What was found in Palmdale'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 | 8/8 | SYR4 |
| Nitrate | 15000 µg/L 150% of the EPA limit, in the worst sample — 10000 µg/L | 8/8 | SYR4 |
| Fluoride | 582 µg/L 15% of the EPA limit 4000 µg/L | 8/8 | SYR4 |
| Selenium | 162 µg/L 324% of the EPA limit, in the worst sample — 50 µg/L | 4/8 | SYR4 |
| TTHM | 160 µg/L 200% of the EPA limit, in the worst sample — 80 µg/L | 4/8 | SYR4 |
| Barium | 140 µg/L 7% of the EPA limit 2000 µg/L | 5/8 | SYR4 |
| Copper | 100 µg/L 7.7% of the EPA limit 1300 µg/L | 2/8 | SYR4 |
| Dibromochloromethane | 65 µg/L No EPA limit set | 4/8 | SYR4 |
| Bromoform | 47 µg/L No EPA limit set | 4/8 | SYR4 |
| Chloroform | 41 µg/L No EPA limit set | 4/8 | SYR4 |
| Arsenic | 38 µg/L 380% of the EPA limit, in the worst sample — 10 µg/L | 5/8 | SYR4 |
| Bromate | 37 µg/L 370% of the EPA limit, in the worst sample — 10 µg/L | 1/8 | SYR4 |
| Bromodichloromethane | 32 µg/L No EPA limit set | 4/8 | SYR4 |
| Total Haloacetic Acids (HAA5) | 28 µg/L 47% of the EPA limit 60 µg/L | 4/8 | SYR4 |
| Dibromoacetic Acid | 18.5 µg/L No EPA limit set | 4/8 | SYR4 |
| Chromium | 18 µg/L 18% of the EPA limit 100 µg/L | 3/8 | SYR4 |
| Combined Uranium | 17.88 µg/L 60% of the EPA limit 30 µg/L | 8/8 | SYR4 |
| Dichloroacetic Acid | 14 µg/L No EPA limit set | 4/8 | SYR4 |
| Trichloroacetic Acid | 13 µg/L No EPA limit set | 3/8 | SYR4 |
| Gross Beta Particle Activity | 11 pCi/L No EPA limit set | 2/8 | SYR4 |
| Monobromoacetic Acid | 3.4 µg/L No EPA limit set | 4/8 | SYR4 |
| Monochloroacetic Acid | 2.7 µg/L No EPA limit set | 1/8 | SYR4 |
| Dichloromethane | 1.7 µg/L 34% of the EPA limit 5 µg/L | 1/8 | SYR4 |
| Combined Radium (-226 And -228) | 0.1000 pCi/L 2% of the EPA limit 5 pCi/L | 1/8 | SYR4 |
| Heptachlor Epoxide | 0.0160 µg/L 8% of the EPA limit 0.2000 µg/L | 1/8 | SYR4 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L | 7/8 | LCR |
| Pfhxa | 0.0063 µg/L No EPA limit set | 1/8 | UCMR-5 |
| Pfpea | 0.0046 µg/L No EPA limit set | 1/8 | UCMR-5 |
| PFBS | 0.0045 µg/L No EPA limit set | 1/8 | UCMR-5 |
Water suppliers serving Palmdale
| Supplier | Population served |
|---|---|
| PALMDALE WATER DIST. | 126,804 |
| WHITE FENCE FARMS MWC NO. 1 | 1,518 |
| EL DORADO MUTUAL WATER CO. | 660 |
| WESTSIDE PARK MUTUAL WATER | 495 |
| SHADOW ACRES MUTUAL WATER COMPANY | 450 |
| SUNNYSIDE FARMS MUTUAL WATER COMPANY | 436 |
| ALPINE SPRINGS MOBILE HOME PARK | 175 |
| ANTELOPE VALLEY EAST KERN WATER AGENCY | 0 |
Frequently asked questions about Palmdale tap water
Is Palmdale tap water safe to drink?
EPA testing detected 29 contaminants in the water serving Palmdale. 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 Palmdale?
8 public water suppliers report drinking-water monitoring for Palmdale, California to the EPA. Each is listed above with its population served.
What contaminants are in Palmdale's water?
The contaminants EPA monitoring detected in Palmdale include Nitrate-Nitrite, Nitrate, Fluoride, Selenium, 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.