Is Vernon, AZ tap water safe?
The short answer
3 of the 7 utilities serving Vernon have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Cedar Grove Water Company, Vernon Dwid and Vernon Valley Water System.
Lord AZ Water 2 - Winchester Trails, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 3.0 ppb, above the health goal. 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 Vernon’s ZIP codes, from EPA’s estimates.
- Open report
Lord AZ Water 2 - Winchester Trails
Arizona · serves 1,289 people · under 100 in Vernon
1 result above the health goal. The worst: Arsenic at 3.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Cedar Grove Water Company
Arizona · serves 1,564 people · under 100 in Vernon
2 results above the health goal. The worst: Arsenic at 2.3 ppb, above the health goal.
2 health-based violations since 2016
- Open report
Timber Knoll Dwid
Arizona · serves 153 people · under 100 in Vernon
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Vernon Dwid
Arizona · serves 100 people · under 100 in Vernon
Nothing in its records is above a health goal.
1 health-based violation since 2016
- Open report
Vernon Valley Water System
Arizona · serves 54 people · under 100 in Vernon
1 result above the health goal. The worst: Lead at 2.0 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Show Low Pines Well 3
Arizona · serves 57 people · lists Vernon among the places it serves
1 result above the health goal. The worst: Arsenic at 8.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Ojo Bonito Estates Dwid
Arizona · serves 54 people · lists Vernon among the places it serves
1 result above the health goal. The worst: Arsenic at 2.2 ppb, above the health goal.
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 Lord AZ Water 2 - Winchester Trails’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
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: 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: Arsenic
Water testing near Vernon
The 2 labs Arizona certifies closest to Vernon, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Sacred Water Testing LLC
Show Low, AZ · about 20 miles
Mohave Environmental Labs
Holbrook, AZ · about 53 miles
ZIP codes in Vernon
Which ZIP codes are in Vernon: 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: Arizona Department of Health Services, Arizona certified commercial drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Vernon
Other towns in Apache County with a page of their own.
What to do next
- Read Lord AZ Water 2 - Winchester Trails’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water