Is Yuma, 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 Yuma.

19 public water systems serve parts of Yuma. The largest, City of Yuma, serves 103,264 people. Your water bill names your system.

Largest system

City of Yuma

103,264 people · Surface water · EPA ID AZ0414024

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: 1.1 ppb at the 90th percentile (Dec 2024, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 23

Full City of Yuma 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.

Yuma homes and lead pipes

35%

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

built before 1950 (Arizona 3%)

33%

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. 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 Yuma city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Yuma

Foothills Water and Sewer LLC
32,425 people · Surface water · Arizona · lists this city
Total trihalomethanes (TTHM) violationAlso: Lithium above screening level
USMC Yuma Main System
8,353 people · Surface water · Arizona · lists this city
Total trihalomethanes (TTHM) violationAlso: PFHxS detected · Lithium above screening level
Aspc Yuma Water System
4,197 people · Groundwater · Arizona · lists this city
Lithium above screening levelAlso: 1 health-based violation since 2016
Howard Cantonment Area Water System
1,500 people · Groundwater · Arizona · lists this city
Not in EPA's PFAS sample
Sierra Pacific Mobile Manor Water System
816 people · Groundwater · Arizona · lists this city
Arsenic violationsAlso: Coliform bacteria violation
Cs Tierra Mesa Estates Water Company
632 people · Groundwater · Arizona · lists this city
Uranium violationsAlso: Lithium above screening level

12 more systems

Laguna Mobile Home and RV Park Water System
450 people · Groundwater · Arizona · lists this city
Arsenic violations
Cs El Prado Water Company
404 people · Groundwater · Arizona · lists this city
Arsenic violationsAlso: Coliform bacteria violations
Fishers Landing Resort Water System
402 people · Surface water · Arizona · lists this city
Not in EPA's PFAS sampleAlso: 7 health-based violations since 2016
Lost Traveler RV Park Water System
200 people · Groundwater · Arizona · lists this city
Coliform bacteria violations
Sun Leisure Estates Improvement District
143 people · Groundwater · Arizona · lists this city
Uranium violations
Cs Rancheros Bonitos Water Company
120 people · Groundwater · Arizona · lists this city
Uranium violationsAlso: Coliform bacteria violations
Cs Green Acres Water Company
105 people · Groundwater · Arizona · lists this city
Arsenic violationsAlso: Coliform bacteria violation
G & L Mobile Park Water System
90 people · Groundwater · Arizona · lists this city
Coliform bacteria violations
Mountain View Mobile Village Water System
75 people · Groundwater · Arizona · lists this city
Coliform bacteria violation
River RV Ranch Water System
71 people · Groundwater · Arizona · lists this city
Coliform bacteria violation
Yuma West MHP
30 people · Groundwater · Arizona · lists this city
Coliform bacteria violation
Jones Coop Water Association
29 people · Groundwater · Arizona · lists this city
Arsenic violations

How nearby cities compare

City	Main water system	PFAS	Lead (90th pct.)
San Luis 12 mi City of San Luis	City of San Luis	None above limits	1 ppb
Buckeye 126 mi City of Buckeye – Valencia Town Division	City of Buckeye – Valencia Town Division	None above limits	0 ppb
Goodyear 135 mi Goodyear Water Department	Goodyear Water Department	Above limit	0 ppb
Lake Havasu City 137 mi City of Lake Havasu	City of Lake Havasu	None above limits	3.1 ppb
Avondale 139 mi City of Avondale	City of Avondale	Above limit	0 ppb
Surprise 144 mi EPCOR – Agua Fria	EPCOR – Agua Fria	None above limits	0 ppb

Yuma ZIP codes (1)

85364

Questions

Is Yuma tap water safe to drink?

City of Yuma had 23 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 Yuma, AZ?

19 public water systems serve parts of Yuma. The largest is City of Yuma (103,264 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Yuma tap water have PFAS?

None detected above EPA's reporting limits. City of Yuma 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 Yuma homes have lead pipes?

Census estimates put 35% of Yuma 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 Yuma'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.