Is Picacho, AZ tap water safe?
The short answer
3 of the 3 utilities serving Picacho 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 Eloy, Picacho Dwid and Picacho Peak Water Company.
City of Eloy, which serves the most people here, has 1 result above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Nitrate at 9.0 ppm, 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 Picacho’s ZIP codes, from EPA’s estimates.
- Open report
City of Eloy
Arizona · serves 8,999 people · under 100 in Picacho
1 result above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Nitrate at 9.0 ppm, above the legal limit.
3 health-based violations since 2016
- Open report
Picacho Dwid
Arizona · serves 285 people · under 100 in Picacho
1 result above the legal limit and 1 result above the health goal. The worst: Arsenic at 5.6 ppb, above the legal limit.
4 health-based violations since 2016
- Open report
Picacho Peak Water Company
Arizona · serves 55 people · lists Picacho among the places it serves
1 result above the legal limit and 2 results above the health goal. The worst: Nitrate at 2.3 ppm, above the legal limit.
7 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 Eloy’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: Nitrate, Arsenic, 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: Nitrate, Arsenic, Lead
Culligan 10-Cup Pitcher with ZeroWater Technology (ZEROP10)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Nitrate, Lead
Water testing near Picacho
The 3 labs Arizona certifies closest to Picacho, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Turner Laboratories, Inc.
Tucson, AZ · about 46 miles
Complete Analytical Services, LLC
Tucson, AZ · about 46 miles
Legend Technical Services of Arizona, Inc. DBA Legend Analytical
Tucson, AZ · about 46 miles
Which ZIP codes are in Picacho: 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 Picacho
Other towns in Pinal County with a page of their own.
What to do next
- Read City of Eloy’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for NitrateRanked 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