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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2015-07-31 |
| TT | Health-based | Resolved | 2015-07-31 |
| TT | Health-based | Resolved | 2015-07-31 |
| TT | Health-based | Resolved | 2010-05-06 |
| TT | Health-based | Resolved | 2010-05-06 |
| TT | Health-based | Resolved | 2010-05-06 |
| TT | Health-based | Resolved | 2010-05-06 |
| MR | Monitoring | Resolved | 2022-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2022-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2022-01-01 → 2022-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 95.9 µg/L 120% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 140 µg/L | 59/59 | SYR4 | 2012–2019 |
| Bromodichloromethane | 5.415 µg/L No EPA limit set
worst single sample: 22.8 µg/L | 58/59 | SYR4 | 2012–2019 |
| Chloroform | 95 µg/L No EPA limit set
worst single sample: 128 µg/L | 57/59 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 72.7 µg/L 121% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 138 µg/L | 54/59 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 31.35 µg/L No EPA limit set
worst single sample: 69 µg/L | 52/59 | SYR4 | 2012–2019 |
| Nitrate | 1250 µg/L 13% of the EPA limit 10000 µg/L
worst single sample: 1260 µg/L | 48/48 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 49.56 µg/L No EPA limit set
worst single sample: 69 µg/L | 47/59 | SYR4 | 2012–2019 |
| Lead | 0.0016 mg/L 11% of the EPA limit 0.0150 mg/L | 26/26 | LCR | 2023 |
| Monochloroacetic Acid | 3.21 µg/L No EPA limit set
worst single sample: 3.5 µg/L | 24/59 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.795 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 22/59 | SYR4 | 2012–2019 |
| Barium | 55.64 µg/L 2.8% of the EPA limit 2000 µg/L
worst single sample: 56 µg/L | 9/9 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.38 µg/L No EPA limit set
worst single sample: 1.42 µg/L | 6/59 | SYR4 | 2012–2019 |
| Arsenic | 1.78 µg/L 18% of the EPA limit 10 µg/L
worst single sample: 1.8 µg/L | 5/9 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 1.06 pCi/L 21% of the EPA limit 5 pCi/L
worst single sample: 1.11 pCi/L | 3/6 | SYR4 | 2013–2016 |
| Monobromoacetic Acid | 1.776 µg/L No EPA limit set
worst single sample: 1.8 µg/L | 3/59 | SYR4 | 2012–2019 |
| Copper | 50 µg/L 3.8% of the EPA limit 1300 µg/L | 1/1 | SYR4 | 2012 |
85 contaminants tested, none detected
Utility contact
Frequently asked questions about Wilton Water & Sewer Authority
Is Wilton Water & Sewer Authority tap water safe to drink?
EPA monitoring detected 16 contaminants in Wilton Water & Sewer Authority'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 Wilton Water & Sewer Authority's water?
EPA monitoring detected TTHM, Bromodichloromethane, Chloroform, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Wilton Water & Sewer Authority serve?
Wilton Water & Sewer Authority reports serving 9,490 people in New York, per its EPA record.
Has Wilton Water & Sewer Authority had any water quality violations?
The EPA has 652 violations on file for Wilton Water & Sewer Authority, of which 7 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.