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 |
|---|---|---|---|
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| MON | Monitoring | Resolved | 2022-07-01 → 2022-07-31 |
| MON | Monitoring | Resolved | 2022-07-01 → 2022-07-31 |
| MON | Monitoring | Resolved | 2022-07-01 → 2022-07-31 |
| Other | Monitoring | Resolved | 2015-07-01 |
| Other | Monitoring | Resolved | 2015-07-01 |
| MR | Monitoring | Resolved | 2006-01-10 |
| MR | Monitoring | Resolved | 2006-01-10 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 504.05 µg/L 5% of the EPA limit 10000 µg/L
worst single sample: 564 µg/L | 32/32 | SYR4 | 2012–2019 |
| Lead | 0.00078 mg/L 5.2% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2023 |
| Barium | 181.25 µg/L 9.1% of the EPA limit 2000 µg/L
worst single sample: 183 µg/L | 6/6 | SYR4 | 2013–2019 |
| Arsenic | 1.38 µg/L 14% of the EPA limit 10 µg/L
worst single sample: 1.4 µg/L | 3/6 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 0.9940 pCi/L 20% of the EPA limit 5 pCi/L
worst single sample: 1.01 pCi/L | 3/4 | SYR4 | 2013–2019 |
| Bromodichloromethane | 2.0485 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 2/4 | SYR4 | 2013–2019 |
| Bromoform | 1.182 µg/L No EPA limit set
worst single sample: 1.2 µg/L | 2/4 | SYR4 | 2013–2019 |
| Combined Uranium | 3.5671 µg/L 12% of the EPA limit 30 µg/L
worst single sample: 3.7101 µg/L | 2/3 | SYR4 | 2013–2019 |
| Dibromochloromethane | 2.7465 µg/L No EPA limit set
worst single sample: 2.8 µg/L | 2/4 | SYR4 | 2013–2019 |
| Fluoride | 442.5 µg/L 11% of the EPA limit 4000 µg/L
worst single sample: 460 µg/L | 2/6 | SYR4 | 2013–2019 |
| TTHM | 6.756 µg/L 8.4% of the EPA limit 80 µg/L
worst single sample: 6.92 µg/L | 2/4 | SYR4 | 2013–2019 |
| Chloroform | 0.8200 µg/L No EPA limit set | 1/4 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.4 µg/L No EPA limit set | 1/3 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 1.2 µg/L No EPA limit set | 1/3 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 1.1 pCi/L 7.3% of the EPA limit 15 pCi/L | 1/3 | SYR4 | 2013–2019 |
| Lead | 5.8 µg/L 39% of the EPA limit 15 µg/L | 1/1 | SYR4 | 2019 |
| Total Haloacetic Acids (HAA5) | 2.6 µg/L 4.3% of the EPA limit 60 µg/L | 1/3 | SYR4 | 2013–2019 |
57 contaminants tested, none detected
Utility contact
Frequently asked questions about Mountaindale Wd
Is Mountaindale Wd tap water safe to drink?
EPA monitoring detected 17 contaminants in Mountaindale Wd'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 Mountaindale Wd's water?
EPA monitoring detected Nitrate, Lead, Barium, Arsenic, Combined Radium (-226 And -228), and others. The full list with the level and data source for each is above.
How many people does Mountaindale Wd serve?
Mountaindale Wd reports serving 320 people in New York, per its EPA record.
Has Mountaindale Wd had any water quality violations?
The EPA has 18 violations on file for Mountaindale Wd, 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.