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City water profile

Las Vegas water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Las Vegas, Nevada.

Median indexed hardness

287PPM

18 indexed ZIPs

Range 274–287 PPM

State comparison
60 PPM above
State hardness rank
#9 of 44
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Las Vegas has 18 published ZIP profiles across Clark County. The indexed median is 287 PPM, compared with 227 PPM across Nevada.

Among the 44 Nevadacities with an indexed median, Las Vegas ranks #9from highest to lowest. Across all 98 state ZIP profiles, available estimates run from 9.6to 335 PPM.

The 274–287 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard18 ZIPs

18 of 18 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
11.9 miles
Profiles with evidence
18/18

Confidence labels

High: 0Moderate: 18Low: 0

Observation window: Feb 11, 2016 to Aug 25, 2022.

ZIP directory

Water reports in Las Vegas

Open a ZIP for site-level provenance and measurements.

ZIP code

89101

Very Hard

280.5 PPM

Nearest site
17.4 mi
Confidence
Moderate

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ZIP code

89102

Very Hard

287 PPM

Nearest site
14 mi
Confidence
Moderate

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ZIP code

89104

Very Hard

280.5 PPM

Nearest site
18.2 mi
Confidence
Moderate

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ZIP code

89106

Very Hard

274 PPM

Nearest site
15.2 mi
Confidence
Moderate

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ZIP code

89107

Very Hard

287 PPM

Nearest site
12.6 mi
Confidence
Moderate

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ZIP code

89108

Very Hard

274 PPM

Nearest site
11.9 mi
Confidence
Moderate

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ZIP code

89117

Very Hard

287 PPM

Nearest site
9 mi
Confidence
Moderate

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ZIP code

89128

Very Hard

287 PPM

Nearest site
9.5 mi
Confidence
Moderate

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ZIP code

89129

Very Hard

287 PPM

Nearest site
8.8 mi
Confidence
Moderate

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ZIP code

89130

Very Hard

274 PPM

Nearest site
12.6 mi
Confidence
Moderate

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ZIP code

89131

Very Hard

274 PPM

Nearest site
13.7 mi
Confidence
Moderate

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ZIP code

89134

Very Hard

287 PPM

Nearest site
7.2 mi
Confidence
Moderate

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ZIP code

89138

Very Hard

287 PPM

Nearest site
4.1 mi
Confidence
Moderate

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ZIP code

89143

Very Hard

274 PPM

Nearest site
12.5 mi
Confidence
Moderate

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ZIP code

89144

Very Hard

287 PPM

Nearest site
6.4 mi
Confidence
Moderate

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ZIP code

89145

Very Hard

287 PPM

Nearest site
8.9 mi
Confidence
Moderate

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ZIP code

89149

Very Hard

274 PPM

Nearest site
10 mi
Confidence
Moderate

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ZIP code

89166

Very Hard

287 PPM

Nearest site
11 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Las Vegas Valley Water District

PWSID NV0000090

Surface water
System population served
1,539,277
Last reported
Jun 17, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

No violation records are included in the current lookback window.

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Las Vegas

Is the water hard?

The indexed city median is 287 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.