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Tap water quality report

ZIP 85120 — Apache Junction, AZ

EPA monitoring across the 2 water suppliers serving ZIP 85120 in Apache Junction, AZ detected 25 contaminants. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier below, with the EPA limit for each.

2
water suppliers
77,665
people served
25
contaminants found

What was found in ZIP 85120

The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
1753 µg/L 18%
of the EPA limit 10000 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2019
2/2 SYR4
Nitrate-Nitrite
1739 µg/L 17%
of the EPA limit 10000 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2018
2/2 SYR4
Fluoride
837.5 µg/L 21%
of the EPA limit 4000 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2018
2/2 SYR4
Lithium
796 µg/L
No EPA limit set
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2024
2/2 UCMR-5
Chlorite
515 µg/L 52%
of the EPA limit 1000 µg/L
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Copper
273.9 µg/L 21%
of the EPA limit 1300 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2019
2/2 SYR4
Barium
56.75 µg/L 2.8%
of the EPA limit 2000 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2018
Highest in the ZIP: 130 µg/L — APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
2/2 SYR4
TTHM
34.775 µg/L 43%
of the EPA limit 80 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2019
Highest in the ZIP: 90.57 µg/L — APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
2/2 SYR4
Chloroform
29.04 µg/L
No EPA limit set
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Total Haloacetic Acids (HAA5)
9.68 µg/L 16%
of the EPA limit 60 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2019
Highest in the ZIP: 26.2 µg/L — APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
2/2 SYR4
Bromodichloromethane
20.06 µg/L
No EPA limit set
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Dibromochloromethane
17.42 µg/L
No EPA limit set
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Lead
6.375 µg/L 43%
of the EPA limit 15 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2019
Highest in the ZIP: 15 µg/L — APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
2/2 SYR4
Dichloroacetic Acid
11.825 µg/L
No EPA limit set
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Xylenes, Total
10.6 µg/L 0.1%
of the EPA limit 10000 µg/L
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Chromium
9 µg/L 9%
of the EPA limit 100 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2018
1/2 SYR4
Trichloroacetic Acid
8.575 µg/L
No EPA limit set
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Arsenic
7.78 µg/L 78%
of the EPA limit 10 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2019
2/2 SYR4
Toluene
6.04 µg/L 0.6%
of the EPA limit 1000 µg/L
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Selenium
5.7 µg/L 11%
of the EPA limit 50 µg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2018
2/2 SYR4
Bromoform
4.48 µg/L
No EPA limit set
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Dibromoacetic Acid
4.025 µg/L
No EPA limit set
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Ethylbenzene
2.245 µg/L 0.3%
of the EPA limit 700 µg/L
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2019
1/2 SYR4
Combined Radium (-226 And -228)
0.4000 pCi/L 8%
of the EPA limit 5 pCi/L
Highest in the ZIP: APACHE JUNCTION WATER DISTRICT · 15,610 people · 2016
1/2 SYR4
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
Main supplier: ARIZONA WATER CO - APACHE JUNCTION · 62,055 people · 2025
2/2 LCR
Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.

Water suppliers serving ZIP 85120

SupplierStatePopulation served
ARIZONA WATER CO - APACHE JUNCTION AZ 62,055
APACHE JUNCTION WATER DISTRICT AZ 15,610

Frequently asked questions about ZIP 85120 tap water

Is the tap water in ZIP 85120 safe to drink?

EPA testing detected 25 contaminants across the water suppliers serving ZIP 85120. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.

Which water suppliers serve ZIP 85120?

2 public water suppliers report EPA drinking-water monitoring for ZIP 85120. Each is listed above with its population served.

What contaminants are in ZIP 85120's water?

EPA monitoring detected Nitrate, Nitrate-Nitrite, Fluoride, Lithium, Chlorite, and others across this ZIP's suppliers. The full list with levels and sources is above.