What was found in Holbrook'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 |
|---|---|---|---|
| TTHM | 91.625 µg/L 115% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Chloroform | 48.925 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 37.72 µg/L 63% of the EPA limit 60 µg/L Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 28.725 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 17.53 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 16.21 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 15 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 9.76 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.43 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Bromoform | 2.26 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 1.27 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2019 | 1/1 | SYR4 |
| PFOS | 0.0119 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2025 | 1/1 | UCMR-5 |
| Pfba | 0.0100 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2025 | 1/1 | UCMR-5 |
| PFOA | 0.0070 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2025 | 1/1 | UCMR-5 |
| Pfhxa | 0.0050 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2025 | 1/1 | UCMR-5 |
| Pfpea | 0.0050 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2025 | 1/1 | UCMR-5 |
| PFBS | 0.0030 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2025 | 1/1 | UCMR-5 |
| Pfhpa | 0.0030 µg/L No EPA limit set Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: HOLBROOK PUBLIC WORKS DEPT · 11,405 people · 2023 | 1/1 | LCR |
Water suppliers serving Holbrook
| Supplier | Population served |
|---|---|
| HOLBROOK PUBLIC WORKS DEPT | 11,405 |
Frequently asked questions about Holbrook tap water
Is Holbrook tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Holbrook. 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 Holbrook?
1 public water supplier report drinking-water monitoring for Holbrook, Massachusetts to the EPA. Each is listed above with its population served.
What contaminants are in Holbrook's water?
The contaminants EPA monitoring detected in Holbrook include TTHM, Chloroform, Total Haloacetic Acids (HAA5), Bromodichloromethane, Trichloroacetic Acid. 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.