Tap WaterIndex

← Ventura, CA

Tap water quality report

ZIP 93003 — Ventura, CA

EPA monitoring across the 2 water suppliers serving ZIP 93003 in Ventura, CA detected 29 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
124,505
people served
29
contaminants found

What was found in ZIP 93003

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
14938.6 µg/L 149%
of the EPA limit, in the worst sample — 10000 µg/L
 2/2 SYR4
Fluoride
7150 µg/L 179%
of the EPA limit, in the worst sample — 4000 µg/L
 2/2 SYR4
Lead
170 µg/L 1133%
of the EPA limit, in the worst sample — 15 µg/L
 2/2 SYR4
TTHM
142 µg/L 178%
of the EPA limit, in the worst sample — 80 µg/L
 2/2 SYR4
Lithium
140 µg/L
No EPA limit set
 2/2 UCMR-5
Barium
134 µg/L 6.7%
of the EPA limit 2000 µg/L
 2/2 SYR4
Chloroform
92.2 µg/L
No EPA limit set
 2/2 SYR4
Total Haloacetic Acids (HAA5)
75 µg/L 125%
of the EPA limit, in the worst sample — 60 µg/L
 2/2 SYR4
Copper
67 µg/L 5.2%
of the EPA limit 1300 µg/L
 2/2 SYR4
Selenium
44 µg/L 88%
of the EPA limit 50 µg/L
 2/2 SYR4
Dichloroacetic Acid
39 µg/L
No EPA limit set
 2/2 SYR4
Trichloroacetic Acid
38 µg/L
No EPA limit set
 2/2 SYR4
Bromodichloromethane
37 µg/L
No EPA limit set
 2/2 SYR4
Dibromochloromethane
28 µg/L
No EPA limit set
 2/2 SYR4
Bromoform
26.8 µg/L
No EPA limit set
 2/2 SYR4
Combined Uranium
26.522 µg/L 88%
of the EPA limit 30 µg/L
 1/2 SYR4
Dibromoacetic Acid
20.7 µg/L
No EPA limit set
 2/2 SYR4
Chromium
14 µg/L 14%
of the EPA limit 100 µg/L
 2/2 SYR4
Monobromoacetic Acid
7.92 µg/L
No EPA limit set
 2/2 SYR4
Monochloroacetic Acid
7 µg/L
No EPA limit set
 2/2 SYR4
Arsenic
5 µg/L 50%
of the EPA limit 10 µg/L
 2/2 SYR4
Gross Beta Particle Activity
4.55 pCi/L
No EPA limit set
 2/2 SYR4
Nitrite
0.7600 µg/L 0.1%
of the EPA limit 1000 µg/L
 1/2 SYR4
Cadmium
0.3000 µg/L 6%
of the EPA limit 5 µg/L
 1/2 SYR4
Mercury
0.0400 µg/L 2%
of the EPA limit 2 µg/L
 1/2 SYR4
PFBS
0.0031 µg/L
No EPA limit set
 1/2 UCMR-5
PFHXS
0.0030 µg/L
No EPA limit set
 1/2 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 93003

SupplierStatePopulation served
VENTURA WATER DEPARTMENT CA 113,500
CASITAS MUNICIPAL WATER DIST CA 11,005

Frequently asked questions about ZIP 93003 tap water

Is the tap water in ZIP 93003 safe to drink?

EPA testing detected 29 contaminants across the water suppliers serving ZIP 93003. 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 93003?

2 public water suppliers report EPA drinking-water monitoring for ZIP 93003. Each is listed above with its population served.

What contaminants are in ZIP 93003's water?

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