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 | Unaddressed | 2026-01-01 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0130 µg/L | 1/4 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 15.783 µg/L No EPA limit set
worst single sample: 17.54 µg/L | 100/100 | SYR4 | 2013–2019 |
| Chloroform | 46.7225 µg/L No EPA limit set
worst single sample: 54.27 µg/L | 100/100 | SYR4 | 2013–2019 |
| Dibromochloromethane | 6.4715 µg/L No EPA limit set
worst single sample: 7.06 µg/L | 100/100 | SYR4 | 2013–2019 |
| TTHM | 68.4885 µg/L 86% of the EPA limit 80 µg/L
worst single sample: 79.56 µg/L | 100/100 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 36.14 µg/L 60% of the EPA limit 60 µg/L
worst single sample: 48.47 µg/L | 99/100 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 21.4545 µg/L No EPA limit set
worst single sample: 31.47 µg/L | 98/100 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 16.4 µg/L No EPA limit set
worst single sample: 22.46 µg/L | 97/100 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 2.378 µg/L No EPA limit set
worst single sample: 2.51 µg/L | 49/100 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 6.019 µg/L No EPA limit set
worst single sample: 6.63 µg/L | 27/100 | SYR4 | 2013–2019 |
| Bromoform | 1.6435 µg/L No EPA limit set
worst single sample: 1.68 µg/L | 24/100 | SYR4 | 2013–2019 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2023 |
| Monobromoacetic Acid | 1.6 µg/L No EPA limit set | 1/100 | SYR4 | 2013–2019 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Lewiston Water Improvementarea
Is Lewiston Water Improvementarea tap water safe to drink?
EPA monitoring detected 13 contaminants in Lewiston Water Improvementarea'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 Lewiston Water Improvementarea's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Lewiston Water Improvementarea serve?
Lewiston Water Improvementarea reports serving 16,257 people in New York, per its EPA record.
Has Lewiston Water Improvementarea had any water quality violations?
The EPA has 1 violation on file for Lewiston Water Improvementarea, of which 0 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.