Metals · 2023

Arsenic in Las Vegas, NV tap water

Within the federal limit· 0.2× the limit

Las Vegas, NV's 2023 Arsenic measurement is below the federal limit of 10 ug/L (MCL).

The measurement

StatisticValue
Minimum
Las Vegas Valley Water District Groundwater (Wells)
0.77 ug/L
Maximum
Las Vegas Valley Water District Groundwater (Wells)
4 ug/L
Minimum
Alfred Merritt Smith Water Treatment Facility
1.4 ug/L
Maximum
Alfred Merritt Smith Water Treatment Facility
1.8 ug/L
Average
Alfred Merritt Smith Water Treatment Facility
1.6 ug/L
Minimum
River Mountains Water Treatment Facility
1.7 ug/L
Maximum
River Mountains Water Treatment Facility
2 ug/L
Average
River Mountains Water Treatment Facility
1.9 ug/L

Verbatim from Las Vegas, NV's 2023 Consumer Confidence Report — source document ↗

About Arsenic

A naturally occurring element that also enters water from industry and agriculture.

A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.

How Las Vegas, NV compares

Nearby systems also reporting Arsenic:

People also ask

+Is there Arsenic in Las Vegas, NV tap water?

Yes — Las Vegas, NV's 2023 Consumer Confidence Report lists Arsenic at 1.9 ug/L. Las Vegas, NV's 2023 Arsenic measurement is below the federal limit of 10 ug/L (MCL).

+What's the federal limit for Arsenic in drinking water?

The federal MCL for Arsenic is 10 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Arsenic?

A naturally occurring element that also enters water from industry and agriculture. A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.

+Where does this Arsenic measurement come from?

This page reproduces the Arsenic entry from the 2023 Consumer Confidence Report published by the Las Vegas, NV water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/nv/las-vegas/2023/source.

Full report
All Las Vegas, NV water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Arsenic across the U.S. →
Every public water system measuring Arsenic, ranked.