What was found in Anaheim'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 | 900000 µg/L 9000% of the EPA limit, in the worst sample — 10000 µg/L | 5/5 | SYR4 |
| Nitrate | 7537.1 µg/L 75% of the EPA limit 10000 µg/L | 5/5 | SYR4 |
| Fluoride | 770 µg/L 19% of the EPA limit 4000 µg/L | 5/5 | SYR4 |
| Barium | 130 µg/L 6.5% of the EPA limit 2000 µg/L | 4/5 | SYR4 |
| TTHM | 98 µg/L 123% of the EPA limit, in the worst sample — 80 µg/L | 4/5 | SYR4 |
| Lithium | 61 µg/L No EPA limit set | 4/5 | UCMR-5 |
| Total Haloacetic Acids (HAA5) | 45 µg/L 75% of the EPA limit 60 µg/L | 4/5 | SYR4 |
| Chloroform | 40 µg/L No EPA limit set | 4/5 | SYR4 |
| Bromodichloromethane | 30 µg/L No EPA limit set | 4/5 | SYR4 |
| Dibromochloromethane | 29 µg/L No EPA limit set | 4/5 | SYR4 |
| Combined Uranium | 26.82 µg/L 89% of the EPA limit 30 µg/L | 5/5 | SYR4 |
| Bromoform | 19 µg/L No EPA limit set | 4/5 | SYR4 |
| Trichloroacetic Acid | 16 µg/L No EPA limit set | 4/5 | SYR4 |
| Dichloroacetic Acid | 14 µg/L No EPA limit set | 4/5 | SYR4 |
| Monobromoacetic Acid | 14 µg/L No EPA limit set | 4/5 | SYR4 |
| Monochloroacetic Acid | 9.1 µg/L No EPA limit set | 3/5 | SYR4 |
| Selenium | 7.7 µg/L 15% of the EPA limit 50 µg/L | 3/5 | SYR4 |
| Dibromoacetic Acid | 7 µg/L No EPA limit set | 4/5 | SYR4 |
| Arsenic | 4.6 µg/L 46% of the EPA limit 10 µg/L | 2/5 | SYR4 |
| Gross Beta Particle Activity | 2.84 pCi/L No EPA limit set | 2/5 | SYR4 |
| 1,1-Dichloroethylene | 2.6 µg/L 37% of the EPA limit 7 µg/L | 1/5 | SYR4 |
| Trichloroethylene | 2.3 µg/L 46% of the EPA limit 5 µg/L | 2/5 | SYR4 |
| Chromium | 2.2 µg/L 2.2% of the EPA limit 100 µg/L | 1/5 | SYR4 |
| Combined Radium (-226 And -228) | 0.5740 pCi/L 11% of the EPA limit 5 pCi/L | 3/5 | SYR4 |
| PFOS | 0.0290 µg/L No EPA limit set | 3/5 | UCMR-5 |
| Pfba | 0.0165 µg/L No EPA limit set | 3/5 | UCMR-5 |
| Pfpea | 0.0124 µg/L No EPA limit set | 4/5 | UCMR-5 |
| PFHXS | 0.0109 µg/L No EPA limit set | 3/5 | UCMR-5 |
| PFOA | 0.0101 µg/L No EPA limit set | 3/5 | UCMR-5 |
| Lead | 0.0084 mg/L 56% of the EPA limit 0.0150 mg/L | 5/5 | LCR |
| Pfhxa | 0.0077 µg/L No EPA limit set | 3/5 | UCMR-5 |
| PFBS | 0.0056 µg/L No EPA limit set | 2/5 | UCMR-5 |
Water suppliers serving Anaheim
| Supplier | Population served |
|---|---|
| CITY OF ANAHEIM | 348,593 |
| GOLDEN STATE WC - WEST ORANGE COUNTY | 114,379 |
| GOLDEN STATE WC - PLACENTIA/YORBA LINDA | 50,381 |
| GOLDEN STATE WC - COWAN HEIGHTS | 6,997 |
| HYNES ESTATES MUTUAL WATER CO. | 168 |
Frequently asked questions about Anaheim tap water
Is Anaheim tap water safe to drink?
EPA testing detected 32 contaminants in the water serving Anaheim. 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 Anaheim?
5 public water suppliers report drinking-water monitoring for Anaheim, California to the EPA. Each is listed above with its population served.
What contaminants are in Anaheim's water?
The contaminants EPA monitoring detected in Anaheim include Nitrate-Nitrite, Nitrate, Fluoride, Barium, 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.