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Tap Water Quality Report

Tap water quality in North Las Vegas, Nevada

Served by NORTH LAS VEGAS UTILITIES. 376,515 residents.

Average score 57/100
Utilities 1
Population 376,515
Quick answer

Tap water in North Las Vegas, Nevada receives a grade of F (57/100) from TapWaterSafety.org. It's served by NORTH LAS VEGAS UTILITIES. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Arsenic significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in North Las Vegas's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving North Las Vegas.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 39.6 ppb, 659x above the EWG health guideline of 0.06 ppb.

Arsenic significantly above health guideline

Moderate concern

Arsenic detected at 1.8 ppb, 450x above the EWG health guideline of 0.004 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 50.3 ppb, 335x above the EWG health guideline of 0.15 ppb.

EPA compliance record

Official U.S. EPA records for NORTH LAS VEGAS UTILITIES (system ID NV0000175) for the last 3 years. Checked 2026-10-07.

No EPA violations in the last 3 years.
0 of 12quarters with a violation
Nolead above EPA action level
12/01/2025last state inspection

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Recommended filters for North Las Vegas

Filters matched to the specific contaminants in North Las Vegas's water supply.

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

All contaminants detected in North Las Vegas's tap water

Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
39.6 ppb 0.06 — — — — — 659× over
Arsenic
Heavy metal
1.8 ppb 0.004 10.0 10 10 0.004 — 450× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
50.3 ppb 0.15 80.0 100 — — — 335× over
Bromodichloromethane
Disinfection byproduct
16.5 ppb 0.06 — — — — — 275× over
Haloacetic acids (HAA5)
Disinfection byproduct
20.6 ppb 0.1 60.0 60 — — — 206× over
Dibromochloromethane
Disinfection byproduct
13.7 ppb 0.1 — — — — — 137× over
Dibromoacetic acid
Disinfection byproduct
3.32 ppb 0.03 — — — — — 111× over
Dichloroacetic acid
Disinfection byproduct
11.6 ppb 0.2 — — — — — 58× over
Trichloroacetic acid
Disinfection byproduct
5.36 ppb 0.1 — — — — — 54× over
Chloroform
Disinfection byproduct
17.9 ppb 0.4 — — — — — 45× over
Bromate*
Disinfection byproduct
4.04 ppb 0.1 10.0 10 10 0.1 — 40× over
Radium, combined (-226 and -228)
Radiological
1.0 pCi/L 0.05 5.0 — — — — 20× over
Chromium (hexavalent)
Heavy metal
0.192 ppb 0.02 — — — — — 9.6× over
Bromoform
Disinfection byproduct
2.15 ppb 0.5 — — — — — 4.3× over
Uranium
Radiological
1.37 pCi/L 0.43 20.0 30 30 0.43 — 3.2× over
Nitrate
Inorganic
0.176 ppm 0.14 10.0 11.3 11.3 10 — 1.3× over
Nitrate and nitrite
Inorganic
0.176 ppm 0.14 10.0 11.3 11.3 10 — 1.3× over
Perchlorate*
Disinfection byproduct
0.825 ppb 1.0 — — — — — Below guideline
Barium
Heavy metal
96.1 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Molybdenum
Other
3.11 ppb 40.0 — — — — — Below guideline
Selenium*
Heavy metal
2.1 ppb 30.0 50.0 20 40 30 — Below guideline
Chlorate
Disinfection byproduct
13.3 ppb 210.0 — — — — — Below guideline
Vanadium
Other
1.31 ppb 21.0 — — — — — Below guideline
Monobromoacetic acid
Disinfection byproduct
0.162 ppb 25.0 — — — — — Below guideline
Monochloroacetic acid
Disinfection byproduct
0.211 ppb 53.0 — — — — — Below guideline
Strontium
Radiological
1.04 ppb 1500.0 — — — — — Below guideline
Bromide*
Other
0.553 ppb — — — — — — Below guideline
Fluoride
Inorganic
0.703 ppm — 4.0 1.5 1.5 — — Below guideline
Lithium
Other
57.3 ppb — — — — — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from NORTH LAS VEGAS UTILITIES.

Treatment Plant

FacilityCHLORINATOR FOR CC FROM AMS TP AT SNWS

ZIP codes served

North Las Vegas's public water systems serve the following ZIP codes: