeast New Mexico San Miguel County supply's hard calcareous character — driven by the Permian San Andres Limestone and Sangre de Cristo calcareous sedimentary contacts in the high mountain valley aquifer, typical of the New Mexico Rocky Mountain Front Range communities on Permian carbonate platform aquifers. The Gallinas-Sangre de Cristo watershed at San Miguel County — Permian San Andres Limestone (calcareous — primary hardness contributor), Precambrian quartzite (insoluble — dilutant), and Triassic Moenkopi Formation (slightly calcareous — secondary contributor).
At 184 mg/L with TDS 461, Las Vegas NM's water is hard. A water softener is recommended to prevent scale buildup in appliances. A reverse osmosis system is advisable for drinking water. The PFAS level of 2.4 ppt is relatively low — warrants routine monitoring but no urgent filtration.
Geology & Source: Las Vegas in San Miguel County draws from the Las Vegas Water Department on the Gallinas River or local Precambrian Sangre de Cristo aquifer (San Miguel County, northeast New Mexico) — the Sangre de Cristo aquifer at San Miguel County is developed in Precambrian quartzite (insoluble) and Permian San Andres Limestone (calcareous) — New Mexico San Miguel County Gallinas-Sangre de Cristo Permian calcareous aquifer produces hard water at 184 mg/L with TDS 461.1 mg/L.