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 | Archived | 1996-01-01 → 1996-01-31 |
| MCL | Health-based | Archived | 1993-09-01 → 1993-09-30 |
| MCL | Health-based | Archived | 1993-09-01 → 1993-09-30 |
| TT | Health-based | Resolved | 1992-01-01 |
| Other | Monitoring | Unaddressed | 2025-09-02 |
| MON | Monitoring | Resolved | 2025-07-01 → 2025-07-31 |
| MON | Monitoring | Resolved | 2025-07-01 → 2025-07-31 |
| MON | Monitoring | Resolved | 2025-07-01 → 2025-07-31 |
| MR | Monitoring | Archived | 2025-01-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2025-01-01 → 2025-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0118 mg/L 79% of the EPA limit 0.0150 mg/L | 20/20 | LCR | 2025 |
| Nitrate | 680 µg/L 6.8% of the EPA limit 10000 µg/L | 12/16 | SYR4 | 2012–2019 |
| Arsenic | 9.8 µg/L 98% of the EPA limit 10 µg/L
worst single sample: 10.1 µg/L | 7/7 | SYR4 | 2012–2019 |
| TTHM | 58.896 µg/L 74% of the EPA limit 80 µg/L
worst single sample: 66.12 µg/L | 5/5 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 13.12 µg/L 22% of the EPA limit 60 µg/L
worst single sample: 13.6 µg/L | 5/5 | SYR4 | 2013–2019 |
| Barium | 148.3 µg/L 7.4% of the EPA limit 2000 µg/L
worst single sample: 151 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 129.5 µg/L 3.2% of the EPA limit 4000 µg/L
worst single sample: 130 µg/L | 2/3 | SYR4 | 2012–2018 |
| Bromodichloromethane | 1.6 µg/L No EPA limit set | 1/1 | SYR4 | 2013 |
| Bromoform | 21 µg/L No EPA limit set | 1/1 | SYR4 | 2013 |
| Chloroform | 0.7500 µg/L No EPA limit set | 1/1 | SYR4 | 2013 |
| Dibromoacetic Acid | 6.8 µg/L No EPA limit set | 1/1 | SYR4 | 2013 |
| Dibromochloromethane | 6.6 µg/L No EPA limit set | 1/1 | SYR4 | 2013 |
| Dichloroacetic Acid | 1 µg/L No EPA limit set | 1/1 | SYR4 | 2013 |
| Selenium | 3 µg/L 6% of the EPA limit 50 µg/L | 1/3 | SYR4 | 2012–2018 |
28 contaminants tested, none detected
Utility contact
Frequently asked questions about Halcottsville Water District No. 1
Is Halcottsville Water District No. 1 tap water safe to drink?
EPA monitoring detected 14 contaminants in Halcottsville Water District No. 1'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 Halcottsville Water District No. 1's water?
EPA monitoring detected Lead, Nitrate, Arsenic, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Halcottsville Water District No. 1 serve?
Halcottsville Water District No. 1 reports serving 48 people in New York, per its EPA record.
Has Halcottsville Water District No. 1 had any water quality violations?
The EPA has 124 violations on file for Halcottsville Water District No. 1, of which 4 are health-based (a contaminant limit or required treatment was breached) and 3 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.