Is Cottonwood, AZ tap water safe?
The short answer
8 of the 11 utilities serving Cottonwood have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Cottonwood Municipal Water Cw1, Cordes Lakes Water Company, Cottonwood Municipal Water Vv6 and 5 more.
Cottonwood Municipal Water Cw1, which serves the most people here, has 1 result above the legal limit and 1 result above EPA’s health benchmark. The worst: Arsenic at 7.3 ppb, above the legal limit.
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 Cottonwood’s ZIP codes, from EPA’s estimates.
- Open report
Cottonwood Municipal Water Cw1
Arizona · serves 11,288 people · about 3,800 in Cottonwood
1 result above the legal limit and 1 result above EPA’s health benchmark. The worst: Arsenic at 7.3 ppb, above the legal limit.
4 health-based violations since 2016
- Open report
Cordes Lakes Water Company
Arizona · serves 4,425 people · about 1,400 in Cottonwood
2 results above the health goal. The worst: Arsenic at 5.7 ppb, above the health goal.
4 health-based violations since 2016
- Open report
Cottonwood Municipal Water Vv6
Arizona · serves 4,518 people · about 930 in Cottonwood
1 result above the action level, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lead at 18 ppb, above the action level.
6 health-based violations since 2016
- Open report
Cottonwood Municipal Water Vv2
Arizona · serves 2,891 people · about 620 in Cottonwood
1 result above the health goal. The worst: Arsenic at 4.8 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Cottonwood Municipal Water Vv3
Arizona · serves 1,450 people · about 250 in Cottonwood
1 result above the health goal. The worst: Arsenic at 5.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Cottonwood Municipal Water Vv 1
Arizona · serves 783 people · about 160 in Cottonwood
1 result above the health goal. The worst: Arsenic at 5.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Verde Valley Manor
Arizona · serves 275 people · about 100 in Cottonwood
1 result above the health goal. The worst: Arsenic at 6.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
On the Greens
Arizona · serves 516 people · under 100 in Cottonwood
1 result above the legal limit. The worst: Arsenic at 10.3 ppb, above the legal limit.
3 health-based violations since 2016
- Open report
C - Oasis Park
Arizona · serves 54 people · nearly all in Cottonwood
1 result above the legal limit and 2 results above the health goal. The worst: Nitrate at 1.8 ppm, above the legal limit.
1 health-based violation since 2016
- Open report
Rio Verde Rv Park
Arizona · serves 90 people · under 100 in Cottonwood
1 result above the health goal. The worst: Lead at 6.3 ppb, above the health goal.
12 health-based violations since 2016
1 more utility in Cottonwood
By EPA’s estimate, each serves fewer people in Cottonwood than those above.
- Acme Water - Blue Hillsserves 138 people · lists Cottonwood 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 Cottonwood Municipal Water Cw1’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 Cottonwood
The 3 labs Arizona certifies closest to Cottonwood, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Inner Basin Environmental, LLC
Flagstaff, AZ · about 21 miles
Nortest Analytical
Flagstaff, AZ · about 21 miles
Mohave Environmental Labs
Holbrook, AZ · about 65 miles
Which ZIP codes are in Cottonwood: 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 Cottonwood
Other towns in Yavapai County with a page of their own.
What to do next
- Read Cottonwood Municipal Water Cw1’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