What was found in Barona North Reservation's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 6895 µg/L 69% of the EPA limit 10000 µg/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Fluoride | 458.5 µg/L 11% of the EPA limit 4000 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| Nitrite | 200 µg/L 20% of the EPA limit 1000 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| TTHM | 55.65 µg/L 70% of the EPA limit 80 µg/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Combined Uranium | 30.7 µg/L 102% of the EPA limit, at the 95th percentile of samples — 30 µg/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Barium | 24.8 µg/L 1.2% of the EPA limit 2000 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| Selenium | 17.9 µg/L 36% of the EPA limit 50 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 11.08 µg/L 18% of the EPA limit 60 µg/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 10.1975 pCi/L 68% of the EPA limit 15 pCi/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Antimony, Total | 10 µg/L 167% of the EPA limit, at the 95th percentile of samples — 6 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| Thallium, Total | 10 µg/L 500% of the EPA limit, at the 95th percentile of samples — 2 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| Cadmium | 5 µg/L 100% of the EPA limit 5 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| Toluene | 4.4 µg/L 0.4% of the EPA limit 1000 µg/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Arsenic | 1.88 µg/L 19% of the EPA limit 10 µg/L Main supplier: Barona North · 1,171 people · 2017 | 1/1 | SYR4 |
| Dichloromethane | 0.6300 µg/L 13% of the EPA limit 5 µg/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 0.4776 pCi/L 9.6% of the EPA limit 5 pCi/L Main supplier: Barona North · 1,171 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0042 mg/L 28% of the EPA limit 0.0150 mg/L Main supplier: Barona North · 1,171 people · 2025 | 1/1 | LCR |
Water suppliers serving Barona North Reservation
| Supplier | Population served |
|---|---|
| Barona North | 1,171 |
Frequently asked questions about Barona North Reservation tap water
Is Barona North Reservation tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Barona North Reservation. 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 Barona North Reservation?
1 public water supplier report drinking-water monitoring for Barona North Reservation, California to the EPA. Each is listed above with its population served.
What contaminants are in Barona North Reservation's water?
The contaminants EPA monitoring detected in Barona North Reservation include Nitrate, Fluoride, Nitrite, TTHM, Combined Uranium. The full list, with the level at the main supplier 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.