What was found in ZIP 02657
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 |
|---|---|---|---|
| Cyanide | 910 µg/L 455% of the EPA limit, at the 95th percentile of samples — 200 µg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2018 | 1/1 | SYR4 |
| Nitrate | 625 µg/L 6.3% of the EPA limit 10000 µg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Copper | 20.25 µg/L 1.6% of the EPA limit 1300 µg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| TTHM | 14.39 µg/L 18% of the EPA limit 80 µg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 7.075 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 6.098 µg/L 10% of the EPA limit 60 µg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 5.13 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Barium | 5 µg/L 0.3% of the EPA limit 2000 µg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2018 | 1/1 | SYR4 |
| Monochloroacetic Acid | 4.0925 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Bromoform | 3.442 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Chloroform | 3.057 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 2.7355 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.306 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 1.505 µg/L No EPA limit set Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Tetrachloroethylene | 1.218 µg/L 24% of the EPA limit 5 µg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: PROVINCETOWN WATER DEPARTMENT · 22,250 people · 2023 | 1/1 | 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 02657
| Supplier | State | Population served |
|---|---|---|
| PROVINCETOWN WATER DEPARTMENT | MA | 22,250 |
Frequently asked questions about ZIP 02657 tap water
Is the tap water in ZIP 02657 safe to drink?
EPA testing detected 16 contaminants across the water suppliers serving ZIP 02657. 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 02657?
1 public water supplier report EPA drinking-water monitoring for ZIP 02657. Each is listed above with its population served.
What contaminants are in ZIP 02657's water?
EPA monitoring detected Cyanide, Nitrate, Copper, TTHM, Monobromoacetic Acid, and others across this ZIP's suppliers. The full list with levels and sources is above.