What was found in Peoria'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 | 10800 µg/L 108% of the EPA limit, in the worst sample — 10000 µg/L | 3/3 | SYR4 |
| Nitrate-Nitrite | 10800 µg/L 108% of the EPA limit, in the worst sample — 10000 µg/L | 3/3 | SYR4 |
| Copper | 1770 µg/L 136% of the EPA limit, in the worst sample — 1300 µg/L | 3/3 | SYR4 |
| Fluoride | 780 µg/L 20% of the EPA limit 4000 µg/L | 3/3 | SYR4 |
| Lithium | 162 µg/L No EPA limit set | 3/3 | UCMR-5 |
| Barium | 120 µg/L 6% of the EPA limit 2000 µg/L | 3/3 | SYR4 |
| TTHM | 108 µg/L 135% of the EPA limit, in the worst sample — 80 µg/L | 3/3 | SYR4 |
| Lead | 84.1 µg/L 561% of the EPA limit, in the worst sample — 15 µg/L | 3/3 | SYR4 |
| Nitrite | 40 µg/L 4% of the EPA limit 1000 µg/L | 1/3 | SYR4 |
| Chromium | 39 µg/L 39% of the EPA limit 100 µg/L | 2/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 39 µg/L 65% of the EPA limit 60 µg/L | 3/3 | SYR4 |
| Xylenes, Total | 23.1 µg/L 0.2% of the EPA limit 10000 µg/L | 2/3 | SYR4 |
| Bromate | 16.4 µg/L 164% of the EPA limit, in the worst sample — 10 µg/L | 1/3 | SYR4 |
| Arsenic | 14.2 µg/L 142% of the EPA limit, in the worst sample — 10 µg/L | 3/3 | SYR4 |
| Dibromochloromethane | 8.3 µg/L No EPA limit set | 1/3 | SYR4 |
| Bromodichloromethane | 8.2 µg/L No EPA limit set | 1/3 | SYR4 |
| Chloroform | 6.8 µg/L No EPA limit set | 1/3 | SYR4 |
| Selenium | 6.6 µg/L 13% of the EPA limit 50 µg/L | 1/3 | SYR4 |
| Dichloroacetic Acid | 3.4 µg/L No EPA limit set | 1/3 | SYR4 |
| Combined Uranium | 3.3 µg/L 11% of the EPA limit 30 µg/L | 1/3 | SYR4 |
| Ethylbenzene | 3.2 µg/L 0.5% of the EPA limit 700 µg/L | 1/3 | SYR4 |
| Trichloroacetic Acid | 3.1 µg/L No EPA limit set | 1/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2.7 pCi/L 18% of the EPA limit 15 pCi/L | 1/3 | SYR4 |
| Bromoform | 2.4 µg/L No EPA limit set | 1/3 | SYR4 |
| Dibromoacetic Acid | 2.3 µg/L No EPA limit set | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 1.3 pCi/L 26% of the EPA limit 5 pCi/L | 2/3 | SYR4 |
| Di(2-ethylhexyl) Adipate | 1.3 µg/L 0.3% of the EPA limit 400 µg/L | 1/3 | SYR4 |
| Carbon Tetrachloride | 1.2 µg/L 24% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Toluene | 1 µg/L 0.1% of the EPA limit 1000 µg/L | 1/3 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.7000 µg/L 12% of the EPA limit 6 µg/L | 1/3 | SYR4 |
| Dinoseb | 0.3000 µg/L 4.3% of the EPA limit 7 µg/L | 1/3 | SYR4 |
| 2,4-D | 0.2000 µg/L 0.3% of the EPA limit 70 µg/L | 1/3 | SYR4 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.0400 µg/L 20% of the EPA limit 0.2000 µg/L | 1/3 | SYR4 |
| PFBS | 0.0148 µg/L No EPA limit set | 1/3 | UCMR-5 |
| PFOA | 0.0056 µg/L No EPA limit set | 1/3 | UCMR-5 |
| PFHXS | 0.0037 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
Water suppliers serving Peoria
| Supplier | Population served |
|---|---|
| PEORIA CITY OF | 187,676 |
| SUNRISE WATER COMPANY | 6,490 |
| EPCOR - TIERRA DEL RIO | 4,868 |
Frequently asked questions about Peoria tap water
Is Peoria tap water safe to drink?
EPA testing detected 37 contaminants in the water serving Peoria. 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 Peoria?
3 public water suppliers report drinking-water monitoring for Peoria, Arizona to the EPA. Each is listed above with its population served.
What contaminants are in Peoria's water?
The contaminants EPA monitoring detected in Peoria include Nitrate, Nitrate-Nitrite, Copper, Fluoride, 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.