Is Tacna, AZ tap water safe?
The short answer
2 of the 2 utilities serving Tacna have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Cs Citrus Park Water Company and Cs Mohawk Utility Company.
Cs Citrus Park Water Company, which serves the most people here, has 2 results above the legal limit and 1 result above the health goal. The worst: Arsenic at 18.6 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 Tacna’s ZIP codes, from EPA’s estimates.
- Open report
Cs Citrus Park Water Company
Arizona · serves 102 people · under 100 in Tacna
2 results above the legal limit and 1 result above the health goal. The worst: Arsenic at 18.6 ppb, above the legal limit.
46 health-based violations since 2016
- Open report
Cs Mohawk Utility Company
Arizona · serves 243 people · under 100 in Tacna
2 results above the health goal. The worst: Lead at 4.3 ppb, above the health goal.
19 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 Cs Citrus Park Water Company’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, Fluoride, Lead
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, Fluoride, Lead
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, Fluoride, Lead
Water testing near Tacna
The 2 labs Arizona certifies closest to Tacna, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Fresh Terra Services, LLC.
Yuma, AZ · about 27 miles
Eurofins Microbiology Laboratories
Yuma, AZ · about 27 miles
Which ZIP codes are in Tacna: 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 Tacna
Other towns in Yuma County with a page of their own.
What to do next
- Read Cs Citrus Park Water Company’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