Is Henderson, NV tap water safe?
The short answer
Neither of the 2 utilities serving Henderson has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s records.
City of Henderson, which serves the most people here, has 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 57.8 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Henderson’s ZIP codes, from EPA’s estimates.
- Open report
City of Henderson
Nevada · serves 336,534 people · about 266,000 in Henderson
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 57.8 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Las Vegas Valley Water District
Nevada · serves 1.5 million people · about 11,100 in Henderson
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 43.3 ppb, above EPA’s health benchmark. Hardness: very hard, 280 mg/L (16.4 grains per gallon).
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Henderson’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Water testing near Henderson
The 3 labs Nevada certifies closest to Henderson, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Veritas Laboratories
Las Vegas, NV · about 6 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, disinfection byproducts
EFFEX Analytical Services
Las Vegas, NV · about 6 miles
Certified for bacteria, nitrate, metals, minerals and other inorganics
Silver State Analytical Laboratories - Las Vegas
Las Vegas, NV · about 6 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, disinfection byproducts, radioactivity
Which ZIP codes are in Henderson: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: NDEP Laboratory Approval Status, drinking water parameters; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Henderson
Other towns in Clark County with a page of their own.
What to do next
- Read City of Henderson’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water