What was found in ZIP 01876
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 860 µg/L 8.6% of the EPA limit 10000 µg/L Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019
Highest in the ZIP: 2905 µg/L — TEWKSBURY HOSPITAL · 2,500 people · 2019 | 2/2 | SYR4 |
| Nitrite | 1395.5 µg/L 140% of the EPA limit, at the 95th percentile of samples — 1000 µg/L Highest in the ZIP: TEWKSBURY HOSPITAL · 2,500 people · 2019 | 1/2 | SYR4 |
| Fluoride | 1000 µg/L 25% of the EPA limit 4000 µg/L Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2018 | 1/2 | SYR4 |
| Chlorite | 460 µg/L 46% of the EPA limit 1000 µg/L Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 1/2 | SYR4 |
| TTHM | 87.1 µg/L 109% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 2/2 | SYR4 |
| Chloroform | 63.96 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 2/2 | SYR4 |
| Barium | 18.65 µg/L 0.9% of the EPA limit 2000 µg/L Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019
Highest in the ZIP: 41.7 µg/L — TEWKSBURY HOSPITAL · 2,500 people · 2019 | 2/2 | SYR4 |
| Copper | 31.71 µg/L 2.4% of the EPA limit 1300 µg/L Highest in the ZIP: TEWKSBURY HOSPITAL · 2,500 people · 2013 | 1/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 27.605 µg/L 46% of the EPA limit 60 µg/L Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 2/2 | SYR4 |
| Bromodichloromethane | 18 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019
Highest in the ZIP: 22.9 µg/L — TEWKSBURY HOSPITAL · 2,500 people · 2019 | 2/2 | SYR4 |
| Trichloroacetic Acid | 17.54 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 2/2 | SYR4 |
| Dibromochloromethane | 7.1 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019
Highest in the ZIP: 11.95 µg/L — TEWKSBURY HOSPITAL · 2,500 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 11.84 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 2/2 | SYR4 |
| Arsenic | 9.095 µg/L 91% of the EPA limit 10 µg/L Highest in the ZIP: TEWKSBURY HOSPITAL · 2,500 people · 2019 | 1/2 | SYR4 |
| Monochloroacetic Acid | 2.375 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 1/2 | SYR4 |
| Dibromoacetic Acid | 1.36 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 2/2 | SYR4 |
| Bromoform | 1.3 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 2/2 | SYR4 |
| Monobromoacetic Acid | 1.16 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2019 | 1/2 | SYR4 |
| Cadmium | 0.3110 µg/L 6.2% of the EPA limit 5 µg/L Highest in the ZIP: TEWKSBURY HOSPITAL · 2,500 people · 2019 | 1/2 | SYR4 |
| PFOA | 0.0050 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2024 | 1/2 | UCMR-5 |
| Pfhxa | 0.0040 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2024 | 1/2 | UCMR-5 |
| Pfpea | 0.0040 µg/L No EPA limit set Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2024 | 1/2 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: TEWKSBURY WATER DEPARTMENT · 31,342 people · 2023 | 2/2 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 01876
| Supplier | State | Population served |
|---|---|---|
| TEWKSBURY WATER DEPARTMENT | MA | 31,342 |
| TEWKSBURY HOSPITAL | MA | 2,500 |
Frequently asked questions about ZIP 01876 tap water
Is the tap water in ZIP 01876 safe to drink?
EPA testing detected 23 contaminants across the water suppliers serving ZIP 01876. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 01876?
2 public water suppliers report EPA drinking-water monitoring for ZIP 01876. Each is listed above with its population served.
What contaminants are in ZIP 01876's water?
EPA monitoring detected Nitrate, Nitrite, Fluoride, Chlorite, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.