What was found in Phoenix'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 |
|---|---|---|---|
| Copper | 843.45 µg/L 65% of the EPA limit 1300 µg/L Main supplier: PHOENIX, CITY OF · 5,900 people · 2018 | 1/1 | SYR4 |
| TTHM | 10.675 µg/L 13% of the EPA limit 80 µg/L Main supplier: PHOENIX, CITY OF · 5,900 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 8.795 µg/L 15% of the EPA limit 60 µg/L Main supplier: PHOENIX, CITY OF · 5,900 people · 2019 | 1/1 | SYR4 |
| Lead | 1.696 µg/L 11% of the EPA limit 15 µg/L Main supplier: PHOENIX, CITY OF · 5,900 people · 2018 | 1/1 | SYR4 |
| Lead | 0.00023 mg/L 1.5% of the EPA limit 0.0150 mg/L Main supplier: PHOENIX, CITY OF · 5,900 people · 2025 | 1/1 | LCR |
Water suppliers serving Phoenix
| Supplier | Population served |
|---|---|
| PHOENIX, CITY OF | 5,900 |
Frequently asked questions about Phoenix tap water
Is Phoenix tap water safe to drink?
EPA testing detected 5 contaminants in the water serving Phoenix. 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 Phoenix?
1 public water supplier report drinking-water monitoring for Phoenix, Oregon to the EPA. Each is listed above with its population served.
What contaminants are in Phoenix's water?
The contaminants EPA monitoring detected in Phoenix include Copper, TTHM, Total Haloacetic Acids (HAA5), Lead, Lead. 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.