What was found in ZIP 03458
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 |
|---|---|---|---|
| Copper | 566 µg/L 44% of the EPA limit 1300 µg/L Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2019 | 1/1 | SYR4 |
| Lead | 21.9 µg/L 146% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2019 | 1/1 | SYR4 |
| TTHM | 11.645 µg/L 15% of the EPA limit 80 µg/L Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2019 | 1/1 | SYR4 |
| Bromoform | 4.825 µg/L No EPA limit set Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 4.02 µg/L No EPA limit set Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 2.53 µg/L No EPA limit set Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2019 | 1/1 | SYR4 |
| Chloroform | 1.74 µg/L No EPA limit set Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.1 pCi/L 22% of the EPA limit 5 pCi/L Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2017 | 1/1 | SYR4 |
| Lead | 0.0090 mg/L 60% of the EPA limit 0.0150 mg/L Main supplier: PETERBOROUGH WATER WORKS · 4,500 people · 2024 | 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 03458
| Supplier | State | Population served |
|---|---|---|
| PETERBOROUGH WATER WORKS | NH | 4,500 |
Frequently asked questions about ZIP 03458 tap water
Is the tap water in ZIP 03458 safe to drink?
EPA testing detected 9 contaminants across the water suppliers serving ZIP 03458. 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 03458?
1 public water supplier report EPA drinking-water monitoring for ZIP 03458. Each is listed above with its population served.
What contaminants are in ZIP 03458's water?
EPA monitoring detected Copper, Lead, TTHM, Bromoform, Dibromochloromethane, and others across this ZIP's suppliers. The full list with levels and sources is above.