Winchester Water Hardness & Quality Report (2026)
Water Hardness
20.5 grains per gallon
Source
groundwater
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
1078.2 mg/L
Est. Daily Cost
$0.94
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 Winchester, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Winchester | 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 Winchester compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Winchester, Nevada | 351.5 mg/L | 3.9 ppt | 🔴 Very Hard | groundwater |
| Paradise, Nevada | 316.5 mg/L | 3.6 ppt | 🔴 Very Hard | groundwater |
| Las Vegas, Nevada | 253.5 mg/L | 3.2 ppt | 🔴 Very Hard | groundwater |
| North Las Vegas, Nevada | 233.5 mg/L | 3 ppt | 🔴 Very Hard | groundwater |
| Whitney, Nevada | 316 mg/L | 3.6 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Winchester compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Winchester | 351.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Winchester's Water Unique?
Local geology and source profile
Winchester, Nevada, in Clark County — a major Clark County Las Vegas suburban unincorporated community (Winchester is a significant Clark County unincorporated community — a central Las Vegas Valley suburb adjacent to the Las Vegas Strip and Paradise; Winchester is one of the primary residential communities surrounding the central Las Vegas Strip and Convention Center District; the Winchester–Paradise–Spring Valley cluster of unincorporated Clark County communities forms the most densely populated unincorporated urban area in the United States — the Las Vegas urban unincorporated communities collectively have more residents than many major US cities), home of the University of Nevada Las Vegas (UNLV) campus adjacent area and the Las Vegas Convention Center (one of the largest convention centers in the United States — the Las Vegas Convention Center hosts some of the most important trade shows, conventions, and major events in the world including CES, the Consumer Electronics Show), a diverse Clark County community with a significant Latino-American, African-American, and casino industry worker population — draws its municipal water supply via the Las Vegas Valley Water District. Water hardness in Winchester measures 351.5 mg/L — classified as extremely hard.
Winchester's extremely hard supply reflects the Las Vegas Valley closed-basin evaporite aquifer's highly calcareous character. The Las Vegas Valley Basin aquifer draws from the Quaternary calcareous alluvium (highly calcareous — dissolved carbonates from the Spring Mountains and Paleozoic carbonate bedrock). Very limited softening produces the extreme 351.5 mg/L.
At 351.5 mg/L, Winchester residents face severe hard water challenges. Water softeners and regular appliance descaling are essential. Las Vegas Valley Water District consistently delivers water meeting all Nevada NDEP and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Las Vegas Valley groundwater basin via the Las Vegas Valley Water District (SNWA) — the Clark County south Nevada Las Vegas metropolitan Winchester corridor (Paleozoic calcareous Las Vegas Formation carbonate and Quaternary calcareous Las Vegas Valley alluvium — the extremely calcareous south Nevada Las Vegas Valley closed-basin evaporite aquifer; very limited softening); extremely hard at 351.5 mg/L in Clark County.