What was found in Santa Fe'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 | 2500 µg/L 25% of the EPA limit 10000 µg/L | 3/27 | SYR4 |
| Fluoride | 530 µg/L 13% of the EPA limit 4000 µg/L | 2/27 | SYR4 |
| Copper | 183 µg/L 14% of the EPA limit 1300 µg/L | 4/27 | SYR4 |
| Barium | 140 µg/L 7% of the EPA limit 2000 µg/L | 3/27 | SYR4 |
| Lithium | 130 µg/L No EPA limit set | 4/27 | UCMR-5 |
| Combined Uranium | 39 µg/L 130% of the EPA limit, in the worst sample — 30 µg/L | 3/27 | SYR4 |
| Gross Alpha, Excl. Radon And U | 21.8 pCi/L 145% of the EPA limit, in the worst sample — 15 pCi/L | 3/27 | SYR4 |
| Selenium | 13 µg/L 26% of the EPA limit 50 µg/L | 2/27 | SYR4 |
| Arsenic | 9.9 µg/L 99% of the EPA limit 10 µg/L | 4/27 | SYR4 |
| Gross Beta Particle Activity | 8.87 pCi/L No EPA limit set | 4/27 | SYR4 |
| TTHM | 8.11 µg/L 10% of the EPA limit 80 µg/L | 4/27 | SYR4 |
| Chromium | 6.7 µg/L 6.7% of the EPA limit 100 µg/L | 1/27 | SYR4 |
| Bromoform | 6.54 µg/L No EPA limit set | 4/27 | SYR4 |
| Lead | 3.5 µg/L 23% of the EPA limit 15 µg/L | 4/27 | SYR4 |
| Dibromochloromethane | 2.18 µg/L No EPA limit set | 3/27 | SYR4 |
| Dibromoacetic Acid | 1.98 µg/L No EPA limit set | 2/27 | SYR4 |
| Total Haloacetic Acids (HAA5) | 1.98 µg/L 3.3% of the EPA limit 60 µg/L | 2/27 | SYR4 |
| Combined Radium (-226 And -228) | 1.645 pCi/L 33% of the EPA limit 5 pCi/L | 2/27 | SYR4 |
| Bromodichloromethane | 0.5120 µg/L No EPA limit set | 1/27 | SYR4 |
| Atrazine | 0.4800 µg/L 16% of the EPA limit 3 µg/L | 1/27 | SYR4 |
| 6:2 Fts | 0.0160 µg/L No EPA limit set | 1/27 | UCMR-5 |
| Lead | 0.0080 mg/L 53% of the EPA limit 0.0150 mg/L | 26/27 | LCR |
Water suppliers serving Santa Fe
Frequently asked questions about Santa Fe tap water
Is Santa Fe tap water safe to drink?
EPA testing detected 22 contaminants in the water serving Santa Fe. 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 Santa Fe?
27 public water suppliers report drinking-water monitoring for Santa Fe, New Mexico to the EPA. Each is listed above with its population served.
What contaminants are in Santa Fe's water?
The contaminants EPA monitoring detected in Santa Fe include Nitrate-Nitrite, Fluoride, Copper, Barium, Lithium. 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.