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 |
| MCL | Health-based | Resolved | 2013-08-01 → 2013-08-31 |
| MCL | Health-based | Resolved | 2013-08-01 → 2013-08-31 |
| MON | Monitoring | Archived | 2026-02-01 → 2026-02-28 |
| MON | Monitoring | Archived | 2026-02-01 → 2026-02-28 |
| RPT | Monitoring | Resolved | 2025-07-01 |
| RPT | Monitoring | Resolved | 2025-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 330 µg/L 25% of the EPA limit 1300 µg/L | 40/40 | SYR4 | 2014–2017 |
| Lead | 83 µg/L 553% of the EPA limit, in the worst sample — 15 µg/L | 25/40 | SYR4 | 2014–2017 |
| Lead | 0.00093 mg/L 6.2% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2023 |
| Nitrate | 130 µg/L 1.3% of the EPA limit 10000 µg/L | 8/18 | SYR4 | 2013–2019 |
| TTHM | 6 µg/L 7.5% of the EPA limit 80 µg/L | 7/10 | SYR4 | 2012–2019 |
| Barium | 29 µg/L 1.5% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2015–2018 |
| Total Haloacetic Acids (HAA5) | 1.2 µg/L 2% of the EPA limit 60 µg/L | 2/10 | SYR4 | 2012–2019 |
| Lithium | 40 µg/L No EPA limit set | 2/2 | UCMR-5 | 2023 |
| Combined Radium (-226 And -228) | 0.9000 pCi/L 18% of the EPA limit 5 pCi/L | 1/2 | SYR4 | 2015–2018 |
| Fluoride | 93 µg/L 2.3% of the EPA limit 4000 µg/L | 1/2 | SYR4 | 2015–2018 |
| Gross Alpha, Excl. Radon And U | 0.5000 pCi/L 3.3% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2015 |
| Selenium | 0.3400 µg/L 0.7% of the EPA limit 50 µg/L | 1/2 | SYR4 | 2015–2018 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about Aspc Yuma
Is Aspc Yuma tap water safe to drink?
EPA monitoring detected 12 contaminants in Aspc Yuma'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 Aspc Yuma's water?
EPA monitoring detected Copper, Lead, Lead, Nitrate, TTHM, and others. The full list with the level and data source for each is above.
How many people does Aspc Yuma serve?
Aspc Yuma reports serving 4,197 people in Arizona, per its EPA record.
Has Aspc Yuma had any water quality violations?
The EPA has 427 violations on file for Aspc Yuma, of which 6 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.