Is Buckeye, AZ tap water safe?
The short answer
5 of the 15 utilities serving Buckeye have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Epcor - Agua Fria, Aspc Lewis Complex Water System, Clearwater Utility Company Inc and 2 more.
City of Buckeye - Valencia Town Division, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 468 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 Buckeye’s ZIP codes, from EPA’s estimates.
- Open report
City of Buckeye - Valencia Town Division
Arizona · serves 30,377 people · about 10,500 in Buckeye
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 468 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Epcor - Agua Fria
Arizona · serves 128,040 people · about 10,200 in Buckeye
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 95.7 ppb, above EPA’s health benchmark.
2 health-based violations since 2016
- Open report
City of Buckeye Sonora - Sundance
Arizona · serves 21,405 people · about 8,500 in Buckeye
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 253 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Festival Ranch
Arizona · serves 10,313 people · about 4,800 in Buckeye
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 27 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
City of Buckeye Tartesso Water System
Arizona · serves 10,123 people · about 4,700 in Buckeye
2 results above the health goal. The worst: Arsenic at 8.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Arizona Water Co - White Tanks
Arizona · serves 18,858 people · about 4,300 in Buckeye
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 246 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
City of Buckeye
Arizona · serves 7,998 people · about 2,900 in Buckeye
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 91 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Aspc Lewis Complex Water System
Arizona · serves 4,300 people · about 1,900 in Buckeye
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 281 ppb, above EPA’s health benchmark.
3 health-based violations since 2016
- Open report
Clearwater Utility Company Inc
Arizona · serves 2,747 people · about 1,400 in Buckeye
1 result above the legal limit and 1 result above the health goal. The worst: Arsenic at 7.1 ppb, above the legal limit.
2 health-based violations since 2016
- Open report
Vwc Buckeye Division Sun Valley
Arizona · serves 1,378 people · about 970 in Buckeye
1 result above the health goal. The worst: Arsenic at 8.0 ppb, above the health goal.
1 health-based violation since 2016
5 more utilities in Buckeye
By EPA’s estimate, each serves fewer people in Buckeye than those above.
- Vwc Buckeye Div Bulfer Primroseserves 280 people · about 160 in Buckeye · no health-based violations since 2016
- Buckeye Estatesserves 300 people · about 110 in Buckeye · 1 health-based violation since 2016
- Triple G Dairyserves 84 people · under 100 in Buckeye · no health-based violations since 2016
- Buckeye Acres MHPserves 71 people · under 100 in Buckeye · no health-based violations since 2016
- Hopeville Water Systemserves 89 people · under 100 in Buckeye · 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 City of Buckeye - Valencia Town Division’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 Buckeye
The 3 labs Arizona certifies closest to Buckeye, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Legend Technical Services of Arizona, Inc. DBA Legend Analytical
Phoenix, AZ · about 33 miles
Motzz Laboratory, Inc.
Phoenix, AZ · about 33 miles
Alliance Technical Group, LLC – Phoenix
Phoenix, AZ · about 33 miles
Which ZIP codes are in Buckeye: 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 Buckeye
Other towns in Maricopa County with a page of their own.
What to do next
- Read City of Buckeye - Valencia Town Division’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