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Tap water quality report

ZIP 92660 — Irvine, CA

EPA monitoring across the 4 water suppliers serving ZIP 92660 in Irvine, CA detected 30 contaminants. A detection doesn't automatically mean the water is unsafe — see the highest level found below, with the EPA limit for each.

4
water suppliers
709,434
people served
30
contaminants found

What was found in ZIP 92660

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-Nitrite
980000 µg/L 9800%
of the EPA limit, in the worst sample — 10000 µg/L
3/4 SYR4
Nitrate
14012 µg/L 140%
of the EPA limit, in the worst sample — 10000 µg/L
3/4 SYR4
Fluoride
1580 µg/L 40%
of the EPA limit 4000 µg/L
3/4 SYR4
Nitrite
550 µg/L 55%
of the EPA limit 1000 µg/L
1/4 SYR4
Barium
147 µg/L 7.4%
of the EPA limit 2000 µg/L
1/4 SYR4
TTHM
72.8 µg/L 91%
of the EPA limit 80 µg/L
4/4 SYR4
Lithium
67.2 µg/L
No EPA limit set
4/4 UCMR-5
Total Haloacetic Acids (HAA5)
52 µg/L 87%
of the EPA limit 60 µg/L
4/4 SYR4
Monochloroacetic Acid
44 µg/L
No EPA limit set
3/4 SYR4
Chloroform
40.5 µg/L
No EPA limit set
4/4 SYR4
Dichloroacetic Acid
27 µg/L
No EPA limit set
4/4 SYR4
Bromoform
25 µg/L
No EPA limit set
4/4 SYR4
Dibromochloromethane
25 µg/L
No EPA limit set
4/4 SYR4
Xylenes, Total
22.4 µg/L 0.2%
of the EPA limit 10000 µg/L
1/4 SYR4
Bromodichloromethane
22.3 µg/L
No EPA limit set
4/4 SYR4
Selenium
21.5 µg/L 43%
of the EPA limit 50 µg/L
1/4 SYR4
Combined Uranium
16.688 µg/L 56%
of the EPA limit 30 µg/L
3/4 SYR4
Trichloroacetic Acid
11.6 µg/L
No EPA limit set
4/4 SYR4
Arsenic
10.8 µg/L 108%
of the EPA limit, in the worst sample — 10 µg/L
3/4 SYR4
Dibromoacetic Acid
10 µg/L
No EPA limit set
4/4 SYR4
Ethylbenzene
9.05 µg/L 1.3%
of the EPA limit 700 µg/L
1/4 SYR4
Gross Beta Particle Activity
5.43 pCi/L
No EPA limit set
2/4 SYR4
Monobromoacetic Acid
5.36 µg/L
No EPA limit set
4/4 SYR4
Combined Radium (-226 And -228)
0.6730 pCi/L 13%
of the EPA limit 5 pCi/L
2/4 SYR4
Tetrachloroethylene
0.5000 µg/L 10%
of the EPA limit 5 µg/L
1/4 SYR4
Pfba
0.0079 µg/L
No EPA limit set
1/4 UCMR-5
Pfpea
0.0047 µg/L
No EPA limit set
2/4 UCMR-5
PFHXS
0.0034 µg/L
No EPA limit set
1/4 UCMR-5
PFBS
0.0030 µg/L
No EPA limit set
1/4 UCMR-5
Lead
0.0013 mg/L 8.7%
of the EPA limit 0.0150 mg/L
4/4 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 92660

SupplierStatePopulation served
IRVINE RANCH WATER DISTRICT CA 444,800
MESA WATER DISTRICT CA 110,000
WESTERN MWD CA 86,062
CITY OF NEWPORT BEACH CA 68,572

Frequently asked questions about ZIP 92660 tap water

Is the tap water in ZIP 92660 safe to drink?

EPA testing detected 30 contaminants across the water suppliers serving ZIP 92660. 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 92660?

4 public water suppliers report EPA drinking-water monitoring for ZIP 92660. Each is listed above with its population served.

What contaminants are in ZIP 92660's water?

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