What was found in Ventura's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate-Nitrite | 1000000 µg/L 10000% of the EPA limit, in the worst sample — 10000 µg/L | 2/3 | SYR4 |
| Nitrate | 91078 µg/L 911% of the EPA limit, in the worst sample — 10000 µg/L | 2/3 | SYR4 |
| Fluoride | 7150 µg/L 179% of the EPA limit, in the worst sample — 4000 µg/L | 2/3 | SYR4 |
| Lead | 170 µg/L 1133% of the EPA limit, in the worst sample — 15 µg/L | 2/3 | SYR4 |
| TTHM | 142 µg/L 178% of the EPA limit, in the worst sample — 80 µg/L | 3/3 | SYR4 |
| Lithium | 140 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Total Haloacetic Acids (HAA5) | 69 µg/L 115% of the EPA limit, in the worst sample — 60 µg/L | 3/3 | SYR4 |
| Copper | 67 µg/L 5.2% of the EPA limit 1300 µg/L | 2/3 | SYR4 |
| Chloroform | 60.6 µg/L No EPA limit set | 3/3 | SYR4 |
| Barium | 49.5 µg/L 2.5% of the EPA limit 2000 µg/L | 2/3 | SYR4 |
| Selenium | 48 µg/L 96% of the EPA limit 50 µg/L | 2/3 | SYR4 |
| Dichloroacetic Acid | 39 µg/L No EPA limit set | 3/3 | SYR4 |
| Bromoform | 38 µg/L No EPA limit set | 3/3 | SYR4 |
| Bromodichloromethane | 37 µg/L No EPA limit set | 3/3 | SYR4 |
| Trichloroacetic Acid | 32 µg/L No EPA limit set | 3/3 | SYR4 |
| Dibromochloromethane | 28 µg/L No EPA limit set | 3/3 | SYR4 |
| Combined Uranium | 26.522 µg/L 88% of the EPA limit 30 µg/L | 2/3 | SYR4 |
| Dibromoacetic Acid | 20.7 µg/L No EPA limit set | 3/3 | SYR4 |
| Chromium | 14 µg/L 14% of the EPA limit 100 µg/L | 1/3 | SYR4 |
| Monobromoacetic Acid | 7.92 µg/L No EPA limit set | 3/3 | SYR4 |
| Monochloroacetic Acid | 7 µg/L No EPA limit set | 2/3 | SYR4 |
| Arsenic | 5 µg/L 50% of the EPA limit 10 µg/L | 2/3 | SYR4 |
| Gross Beta Particle Activity | 4.55 pCi/L No EPA limit set | 2/3 | SYR4 |
| Nitrite | 0.7600 µg/L 0.1% of the EPA limit 1000 µg/L | 1/3 | SYR4 |
| Tetrachloroethylene | 0.6000 µg/L 12% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Cadmium | 0.3000 µg/L 6% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Mercury | 0.0400 µg/L 2% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| PFBS | 0.0031 µg/L No EPA limit set | 1/3 | UCMR-5 |
| PFHXS | 0.0030 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
Water suppliers serving Ventura
| Supplier | Population served |
|---|---|
| VENTURA WATER DEPARTMENT | 113,500 |
| SATICOY COUNTRY CLUB-CITY OF VENTURA | 196 |
| RINCON WATER & ROAD WORKS | 25 |
Frequently asked questions about Ventura tap water
Is Ventura tap water safe to drink?
EPA testing detected 30 contaminants in the water serving Ventura. 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 Ventura?
3 public water suppliers report drinking-water monitoring for Ventura, California to the EPA. Each is listed above with its population served.
What contaminants are in Ventura's water?
The contaminants EPA monitoring detected in Ventura include Nitrate-Nitrite, Nitrate, Fluoride, Lead, TTHM. 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.