What was found in Sun Valley'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 |
|---|---|---|---|
| Fluoride | 980 µg/L 25% of the EPA limit 4000 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2013 | 1/1 | SYR4 |
| Copper | 153 µg/L 12% of the EPA limit 1300 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2019 | 1/1 | SYR4 |
| TTHM | 53.395 µg/L 67% of the EPA limit 80 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2019 | 1/1 | SYR4 |
| Barium | 42 µg/L 2.1% of the EPA limit 2000 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2013 | 1/1 | SYR4 |
| Arsenic | 4.1 µg/L 41% of the EPA limit 10 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2013 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 4 µg/L 6.7% of the EPA limit 60 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2019 | 1/1 | SYR4 |
| Chromium | 1.6 µg/L 1.6% of the EPA limit 100 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2013 | 1/1 | SYR4 |
| Lead | 1.58 µg/L 11% of the EPA limit 15 µg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L Main supplier: SUN VALLEY UTILITIES · 287 people · 2025 | 1/1 | LCR |
Water suppliers serving Sun Valley
| Supplier | Population served |
|---|---|
| SUN VALLEY UTILITIES | 287 |
Frequently asked questions about Sun Valley tap water
Is Sun Valley tap water safe to drink?
EPA testing detected 9 contaminants in the water serving Sun Valley. 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 Sun Valley?
1 public water supplier report drinking-water monitoring for Sun Valley, Arizona to the EPA. Each is listed above with its population served.
What contaminants are in Sun Valley's water?
The contaminants EPA monitoring detected in Sun Valley include Fluoride, Copper, TTHM, Barium, Arsenic. 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.