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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2017-01-01 → 2017-05-17 |
| MR | Monitoring | Resolved | 2017-01-01 → 2017-05-17 |
| MR | Monitoring | Resolved | 2017-01-01 → 2017-05-17 |
| MR | Monitoring | Resolved | 2005-12-01 → 2005-12-31 |
| MR | Monitoring | Resolved | 2005-12-01 → 2005-12-31 |
| MR | Monitoring | Resolved | 2005-12-01 → 2005-12-31 |
| MR | Monitoring | Resolved | 2005-12-01 → 2005-12-31 |
| MR | Monitoring | Archived | 2000-09-01 → 2000-09-30 |
| MR | Monitoring | Archived | 1997-01-01 → 1997-01-31 |
| MR | Monitoring | Archived | 1997-01-01 → 1997-01-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0270 µg/L | 3/3 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dichloroacetic Acid | 25 µg/L No EPA limit set
worst single sample: 31 µg/L | 66/66 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 13 µg/L No EPA limit set | 66/66 | SYR4 | 2012–2019 |
| Bromodichloromethane | 8.525 µg/L No EPA limit set
worst single sample: 9 µg/L | 64/64 | SYR4 | 2012–2019 |
| Chloroform | 42.85 µg/L No EPA limit set
worst single sample: 52 µg/L | 64/64 | SYR4 | 2012–2019 |
| Copper | 75.49 µg/L 5.8% of the EPA limit 1300 µg/L
worst single sample: 138 µg/L | 60/60 | SYR4 | 2013–2019 |
| Lead | 6.09 µg/L 41% of the EPA limit 15 µg/L
worst single sample: 9.3 µg/L | 38/60 | SYR4 | 2013–2019 |
| Dibromochloromethane | 0.9600 µg/L No EPA limit set
worst single sample: 1 µg/L | 29/64 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 2.675 µg/L No EPA limit set
worst single sample: 3.1 µg/L | 18/66 | SYR4 | 2012–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2025 |
32 contaminants tested, none detected
Utility contact
Frequently asked questions about Arden Hills
Is Arden Hills tap water safe to drink?
EPA monitoring detected 10 contaminants in Arden Hills'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 Arden Hills's water?
EPA monitoring detected Dichloroacetic Acid, Trichloroacetic Acid, Bromodichloromethane, Chloroform, Copper, and others. The full list with the level and data source for each is above.
How many people does Arden Hills serve?
Arden Hills reports serving 10,000 people in Minnesota, per its EPA record.
Has Arden Hills had any water quality violations?
The EPA has 38 violations on file for Arden Hills, of which 0 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.