Tap WaterIndex

← San Jose, CA

Tap water quality report

ZIP 95037 — San Jose, CA

EPA monitoring across the 2 water suppliers serving ZIP 95037 in San Jose, CA detected 31 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
157,462
people served
31
contaminants found

What was found in ZIP 95037

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
1000000 µg/L 10000%
of the EPA limit, in the worst sample — 10000 µg/L
 2/2 SYR4
Nitrate
7600 µg/L 76%
of the EPA limit 10000 µg/L
 2/2 SYR4
Lead
1000 µg/L 6667%
of the EPA limit, in the worst sample — 15 µg/L
 1/2 SYR4
Nitrite
400 µg/L 40%
of the EPA limit 1000 µg/L
 1/2 SYR4
Fluoride
260 µg/L 6.5%
of the EPA limit 4000 µg/L
 2/2 SYR4
Barium
188 µg/L 9.4%
of the EPA limit 2000 µg/L
 2/2 SYR4
Chloroform
39.24 µg/L
No EPA limit set
 1/2 SYR4
TTHM
39.24 µg/L 49%
of the EPA limit 80 µg/L
 2/2 SYR4
Lithium
25.5 µg/L
No EPA limit set
 2/2 UCMR-5
Chromium
18 µg/L 18%
of the EPA limit 100 µg/L
 1/2 SYR4
Bromoform
15.53 µg/L
No EPA limit set
 2/2 SYR4
Copper
12 µg/L 0.9%
of the EPA limit 1300 µg/L
 1/2 SYR4
Antimony, Total
9.9 µg/L 165%
of the EPA limit, in the worst sample — 6 µg/L
 1/2 SYR4
Total Haloacetic Acids (HAA5)
8.8 µg/L 15%
of the EPA limit 60 µg/L
 2/2 SYR4
Dichloroacetic Acid
4.7 µg/L
No EPA limit set
 1/2 SYR4
Gross Beta Particle Activity
4.7 pCi/L
No EPA limit set
 2/2 SYR4
Dibromochloromethane
4.1 µg/L
No EPA limit set
 2/2 SYR4
Dibromoacetic Acid
3.3 µg/L
No EPA limit set
 2/2 SYR4
Bromodichloromethane
2.13 µg/L
No EPA limit set
 2/2 SYR4
Arsenic
2 µg/L 20%
of the EPA limit 10 µg/L
 1/2 SYR4
Selenium
2 µg/L 4%
of the EPA limit 50 µg/L
 1/2 SYR4
Mercury
1.9 µg/L 95%
of the EPA limit 2 µg/L
 1/2 SYR4
Trichloroacetic Acid
1.8 µg/L
No EPA limit set
 1/2 SYR4
1,1,1-Trichloroethane
1.7 µg/L 0.9%
of the EPA limit 200 µg/L
 1/2 SYR4
Combined Uranium
0.5662 µg/L 1.9%
of the EPA limit 30 µg/L
 1/2 SYR4
Asbestos
0.1900 MFL 2.7%
of the EPA limit 7 MFL
 1/2 SYR4
PFHXS
0.0080 µg/L
No EPA limit set
 2/2 UCMR-5
Pfpea
0.0047 µg/L
No EPA limit set
 2/2 UCMR-5
PFOS
0.0046 µg/L
No EPA limit set
 1/2 UCMR-5
Pfhxa
0.0045 µg/L
No EPA limit set
 2/2 UCMR-5
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 95037

SupplierStatePopulation served
GREAT OAKS WC INC CA 110,088
CITY OF MORGAN HILL CA 47,374

Frequently asked questions about ZIP 95037 tap water

Is the tap water in ZIP 95037 safe to drink?

EPA testing detected 31 contaminants across the water suppliers serving ZIP 95037. 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 95037?

2 public water suppliers report EPA drinking-water monitoring for ZIP 95037. Each is listed above with its population served.

What contaminants are in ZIP 95037's water?

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