What was found in Newport's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 1100 µg/L 11% of the EPA limit 10000 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Nitrate-Nitrite | 640 µg/L 6.4% of the EPA limit 10000 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2016 | 1/2 | SYR4 |
| Copper | 205.6 µg/L 16% of the EPA limit 1300 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 2/2 | SYR4 |
| TTHM | 72.9 µg/L 91% of the EPA limit 80 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Chloroform | 69.85 µg/L No EPA limit set Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Barium | 18.04 µg/L 0.9% of the EPA limit 2000 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019
Highest in the city: 51.66 µg/L — CARY AND ALLEN ST DEV · 43 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 50.9 µg/L 85% of the EPA limit 60 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Trichloroacetic Acid | 28.95 µg/L No EPA limit set Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Dichloroacetic Acid | 21 µg/L No EPA limit set Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Lead | 10.7 µg/L 71% of the EPA limit 15 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2018 | 2/2 | SYR4 |
| Tetrachloroethylene | 10.285 µg/L 206% of the EPA limit, at the 95th percentile of samples — 5 µg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Bromodichloromethane | 3.985 µg/L No EPA limit set Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Arsenic | 2.795 µg/L 28% of the EPA limit 10 µg/L Highest in the city: CARY AND ALLEN ST DEV · 43 people · 2019 | 1/2 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2 pCi/L 13% of the EPA limit 15 pCi/L Highest in the city: CARY AND ALLEN ST DEV · 43 people · 2015 | 1/2 | SYR4 |
| Dibromoacetic Acid | 1.5 µg/L No EPA limit set Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Combined Uranium | 1 µg/L 3.3% of the EPA limit 30 µg/L Highest in the city: CARY AND ALLEN ST DEV · 43 people · 2017 | 1/2 | SYR4 |
| Dibromochloromethane | 0.7000 µg/L No EPA limit set Main supplier: NEWPORT WATER WORKS · 5,000 people · 2019 | 1/2 | SYR4 |
| Lead | 0.0140 mg/L 93% of the EPA limit 0.0150 mg/L Main supplier: NEWPORT WATER WORKS · 5,000 people · 2023 | 1/2 | LCR |
Water suppliers serving Newport
| Supplier | Population served |
|---|---|
| NEWPORT WATER WORKS | 5,000 |
| CARY AND ALLEN ST DEV | 43 |
Frequently asked questions about Newport tap water
Is Newport tap water safe to drink?
EPA testing detected 18 contaminants in the water serving Newport. 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 Newport?
2 public water suppliers report drinking-water monitoring for Newport, New Hampshire to the EPA. Each is listed above with its population served.
What contaminants are in Newport's water?
The contaminants EPA monitoring detected in Newport include Nitrate, Nitrate-Nitrite, Copper, TTHM, Chloroform. The full list, with the level at the main supplier 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.