Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| MR | Monitoring | Resolved | 2016-01-01 → 2016-03-31 |
| MR | Monitoring | Resolved | 2016-01-01 → 2016-03-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Arsenic | 9.08 µg/L 91% of the EPA limit 10 µg/L
worst single sample: 9.6 µg/L | 143/145 | SYR4 | 2012–2019 |
| Copper | 330.6 µg/L 25% of the EPA limit 1300 µg/L
worst single sample: 620 µg/L | 107/109 | SYR4 | 2013–2019 |
| Nitrate | 1850 µg/L 19% of the EPA limit 10000 µg/L
worst single sample: 2280 µg/L | 90/128 | SYR4 | 2012–2019 |
| TTHM | 4.03 µg/L 5% of the EPA limit 80 µg/L
worst single sample: 10.6 µg/L | 78/116 | SYR4 | 2012–2019 |
| Lead | 25.4 µg/L 169% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 125 µg/L | 65/107 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 1951.5 µg/L 20% of the EPA limit 10000 µg/L
worst single sample: 2280 µg/L | 34/52 | SYR4 | 2012–2018 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2025 |
| Barium | 255 µg/L 13% of the EPA limit 2000 µg/L
worst single sample: 290 µg/L | 11/11 | SYR4 | 2012–2015 |
| Total Haloacetic Acids (HAA5) | 4.27 µg/L 7.1% of the EPA limit 60 µg/L
worst single sample: 4.3 µg/L | 7/116 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.88 pCi/L 38% of the EPA limit 5 pCi/L
worst single sample: 1.9 pCi/L | 5/11 | SYR4 | 2015–2018 |
| Lithium | 32.9 µg/L No EPA limit set | 5/16 | UCMR-5 | 2024 |
| Fluoride | 109 µg/L 2.7% of the EPA limit 4000 µg/L
worst single sample: 110 µg/L | 3/11 | SYR4 | 2012–2015 |
| Selenium | 3.63 µg/L 7.3% of the EPA limit 50 µg/L
worst single sample: 3.7 µg/L | 3/11 | SYR4 | 2012–2015 |
| Xylenes, Total | 9.17 µg/L 0.1% of the EPA limit 10000 µg/L
worst single sample: 9.8 µg/L | 3/26 | SYR4 | 2012–2019 |
| Ethylbenzene | 1.2 µg/L 0.2% of the EPA limit 700 µg/L | 1/26 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 0.5000 µg/L 10% of the EPA limit 5 µg/L | 1/26 | SYR4 | 2012–2019 |
77 contaminants tested, none detected
Utility contact
Frequently asked questions about Arizona Water Co - Sedona
Is Arizona Water Co - Sedona tap water safe to drink?
EPA monitoring detected 24 contaminants in Arizona Water Co - Sedona's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Arizona Water Co - Sedona's water?
EPA monitoring detected Arsenic, Copper, Nitrate, TTHM, Lead, and others. The full list with the level and data source for each is above.
How many people does Arizona Water Co - Sedona serve?
Arizona Water Co - Sedona reports serving 12,104 people in Arizona, per its EPA record.
Has Arizona Water Co - Sedona had any water quality violations?
The EPA has 251 violations on file for Arizona Water Co - Sedona, of which 4 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.