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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-07-01 → 2024-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 260 µg/L 20% of the EPA limit 1300 µg/L | 51/52 | SYR4 | 2012–2018 |
| Nitrate | 1700 µg/L 17% of the EPA limit 10000 µg/L | 40/40 | SYR4 | 2012–2019 |
| Arsenic | 7 µg/L 70% of the EPA limit 10 µg/L | 29/43 | SYR4 | 2012–2019 |
| Lead | 25 µg/L 167% of the EPA limit, in the worst sample — 15 µg/L | 12/52 | SYR4 | 2012–2018 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2024 |
| Barium | 250 µg/L 13% of the EPA limit 2000 µg/L | 6/6 | SYR4 | 2013–2019 |
| Fluoride | 3400 µg/L 85% of the EPA limit 4000 µg/L | 6/6 | SYR4 | 2013–2019 |
| Xylenes, Total | 1.5 µg/L 0% of the EPA limit 10000 µg/L | 5/15 | SYR4 | 2013–2019 |
| Lithium | 86 µg/L No EPA limit set | 4/4 | UCMR-5 | 2025 |
| TTHM | 1.2 µg/L 1.5% of the EPA limit 80 µg/L | 3/18 | SYR4 | 2012–2019 |
| Chromium | 2.4 µg/L 2.4% of the EPA limit 100 µg/L | 2/6 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 1500 µg/L 15% of the EPA limit 10000 µg/L | 2/2 | SYR4 | 2013 |
| Combined Uranium | 13 µg/L 43% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2016 |
| Gross Alpha, Excl. Radon And U | 4.2 pCi/L 28% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2016 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about Metropolitan Dwid - Diablo Village
Is Metropolitan Dwid - Diablo Village tap water safe to drink?
EPA monitoring detected 14 contaminants in Metropolitan Dwid - Diablo Village'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 Metropolitan Dwid - Diablo Village's water?
EPA monitoring detected Copper, Nitrate, Arsenic, Lead, Lead, and others. The full list with the level and data source for each is above.
How many people does Metropolitan Dwid - Diablo Village serve?
Metropolitan Dwid - Diablo Village reports serving 5,542 people in Arizona, per its EPA record.
Has Metropolitan Dwid - Diablo Village had any water quality violations?
The EPA has 101 violations on file for Metropolitan Dwid - Diablo Village, of which 2 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.