Tap Water Results

Is Apache Junction, AZ tap water safe?

Data: U.S. EPA · How we read the data · How we check it

Summary

No federal limits exceeded in EPA data for Arizona Water Company – Apache Junction.

4 public water systems serve parts of Apache Junction. The largest, Arizona Water Company – Apache Junction, serves 62,055 people. Your water bill names your system.

Largest system

Arizona Water Company – Apache Junction

62,055 people · Groundwater · EPA ID AZ0411004

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 0 ppb at the 90th percentile (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Full Arizona Water Company – Apache Junction results

Across Arizona, 21 of 159 water systems EPA tested had PFAS above a 2024 federal limit, and 10 systems were above the lead action level in results from the last five years. Arizona results.

Apache Junction homes and lead pipes

20%
of homes built before 1980 (Arizona 29%, US 50%)
2%
built before 1950 (Arizona 3%)
21%
of households rent (Arizona 33%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Apache Junction city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Apache Junction

  • Apache Junction Water District
    15,610 people · Surface water · Arizona · lists this city
    Total trihalomethanes (TTHM) violationsAlso: Lithium above screening level
  • Arizonian RV Resort Water System
    225 people · Groundwater · Arizona · lists this city
    Not in EPA's PFAS sampleAlso: 4 health-based violations since 2016
  • Northern Section 4 Coop Water System
    48 people · Groundwater · Arizona · lists this city
    Nitrate violations

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Mesa 10 mi
City of Mesa
City of MesaNone above limits5.01 ppb
Queen Creek 12 mi
Town of Queen Creek
Town of Queen CreekNone above limits0 ppb
Gilbert 13 mi
Town of Gilbert
Town of GilbertAbove limit0 ppb
Chandler 20 mi
City of Chandler
City of ChandlerNone above limits1.4 ppb
Tempe 23 mi
City of Tempe
City of TempeAbove limit4.4 ppb
Florence 24 mi
Florence Water Company
Florence Water CompanyNone above limits0 ppb
Apache Junction ZIP codes (2)
  • 85119
  • 85120

Questions

Is Apache Junction tap water safe to drink?

Arizona Water Company – Apache Junction has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Apache Junction, AZ?

4 public water systems serve parts of Apache Junction. The largest is Arizona Water Company – Apache Junction (62,055 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Apache Junction tap water have PFAS?

None detected above EPA's reporting limits. Arizona Water Company – Apache Junction had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do Apache Junction homes have lead pipes?

Census estimates put 20% of Apache Junction homes as built before 1980 (Arizona: 29%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Arizona Water Company – Apache Junction's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.