What was found in Newark's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 4200 µg/L 42% of the EPA limit 10000 µg/L | 4/5 | SYR4 |
| Nitrate-Nitrite | 4200 µg/L 42% of the EPA limit 10000 µg/L | 3/5 | SYR4 |
| Fluoride | 1020 µg/L 26% of the EPA limit 4000 µg/L | 3/5 | SYR4 |
| Copper | 252 µg/L 19% of the EPA limit 1300 µg/L | 5/5 | SYR4 |
| Barium | 130 µg/L 6.5% of the EPA limit 2000 µg/L | 3/5 | SYR4 |
| TTHM | 119 µg/L 149% of the EPA limit, in the worst sample — 80 µg/L | 4/5 | SYR4 |
| Chloroform | 96.4 µg/L No EPA limit set | 4/5 | SYR4 |
| Total Haloacetic Acids (HAA5) | 58.4 µg/L 97% of the EPA limit 60 µg/L | 2/5 | SYR4 |
| Lead | 47.1 µg/L 314% of the EPA limit, in the worst sample — 15 µg/L | 3/5 | SYR4 |
| Dichloroacetic Acid | 39.71 µg/L No EPA limit set | 3/5 | SYR4 |
| Bromoform | 37.29 µg/L No EPA limit set | 4/5 | SYR4 |
| Trichloroacetic Acid | 26.9 µg/L No EPA limit set | 2/5 | SYR4 |
| Bromodichloromethane | 18.6 µg/L No EPA limit set | 4/5 | SYR4 |
| Dibromochloromethane | 10.61 µg/L No EPA limit set | 4/5 | SYR4 |
| Nitrite | 10 µg/L 1% of the EPA limit 1000 µg/L | 1/5 | SYR4 |
| Monochloroacetic Acid | 9.715 µg/L No EPA limit set | 1/5 | SYR4 |
| Dibromoacetic Acid | 9 µg/L No EPA limit set | 2/5 | SYR4 |
| Atrazine | 6.65 µg/L 222% of the EPA limit, in the worst sample — 3 µg/L | 1/5 | SYR4 |
| Arsenic | 3 µg/L 30% of the EPA limit 10 µg/L | 1/5 | SYR4 |
| Monobromoacetic Acid | 2.521 µg/L No EPA limit set | 1/5 | SYR4 |
| Simazine | 1.47 µg/L 37% of the EPA limit 4 µg/L | 1/5 | SYR4 |
| Pfba | 0.0095 µg/L No EPA limit set | 1/5 | UCMR-5 |
| Lead | 0.0048 mg/L 32% of the EPA limit 0.0150 mg/L | 5/5 | LCR |
Water suppliers serving Newark
| Supplier | Population served |
|---|---|
| NEWARK CITY PWS | 49,934 |
| ST LOUISVILLE VILLAGE PWS | 374 |
| WILKINS MOBILE HOME PARK | 115 |
| WINDING CREEK ESTATES | 57 |
| COUNTRY HILLS MHP | 48 |
Frequently asked questions about Newark tap water
Is Newark tap water safe to drink?
EPA testing detected 23 contaminants in the water serving Newark. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Newark?
5 public water suppliers report drinking-water monitoring for Newark, Ohio to the EPA. Each is listed above with its population served.
What contaminants are in Newark's water?
The contaminants EPA monitoring detected in Newark include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Barium. The full list, with the highest level found and the data source, is in the table above.
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.