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Tap water quality report

ZIP 85379 — Surprise, AZ

EPA monitoring across the 2 water suppliers serving ZIP 85379 in Surprise, AZ detected 26 contaminants. A detection doesn't automatically mean the water is unsafe — see the highest level found below, with the EPA limit for each.

2
water suppliers
167,725
people served
26
contaminants found

What was found in ZIP 85379

The highest level seen across the suppliers serving this ZIP, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
6450 µg/L 65%
of the EPA limit 10000 µg/L
 2/2 SYR4
Nitrate-Nitrite
6450 µg/L 65%
of the EPA limit 10000 µg/L
 2/2 SYR4
Fluoride
1990 µg/L 50%
of the EPA limit 4000 µg/L
 2/2 SYR4
Copper
896 µg/L 69%
of the EPA limit 1300 µg/L
 2/2 SYR4
Barium
140 µg/L 7%
of the EPA limit 2000 µg/L
 2/2 SYR4
TTHM
118 µg/L 148%
of the EPA limit, in the worst sample — 80 µg/L
 2/2 SYR4
Nitrite
100 µg/L 10%
of the EPA limit 1000 µg/L
 1/2 SYR4
Lithium
95.7 µg/L
No EPA limit set
 2/2 UCMR-5
Chromium
63 µg/L 63%
of the EPA limit 100 µg/L
 2/2 SYR4
Lead
60 µg/L 400%
of the EPA limit, in the worst sample — 15 µg/L
 2/2 SYR4
Xylenes, Total
53.2 µg/L 0.5%
of the EPA limit 10000 µg/L
 1/2 SYR4
Total Haloacetic Acids (HAA5)
39.9 µg/L 66%
of the EPA limit 60 µg/L
 2/2 SYR4
Dibromochloromethane
12.3 µg/L
No EPA limit set
 1/2 SYR4
Arsenic
10.8 µg/L 108%
of the EPA limit, in the worst sample — 10 µg/L
 2/2 SYR4
Combined Uranium
10 µg/L 33%
of the EPA limit 30 µg/L
 1/2 SYR4
Selenium
7.4 µg/L 15%
of the EPA limit 50 µg/L
 2/2 SYR4
Bromodichloromethane
7.3 µg/L
No EPA limit set
 1/2 SYR4
Ethylbenzene
7.2 µg/L 1%
of the EPA limit 700 µg/L
 1/2 SYR4
Gross Alpha, Excl. Radon And U
6.5 pCi/L 43%
of the EPA limit 15 pCi/L
 1/2 SYR4
Bromoform
5.6 µg/L
No EPA limit set
 1/2 SYR4
Gross Beta Particle Activity
4.7 pCi/L
No EPA limit set
 1/2 SYR4
Trichloroacetic Acid
2.4 µg/L
No EPA limit set
 1/2 SYR4
Combined Radium (-226 And -228)
2.1 pCi/L 42%
of the EPA limit 5 pCi/L
 2/2 SYR4
Dibromoacetic Acid
1.4 µg/L
No EPA limit set
 1/2 SYR4
Chloroform
0.9000 µg/L
No EPA limit set
 1/2 SYR4
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.

Water suppliers serving ZIP 85379

SupplierStatePopulation served
EPCOR - AGUA FRIA AZ 127,718
SURPRISE CITY OF - MOUNTAIN VISTA AZ 40,007

Frequently asked questions about ZIP 85379 tap water

Is the tap water in ZIP 85379 safe to drink?

EPA testing detected 26 contaminants across the water suppliers serving ZIP 85379. 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 85379?

2 public water suppliers report EPA drinking-water monitoring for ZIP 85379. Each is listed above with its population served.

What contaminants are in ZIP 85379's water?

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