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Tap water quality report

Glendale, AZ

EPA monitoring detected 25 contaminants across the 3 water suppliers serving Glendale. A detection doesn't automatically mean the water is unsafe — see the highest level found for each below, with its EPA source and period.

3
water suppliers
240,731
people served
25
contaminants found
Arizona rankings Lead in Arizona PFAS in Arizona

What was found in Glendale's water

The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
10000 µg/L 100%
of the EPA limit 10000 µg/L
 3/3 SYR4
Nitrate-Nitrite
9800 µg/L 98%
of the EPA limit 10000 µg/L
 3/3 SYR4
Copper
1656 µg/L 127%
of the EPA limit, in the worst sample — 1300 µg/L
 3/3 SYR4
Fluoride
1100 µg/L 28%
of the EPA limit 4000 µg/L
 3/3 SYR4
Chlorite
316 µg/L 32%
of the EPA limit 1000 µg/L
 1/3 SYR4
Barium
155 µg/L 7.8%
of the EPA limit 2000 µg/L
 3/3 SYR4
Lithium
130 µg/L
No EPA limit set
 2/3 UCMR-5
TTHM
101 µg/L 126%
of the EPA limit, in the worst sample — 80 µg/L
 3/3 SYR4
Chromium
39 µg/L 39%
of the EPA limit 100 µg/L
 3/3 SYR4
Total Haloacetic Acids (HAA5)
32.4 µg/L 54%
of the EPA limit 60 µg/L
 3/3 SYR4
Arsenic
10 µg/L 100%
of the EPA limit 10 µg/L
 3/3 SYR4
Selenium
8 µg/L 16%
of the EPA limit 50 µg/L
 1/3 SYR4
Lead
7.8 µg/L 52%
of the EPA limit 15 µg/L
 3/3 SYR4
Combined Uranium
5.1 µg/L 17%
of the EPA limit 30 µg/L
 1/3 SYR4
Gross Alpha, Excl. Radon And U
2.1 pCi/L 14%
of the EPA limit 15 pCi/L
 1/3 SYR4
Combined Radium (-226 And -228)
1.8 pCi/L 36%
of the EPA limit 5 pCi/L
 1/3 SYR4
Di(2-ethylhexyl) Phthalate
1.6 µg/L 27%
of the EPA limit 6 µg/L
 1/3 SYR4
Cadmium
1 µg/L 20%
of the EPA limit 5 µg/L
 1/3 SYR4
1,2-DIBROMO-3-CHLOROPROPANE
0.0690 µg/L 35%
of the EPA limit 0.2000 µg/L
 1/3 SYR4
Pfpea
0.0590 µg/L
No EPA limit set
 1/3 UCMR-5
Pfhxa
0.0520 µg/L
No EPA limit set
 1/3 UCMR-5
Pfba
0.0160 µg/L
No EPA limit set
 1/3 UCMR-5
PFBS
0.0117 µg/L
No EPA limit set
 1/3 UCMR-5
Pfhpa
0.0100 µg/L
No EPA limit set
 1/3 UCMR-5
Lead
0.0015 mg/L 10%
of the EPA limit 0.0150 mg/L
 3/3 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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Glendale

SupplierPopulation served
GLENDALE CITY OF 234,766
VALLEY UTILITIES WATER COMPANY GLENDALE 5,940
OLIVE AVENUE HOA 25

Frequently asked questions about Glendale tap water

Is Glendale tap water safe to drink?

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

How many water suppliers serve Glendale?

3 public water suppliers report drinking-water monitoring for Glendale, Arizona to the EPA. Each is listed above with its population served.

What contaminants are in Glendale's water?

The contaminants EPA monitoring detected in Glendale include Nitrate, Nitrate-Nitrite, Copper, Fluoride, Chlorite. The full list, with the highest level found and the data source, is in the table above.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.