What was found in Santa Rosa'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 |
|---|---|---|---|
| Chlorite | 1550 µg/L 155% of the EPA limit, in the worst sample — 1000 µg/L | 1/1 | SYR4 |
| Copper | 596 µg/L 46% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| Fluoride | 440 µg/L 11% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Nitrate | 310 µg/L 3.1% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Barium | 147 µg/L 7.4% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| TTHM | 75.7 µg/L 95% of the EPA limit 80 µg/L | 1/1 | SYR4 |
| Cyanide | 50 µg/L 25% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 34.9 µg/L 58% of the EPA limit 60 µg/L | 1/1 | SYR4 |
| Bromoform | 34.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Dibromochloromethane | 26.7 µg/L No EPA limit set | 1/1 | SYR4 |
| Dibromoacetic Acid | 23.8 µg/L No EPA limit set | 1/1 | SYR4 |
| Lead | 22 µg/L 147% of the EPA limit, in the worst sample — 15 µg/L | 1/1 | SYR4 |
| Nitrite | 20 µg/L 2% of the EPA limit 1000 µg/L | 1/1 | SYR4 |
| Bromodichloromethane | 17 µg/L No EPA limit set | 1/1 | SYR4 |
| Chloroform | 8.5 µg/L No EPA limit set | 1/1 | SYR4 |
| Dichloroacetic Acid | 8 µg/L No EPA limit set | 1/1 | SYR4 |
| Gross Beta Particle Activity | 7.3 pCi/L No EPA limit set | 1/1 | SYR4 |
| Selenium | 5.6 µg/L 11% of the EPA limit 50 µg/L | 1/1 | SYR4 |
| Monobromoacetic Acid | 4.9 µg/L No EPA limit set | 1/1 | SYR4 |
| Trichloroacetic Acid | 3.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Monochloroacetic Acid | 3.2 µg/L No EPA limit set | 1/1 | SYR4 |
| Arsenic | 2.4 µg/L 24% of the EPA limit 10 µg/L | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 1/1 | SYR4 |
| Chromium | 0.8430 µg/L 0.8% of the EPA limit 100 µg/L | 1/1 | SYR4 |
| Antimony, Total | 0.6460 µg/L 11% of the EPA limit 6 µg/L | 1/1 | SYR4 |
| Thallium, Total | 0.4200 µg/L 21% of the EPA limit 2 µg/L | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving Santa Rosa
| Supplier | Population served |
|---|---|
| CITY OF SANTA ROSA | 2,883 |
Frequently asked questions about Santa Rosa tap water
Is Santa Rosa tap water safe to drink?
EPA testing detected 27 contaminants in the water serving Santa Rosa. 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 Rosa?
1 public water supplier report drinking-water monitoring for Santa Rosa, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Santa Rosa's water?
The contaminants EPA monitoring detected in Santa Rosa include Chlorite, Copper, Fluoride, Nitrate, 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.