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 | 2025-02-01 → 2025-02-28 |
| MCL | Health-based | Archived | 2023-09-01 → 2023-09-30 |
| MCL | Health-based | Resolved | 2019-01-01 → 2019-01-31 |
| TT | Health-based | Resolved | 2017-12-31 |
| TT | Health-based | Resolved | 2017-12-31 |
| TT | Health-based | Resolved | 2016-12-31 |
| MCL | Health-based | Resolved | 2015-05-01 → 2015-05-31 |
| TT | Health-based | Resolved | 2014-12-31 |
| TT | Health-based | Resolved | 2014-12-31 |
| TT | Health-based | Resolved | 2014-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 470 µg/L 4.7% of the EPA limit 10000 µg/L | 24/34 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.51 pCi/L 30% of the EPA limit 5 pCi/L | 12/12 | SYR4 | 2013–2019 |
| Combined Uranium | 2.384 µg/L 7.9% of the EPA limit 30 µg/L | 9/11 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 1.5 pCi/L 10% of the EPA limit 15 pCi/L | 8/12 | SYR4 | 2013–2019 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2016 |
| Barium | 42.5 µg/L 2.1% of the EPA limit 2000 µg/L | 6/6 | SYR4 | 2013–2019 |
| Fluoride | 130 µg/L 3.3% of the EPA limit 4000 µg/L | 6/6 | SYR4 | 2013–2019 |
| TTHM | 16 µg/L 20% of the EPA limit 80 µg/L | 4/5 | SYR4 | 2013–2019 |
| Arsenic | 3 µg/L 30% of the EPA limit 10 µg/L | 3/5 | SYR4 | 2013–2019 |
| Chromium | 2.1 µg/L 2.1% of the EPA limit 100 µg/L | 3/5 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 20 µg/L 33% of the EPA limit 60 µg/L | 2/5 | SYR4 | 2013–2019 |
| Cadmium | 1 µg/L 20% of the EPA limit 5 µg/L | 1/4 | SYR4 | 2013–2019 |
| Mercury | 0.2000 µg/L 10% of the EPA limit 2 µg/L | 1/4 | SYR4 | 2013–2019 |
| Methoxychlor | 0.1000 µg/L 0.3% of the EPA limit 40 µg/L | 1/4 | SYR4 | 2013–2019 |
56 contaminants tested, none detected
Utility contact
Frequently asked questions about Aoa Asg
Is Aoa Asg tap water safe to drink?
EPA monitoring detected 14 contaminants in Aoa Asg'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 Aoa Asg's water?
EPA monitoring detected Nitrate, Combined Radium (-226 And -228), Combined Uranium, Gross Alpha, Excl. Radon And U, Lead, and others. The full list with the level and data source for each is above.
How many people does Aoa Asg serve?
Aoa Asg reports serving 344 people in AS, per its EPA record.
Has Aoa Asg had any water quality violations?
The EPA has 93 violations on file for Aoa Asg, of which 58 are health-based (a contaminant limit or required treatment was breached) and 1 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.