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 | 2004-07-01 → 2004-07-31 |
| MCL | Health-based | Resolved | 2004-07-01 → 2004-07-31 |
| MCL | Health-based | Resolved | 2004-07-01 → 2004-07-31 |
| MCL | Health-based | Resolved | 2004-07-01 → 2004-07-31 |
| MCL | Health-based | Resolved | 2004-05-01 → 2004-05-31 |
| MCL | Health-based | Resolved | 2004-05-01 → 2004-05-31 |
| MCL | Health-based | Resolved | 2004-05-01 → 2004-05-31 |
| MCL | Health-based | Archived | 2001-03-01 → 2001-03-31 |
| MCL | Health-based | Archived | 2001-01-01 → 2001-03-31 |
| MCL | Health-based | Resolved | 1996-07-01 → 1996-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3965 µg/L 40% of the EPA limit 10000 µg/L
worst single sample: 4200 µg/L | 70/70 | SYR4 | 2012–2019 |
| Copper | 128.6 µg/L 9.9% of the EPA limit 1300 µg/L
worst single sample: 438 µg/L | 65/86 | SYR4 | 2012–2019 |
| Barium | 81.627 µg/L 4.1% of the EPA limit 2000 µg/L
worst single sample: 114.3 µg/L | 43/43 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 3890 µg/L 39% of the EPA limit 10000 µg/L
worst single sample: 4200 µg/L | 35/35 | SYR4 | 2012–2019 |
| Chromium | 3.2 µg/L 3.2% of the EPA limit 100 µg/L
worst single sample: 4.9 µg/L | 27/43 | SYR4 | 2012–2019 |
| Selenium | 0.9900 µg/L 2% of the EPA limit 50 µg/L
worst single sample: 1.2 µg/L | 16/43 | SYR4 | 2012–2019 |
| Lead | 0.0011 mg/L 7.3% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2023 |
| Lead | 13.555 µg/L 90% of the EPA limit 15 µg/L
worst single sample: 17.9 µg/L | 12/92 | SYR4 | 2012–2019 |
| Chloroform | 1.575 µg/L No EPA limit set
worst single sample: 1.59 µg/L | 11/11 | SYR4 | 2013–2019 |
| Mercury | 1 µg/L 50% of the EPA limit 2 µg/L | 6/60 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.174 µg/L No EPA limit set
worst single sample: 1.2 µg/L | 5/11 | SYR4 | 2013–2019 |
| Bromodichloromethane | 0.7580 µg/L No EPA limit set
worst single sample: 0.7700 µg/L | 4/11 | SYR4 | 2013–2019 |
| TTHM | 3.773 µg/L 4.7% of the EPA limit 80 µg/L
worst single sample: 3.8 µg/L | 4/4 | SYR4 | 2015–2019 |
| Combined Radium (-226 And -228) | 0.8450 pCi/L 17% of the EPA limit 5 pCi/L
worst single sample: 0.8900 pCi/L | 3/4 | SYR4 | 2013–2019 |
| Bromoform | 0.5195 µg/L No EPA limit set
worst single sample: 0.5200 µg/L | 2/11 | SYR4 | 2013–2019 |
90 contaminants tested, none detected
Utility contact
Frequently asked questions about Long Neck Water Company
Is Long Neck Water Company tap water safe to drink?
EPA monitoring detected 15 contaminants in Long Neck Water Company'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 Long Neck Water Company's water?
EPA monitoring detected Nitrate, Copper, Barium, Nitrate-Nitrite, Chromium, and others. The full list with the level and data source for each is above.
How many people does Long Neck Water Company serve?
Long Neck Water Company reports serving 11,000 people in Delaware, per its EPA record.
Has Long Neck Water Company had any water quality violations?
The EPA has 15 violations on file for Long Neck Water Company, of which 13 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.