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 | Archived | 1991-05-01 → 1991-05-31 |
| MR | Monitoring | Archived | 1991-05-01 → 1991-05-31 |
| MR | Monitoring | Archived | 1991-05-01 → 1991-05-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0076 µg/L | 2/2 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1346.5 µg/L 104% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 2150 µg/L | 90/90 | SYR4 | 2013–2019 |
| Lead | 3.54 µg/L 24% of the EPA limit 15 µg/L
worst single sample: 113 µg/L | 52/90 | SYR4 | 2013–2019 |
| Fluoride | 1245 µg/L 31% of the EPA limit 4000 µg/L
worst single sample: 1300 µg/L | 32/32 | SYR4 | 2012–2019 |
| Chloroform | 1 µg/L No EPA limit set
worst single sample: 1.5 µg/L | 31/33 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 1.8 µg/L No EPA limit set
worst single sample: 1.9 µg/L | 21/29 | SYR4 | 2012–2019 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2023 |
| Bromodichloromethane | 0.3000 µg/L No EPA limit set | 8/33 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 70 µg/L 0.7% of the EPA limit 10000 µg/L | 6/32 | SYR4 | 2012–2019 |
| Chromium | 0.2775 µg/L 0.3% of the EPA limit 100 µg/L
worst single sample: 0.2800 µg/L | 2/4 | SYR4 | 2014 |
| Gross Alpha, Excl. Radon And U | 3.99 pCi/L 27% of the EPA limit 15 pCi/L
worst single sample: 4 pCi/L | 2/2 | SYR4 | 2014–2017 |
| cis-1,2-Dichloroethylene | 0.4500 µg/L 0.6% of the EPA limit 70 µg/L | 1/3 | SYR4 | 2012–2014 |
80 contaminants tested, none detected
Utility contact
Frequently asked questions about Hopkins
Is Hopkins tap water safe to drink?
EPA monitoring detected 12 contaminants in Hopkins'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 Hopkins's water?
EPA monitoring detected Copper, Lead, Fluoride, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Hopkins serve?
Hopkins reports serving 19,462 people in Minnesota, per its EPA record.
Has Hopkins had any water quality violations?
The EPA has 3 violations on file for Hopkins, 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.