Is Show Low, AZ tap water safe?
The short answer
10 of the 15 utilities serving Show Low have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: City of Show Low, Voyager at White Mountain Lakes WC, White Mountain Water Company and 7 more.
City of Show Low, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 18.4 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 Show Low’s ZIP codes, from EPA’s estimates.
- Open report
City of Show Low
Arizona · serves 17,139 people · about 2,900 in Show Low
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 18.4 ppb, above EPA’s health benchmark.
1 health-based violation since 2016
- Open report
Voyager at White Mountain Lakes WC
Arizona · serves 1,997 people · about 300 in Show Low
1 result above the health goal. The worst: Arsenic at 1.6 ppb, above the health goal.
3 health-based violations since 2016
- Open report
Mountain Glen Water Servic Linden Trails
Arizona · serves 975 people · about 220 in Show Low
1 result above the health goal. The worst: Arsenic at 7.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
White Mountain Water Company
Arizona · serves 475 people · about 130 in Show Low
1 result above the health goal. The worst: Arsenic at 3.2 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Timberland Acres Dwid
Arizona · serves 922 people · about 100 in Show Low
2 results above the health goal. The worst: Lead at 13 ppb, above the health goal.
No health-based violations since 2016
- Open report
Cedar Grove Water Company
Arizona · serves 1,564 people · about 100 in Show Low
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
Navajo Water - Summer Pines
Arizona · serves 580 people · under 100 in Show Low
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Timberline MHP
Arizona · serves 350 people · under 100 in Show Low
2 results above the health goal. The worst: Arsenic at 2.6 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Navajo Water - Chaparral Pines
Arizona · serves 237 people · under 100 in Show Low
1 result above the legal limit. The worst: Arsenic at 12.4 ppb, above the legal limit.
1 health-based violation since 2016
- Open report
Watco Water
Arizona · serves 1,039 people · under 100 in Show Low
Nothing in its records is above a health goal.
1 health-based violation since 2016
5 more utilities in Show Low
By EPA’s estimate, each serves fewer people in Show Low than those above.
- Navajo Water - Laguna Estatesserves 89 people · under 100 in Show Low · no health-based violations since 2016
- Canyon Vista Estatesserves 68 people · under 100 in Show Low · 1 health-based violation since 2016
- Arizona Water Co - Lakesideserves 12,191 people · lists Show Low among the places it serves · no health-based violations since 2016
- Pinedale Estates Dwidserves 208 people · lists Show Low among the places it serves · 31 health-based violations since 2016
- Show Low Crossroads HOAserves 38 people · lists Show Low among the places it serves · 1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Show Low’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 Show Low
The 2 labs Arizona certifies closest to Show Low, 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 · under a mile
Mohave Environmental Labs
Holbrook, AZ · about 43 miles
ZIP codes in Show Low
Which ZIP codes are in Show Low: 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 Show Low
Other towns in Navajo County with a page of their own.
What to do next
- Read City of Show Low’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