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 | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-07-01 → 2018-09-30 |
| MCL | Health-based | Resolved | 2018-07-01 → 2018-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 147.25 µg/L 11% of the EPA limit 1300 µg/L
worst single sample: 420 µg/L | 26/26 | SYR4 | 2015–2019 |
| Bromodichloromethane | 2.395 µg/L No EPA limit set
worst single sample: 2.6 µg/L | 22/37 | SYR4 | 2014–2019 |
| Chloroform | 100 µg/L No EPA limit set
worst single sample: 110 µg/L | 22/37 | SYR4 | 2014–2019 |
| TTHM | 101.695 µg/L 127% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 112 µg/L | 22/22 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 95.95 µg/L 160% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 99 µg/L | 22/22 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 67.65 µg/L No EPA limit set
worst single sample: 70 µg/L | 22/22 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 31.15 µg/L No EPA limit set
worst single sample: 34 µg/L | 20/22 | SYR4 | 2014–2019 |
| Lead | 17.2 µg/L 115% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 19 µg/L | 13/20 | SYR4 | 2015–2018 |
| Barium | 5.025 µg/L 0.3% of the EPA limit 2000 µg/L
worst single sample: 5.4 µg/L | 6/6 | SYR4 | 2016–2019 |
| Fluoride | 795 µg/L 20% of the EPA limit 4000 µg/L
worst single sample: 820 µg/L | 6/6 | SYR4 | 2016–2019 |
| Combined Radium (-226 And -228) | 1.49 pCi/L 30% of the EPA limit 5 pCi/L
worst single sample: 1.5 pCi/L | 3/3 | SYR4 | 2014 |
| Combined Uranium | 0.3900 µg/L 1.3% of the EPA limit 30 µg/L
worst single sample: 0.4000 µg/L | 3/3 | SYR4 | 2014 |
| Gross Alpha, Excl. Radon And U | 1.74 pCi/L 12% of the EPA limit 15 pCi/L
worst single sample: 1.8 pCi/L | 3/3 | SYR4 | 2014 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L | 3/3 | LCR | 2024 |
62 contaminants tested, none detected
Utility contact
Frequently asked questions about Lincoln Water Works
Is Lincoln Water Works tap water safe to drink?
EPA monitoring detected 14 contaminants in Lincoln Water Works'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 Lincoln Water Works's water?
EPA monitoring detected Copper, Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Lincoln Water Works serve?
Lincoln Water Works reports serving 3,300 people in New Hampshire, per its EPA record.
Has Lincoln Water Works had any water quality violations?
The EPA has 56 violations on file for Lincoln Water Works, of which 48 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.