What was found in Delano'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 | 110000 µg/L 1100% of the EPA limit, in the worst sample — 10000 µg/L | 2/3 | SYR4 |
| Nitrate | 11000 µg/L 110% of the EPA limit, in the worst sample — 10000 µg/L | 3/3 | SYR4 |
| Nitrite | 2700 µg/L 270% of the EPA limit, in the worst sample — 1000 µg/L | 2/3 | SYR4 |
| Fluoride | 860 µg/L 22% of the EPA limit 4000 µg/L | 3/3 | SYR4 |
| Barium | 180 µg/L 9% of the EPA limit 2000 µg/L | 3/3 | SYR4 |
| TTHM | 79 µg/L 99% of the EPA limit 80 µg/L | 2/3 | SYR4 |
| Copper | 75 µg/L 5.8% of the EPA limit 1300 µg/L | 2/3 | SYR4 |
| Arsenic | 52 µg/L 520% of the EPA limit, in the worst sample — 10 µg/L | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 47 µg/L 78% of the EPA limit 60 µg/L | 2/3 | SYR4 |
| Bromodichloromethane | 25 µg/L No EPA limit set | 2/3 | SYR4 |
| Bromoform | 23 µg/L No EPA limit set | 2/3 | SYR4 |
| Lithium | 21.1 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Chloroform | 21 µg/L No EPA limit set | 2/3 | SYR4 |
| Dibromochloromethane | 21 µg/L No EPA limit set | 2/3 | SYR4 |
| Dibromoacetic Acid | 17 µg/L No EPA limit set | 2/3 | SYR4 |
| Dichloroacetic Acid | 17 µg/L No EPA limit set | 1/3 | SYR4 |
| Chromium | 15 µg/L 15% of the EPA limit 100 µg/L | 2/3 | SYR4 |
| Antimony, Total | 7.1 µg/L 118% of the EPA limit, in the worst sample — 6 µg/L | 1/3 | SYR4 |
| Trichloroacetic Acid | 6.3 µg/L No EPA limit set | 2/3 | SYR4 |
| Selenium | 5.5 µg/L 11% of the EPA limit 50 µg/L | 3/3 | SYR4 |
| Monochloroacetic Acid | 3.7 µg/L No EPA limit set | 1/3 | SYR4 |
| Monobromoacetic Acid | 3.4 µg/L No EPA limit set | 2/3 | SYR4 |
| Lead | 1.1 µg/L 7.3% of the EPA limit 15 µg/L | 1/3 | SYR4 |
| Cadmium | 0.4040 µg/L 8.1% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Thallium, Total | 0.4000 µg/L 20% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.3400 µg/L 170% of the EPA limit, in the worst sample — 0.2000 µg/L | 1/3 | SYR4 |
| Mercury | 0.2600 µg/L 13% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| Beryllium, Total | 0.2000 µg/L 5% of the EPA limit 4 µg/L | 1/3 | SYR4 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
Water suppliers serving Delano
| Supplier | Population served |
|---|---|
| DELANO, CITY OF | 51,428 |
| KERN VALLEY STATE PRISON | 5,000 |
| AGBAYANI VILLAGE WATER SYSTEM | 38 |
Frequently asked questions about Delano tap water
Is Delano tap water safe to drink?
EPA testing detected 29 contaminants in the water serving Delano. 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 Delano?
3 public water suppliers report drinking-water monitoring for Delano, California to the EPA. Each is listed above with its population served.
What contaminants are in Delano's water?
The contaminants EPA monitoring detected in Delano include Nitrate-Nitrite, Nitrate, Nitrite, Fluoride, Barium. 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.