What was found in Pembroke'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 | 1065 µg/L 11% of the EPA limit 10000 µg/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2019
Highest in the city: 3600 µg/L — BOROUGH RD APARTMENTS · 30 people · 2019 | 3/3 | SYR4 |
| Fluoride | 130 µg/L 3.3% of the EPA limit 4000 µg/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2019
Highest in the city: 716 µg/L — MEETING HOUSE WATER · 35 people · 2019 | 3/3 | SYR4 |
| Copper | 705 µg/L 54% of the EPA limit 1300 µg/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2019 | 2/3 | SYR4 |
| Nitrate-Nitrite | 270 µg/L 2.7% of the EPA limit 10000 µg/L Highest in the city: MEETING HOUSE WATER · 35 people · 2019 | 1/3 | SYR4 |
| Arsenic | 44.88 µg/L 449% of the EPA limit, at the 95th percentile of samples — 10 µg/L Highest in the city: MEETING HOUSE WATER · 35 people · 2019 | 2/3 | SYR4 |
| Barium | 25.5 µg/L 1.3% of the EPA limit 2000 µg/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2019
Highest in the city: 26.85 µg/L — BOROUGH RD APARTMENTS · 30 people · 2018 | 2/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 10.125 pCi/L 68% of the EPA limit 15 pCi/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2018 | 3/3 | SYR4 |
| Lead | 2 µg/L 13% of the EPA limit 15 µg/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2018 | 2/3 | SYR4 |
| Chloroform | 1.2 µg/L No EPA limit set Highest in the city: BOROUGH RD APARTMENTS · 30 people · 2019 | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 0.5600 pCi/L 11% of the EPA limit 5 pCi/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2015
Highest in the city: 1.2 pCi/L — BOROUGH RD APARTMENTS · 30 people · 2018 | 3/3 | SYR4 |
| Bromoform | 0.5400 µg/L No EPA limit set Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2019 | 1/3 | SYR4 |
| TTHM | 0.5400 µg/L 0.7% of the EPA limit 80 µg/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2019 | 1/3 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2024
Highest in the city: 0.0280 mg/L — MEETING HOUSE WATER · 35 people · 2024 | 2/3 | LCR |
| PFOS | 0.0065 µg/L No EPA limit set Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2023 | 1/3 | UCMR-5 |
| PFBS | 0.0059 µg/L No EPA limit set Main supplier: PEMBROKE WATER WORKS · 5,200 people · 2023 | 1/3 | UCMR-5 |
Water suppliers serving Pembroke
| Supplier | Population served |
|---|---|
| PEMBROKE WATER WORKS | 5,200 |
| MEETING HOUSE WATER | 35 |
| BOROUGH RD APARTMENTS | 30 |
Frequently asked questions about Pembroke tap water
Is Pembroke tap water safe to drink?
EPA testing detected 15 contaminants in the water serving Pembroke. 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 Pembroke?
3 public water suppliers report drinking-water monitoring for Pembroke, New Hampshire to the EPA. Each is listed above with its population served.
What contaminants are in Pembroke's water?
The contaminants EPA monitoring detected in Pembroke include Nitrate, Fluoride, Copper, Nitrate-Nitrite, Arsenic. 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.