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 | Archived | 2026-01-01 → 2026-03-31 |
| MR | Monitoring | Archived | 2026-01-01 → 2026-03-31 |
| MR | Monitoring | Archived | 2025-12-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2025-12-01 → 2025-12-31 |
| MR | Monitoring | Resolved | 2015-12-01 → 2015-12-31 |
| MR | Monitoring | Resolved | 2015-12-01 → 2015-12-31 |
| MR | Monitoring | Resolved | 2015-09-01 → 2015-09-30 |
| MR | Monitoring | Resolved | 2015-09-01 → 2015-09-30 |
| MR | Monitoring | Resolved | 2015-09-01 → 2015-09-30 |
| MR | Monitoring | Resolved | 2015-09-01 → 2015-09-30 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 490 µg/L 38% of the EPA limit 1300 µg/L
worst single sample: 6430 µg/L | 443/543 | SYR4 | 2012–2019 |
| TTHM | 76.32 µg/L 95% of the EPA limit 80 µg/L
worst single sample: 101 µg/L | 277/277 | SYR4 | 2012–2019 |
| Chloroform | 53.4 µg/L No EPA limit set
worst single sample: 69.7 µg/L | 276/277 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 39.85 µg/L 66% of the EPA limit 60 µg/L
worst single sample: 76.6 µg/L | 276/277 | SYR4 | 2012–2019 |
| Bromodichloromethane | 17.435 µg/L No EPA limit set
worst single sample: 24.8 µg/L | 274/277 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 18.58 µg/L No EPA limit set
worst single sample: 29.8 µg/L | 273/277 | SYR4 | 2012–2019 |
| Dibromochloromethane | 10.3 µg/L No EPA limit set
worst single sample: 12.9 µg/L | 272/277 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 20.16 µg/L No EPA limit set
worst single sample: 43.4 µg/L | 253/277 | SYR4 | 2012–2019 |
| Nitrate | 6132 µg/L 61% of the EPA limit 10000 µg/L
worst single sample: 7220 µg/L | 224/224 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.845 µg/L No EPA limit set
worst single sample: 5.8 µg/L | 212/277 | SYR4 | 2012–2019 |
| Bromoform | 1.855 µg/L No EPA limit set
worst single sample: 2.9 µg/L | 210/277 | SYR4 | 2012–2019 |
| Lead | 18 µg/L 120% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 267 µg/L | 129/499 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 4.2 µg/L No EPA limit set
worst single sample: 15 µg/L | 119/277 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 6004 µg/L 60% of the EPA limit 10000 µg/L
worst single sample: 7220 µg/L | 112/112 | SYR4 | 2012–2019 |
| Barium | 300 µg/L 15% of the EPA limit 2000 µg/L | 28/74 | SYR4 | 2012–2019 |
| Fluoride | 879.45 µg/L 22% of the EPA limit 4000 µg/L
worst single sample: 900 µg/L | 22/119 | SYR4 | 2012–2019 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2025 |
| Monochloroacetic Acid | 4.73 µg/L No EPA limit set
worst single sample: 5.3 µg/L | 20/277 | SYR4 | 2012–2019 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L | 8/74 | SYR4 | 2012–2019 |
| Combined Uranium | 3.064 µg/L 10% of the EPA limit 30 µg/L
worst single sample: 3.28 µg/L | 5/6 | SYR4 | 2014–2017 |
| Di(2-ethylhexyl) Phthalate | 0.2180 µg/L 3.6% of the EPA limit 6 µg/L
worst single sample: 0.2200 µg/L | 5/5 | SYR4 | 2012–2018 |
| Lithium | 28.2 µg/L No EPA limit set | 5/30 | UCMR-5 | 2024 |
| Gross Alpha, Excl. Radon And U | 9.48007 pCi/L 63% of the EPA limit 15 pCi/L
worst single sample: 10.9 pCi/L | 4/5 | SYR4 | 2014–2017 |
| 2,4-D | 0.5199 µg/L 0.7% of the EPA limit 70 µg/L
worst single sample: 0.5270 µg/L | 3/5 | SYR4 | 2012–2018 |
| Benzo(A)Pyrene | 0.0295 µg/L 15% of the EPA limit 0.2000 µg/L
worst single sample: 0.0300 µg/L | 2/7 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 3.126 pCi/L 63% of the EPA limit 5 pCi/L
worst single sample: 3.19 pCi/L | 2/11 | SYR4 | 2014–2017 |
| Tetrachloroethylene | 0.6900 µg/L 14% of the EPA limit 5 µg/L
worst single sample: 0.7000 µg/L | 2/127 | SYR4 | 2012–2019 |
| Pentachlorophenol | 0.0379 µg/L 3.8% of the EPA limit 1 µg/L | 1/5 | SYR4 | 2012–2018 |
70 contaminants tested, none detected
Utility contact
Frequently asked questions about Nj American Water - Short Hills
Is Nj American Water - Short Hills tap water safe to drink?
EPA monitoring detected 35 contaminants in Nj American Water - Short Hills'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 Nj American Water - Short Hills's water?
EPA monitoring detected Copper, TTHM, Chloroform, Total Haloacetic Acids (HAA5), Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Nj American Water - Short Hills serve?
Nj American Water - Short Hills reports serving 217,230 people in New Jersey, per its EPA record.
Has Nj American Water - Short Hills had any water quality violations?
The EPA has 28 violations on file for Nj American Water - Short Hills, 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.