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 | 2003-11-01 → 2003-11-30 |
| MCL | Health-based | Resolved | 2003-11-01 → 2003-11-30 |
| MCL | Health-based | Resolved | 2003-11-01 → 2003-11-30 |
| MCL | Health-based | Resolved | 2003-11-01 → 2003-11-30 |
| MCL | Health-based | Resolved | 2003-11-01 → 2003-11-30 |
| MCL | Health-based | Resolved | 2003-07-01 → 2003-09-30 |
| MCL | Health-based | Resolved | 2003-07-01 → 2003-09-30 |
| MCL | Health-based | Resolved | 2003-07-01 → 2003-09-30 |
| MCL | Health-based | Resolved | 2003-07-01 → 2003-09-30 |
| MCL | Health-based | Resolved | 2003-07-01 → 2003-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 48.25 µg/L 3.7% of the EPA limit 1300 µg/L
worst single sample: 53.5 µg/L | 6/12 | SYR4 | 2014–2018 |
| Arsenic | 3.045 µg/L 30% of the EPA limit 10 µg/L
worst single sample: 3.1 µg/L | 2/2 | SYR4 | 2014–2017 |
| Barium | 21.895 µg/L 1.1% of the EPA limit 2000 µg/L
worst single sample: 22 µg/L | 2/2 | SYR4 | 2014–2017 |
| Chromium | 5.755 µg/L 5.8% of the EPA limit 100 µg/L
worst single sample: 6 µg/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 347.5 µg/L 8.7% of the EPA limit 4000 µg/L
worst single sample: 350 µg/L | 2/2 | SYR4 | 2014–2017 |
| Lead | 2.43 µg/L 16% of the EPA limit 15 µg/L
worst single sample: 2.5 µg/L | 2/11 | SYR4 | 2015–2018 |
| Gross Alpha, Excl. Radon And U | 0.7000 pCi/L 4.7% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2015 |
61 contaminants tested, none detected
Utility contact
Frequently asked questions about Mallards Landing
Is Mallards Landing tap water safe to drink?
EPA monitoring detected 7 contaminants in Mallards Landing'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 Mallards Landing's water?
EPA monitoring detected Copper, Arsenic, Barium, Chromium, Fluoride, and others. The full list with the level and data source for each is above.
How many people does Mallards Landing serve?
Mallards Landing reports serving 325 people in New Hampshire, per its EPA record.
Has Mallards Landing had any water quality violations?
The EPA has 19 violations on file for Mallards Landing, of which 13 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.