Is Chandler, AZ tap water safe?

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

No federal limits exceeded in EPA data for City of Chandler. 4 PFAS were detected below the limits.

7 public water systems serve parts of Chandler. The largest, City of Chandler, serves 247,328 people. Your water bill names your system.

Largest system

City of Chandler

247,328 people · Surface water · EPA ID AZ0407090

Buys treated water from City of Tempe.

PFAS	Highest average	Limit	Status
PFOA Not detected	–	4 ppt	Not detected
PFOS Not detected	–	4 ppt	Not detected
PFHxS Not detected	–	10 ppt	Not detected
PFNA Not detected	–	10 ppt	Not detected
HFPO-DA (GenX) Not detected	–	10 ppt	Not 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: 1.4 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: 1

Full City of Chandler 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.

Chandler homes and lead pipes

10%

of homes built before 1980 (Arizona 29%, US 50%)

built before 1950 (Arizona 3%)

35%

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. City of Chandler publishes a service line inventory you can search by address. Look up your address. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

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

Other water systems serving Chandler

GRIC Dept. of Public Works Wild Horse Pass
22,795 people · Groundwater · Arizona · reported ZIPs here
Coliform bacteria violationAlso: Lithium above screening level
Pima Utilities
20,000 people · Groundwater · Arizona · lists this city
Coliform bacteria violationsAlso: Lithium above screening level
Chandler Heights Citrus Irrigation District
2,620 people · Groundwater · Arizona · lists this city
Not in EPA's PFAS sample
Peekaboo Water Coop
100 people · Groundwater · Arizona · lists this city
Arsenic violations
Gilbert Rigg Well Coop
95 people · Groundwater · Arizona · lists this city
Not in EPA's PFAS sample
Greenfield Ranchettes Water System
53 people · Groundwater · Arizona · lists this city
Arsenic violations

How nearby cities compare

City	Main water system	PFAS	Lead (90th pct.)
Gilbert 7 mi Town of Gilbert	Town of Gilbert	Above limit	0 ppb
Tempe 9 mi City of Tempe	City of Tempe	Above limit	4.4 ppb
Mesa 11 mi City of Mesa	City of Mesa	None above limits	5.01 ppb
Queen Creek 14 mi Town of Queen Creek	Town of Queen Creek	None above limits	0 ppb
Maricopa 19 mi Global Water – Santa Cruz Water Company	Global Water – Santa Cruz Water Company	None above limits	0 ppb
Apache Junction 20 mi Arizona Water Company – Apache Junction	Arizona Water Company – Apache Junction	None above limits	0 ppb

Chandler ZIP codes (6)

85224
85225
85226
85248
85249
85286

Questions

Is Chandler tap water safe to drink?

City of Chandler had 1 health-based violation 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 Chandler, AZ?

7 public water systems serve parts of Chandler. The largest is City of Chandler (247,328 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Chandler tap water have PFAS?

City of Chandler had 4 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Chandler homes have lead pipes?

Census estimates put 10% of Chandler 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. City of Chandler'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.