DERRY WATER DEPT
NH · PWS ID NH0611010 · Community water system
44
contaminants tested
12
detected
17,370
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0046 ug/L | 3/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 5.6 UG/L | 80/80 | SYR4 | 2014–2019 |
| Chloroform | 20 UG/L | 80/80 | SYR4 | 2014–2019 |
| TTHM | 26 UG/L | 80/80 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 29.5 UG/L | 71/80 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 11 UG/L | 69/80 | SYR4 | 2014–2019 |
| Dibromochloromethane | 1 UG/L | 68/80 | SYR4 | 2014–2019 |
| COPPER, FREE | 313.795 UG/L | 31/31 | SYR4 | 2014–2017 |
| LEAD SUMMARY | 0.0070 mg/L | 14/14 | LCR | 2023 |
| Monochloroacetic acid | 27 UG/L | 6/80 | SYR4 | 2014–2019 |
| Lead | 26.8364 UG/L | 4/31 | SYR4 | 2014–2017 |
| Trichloroacetic Acid | 8.6 UG/L | 4/80 | SYR4 | 2014–2019 |
32 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONABromoformDibromoacetic acidHFPO-DAMonobromoacetic acidNEtFOSAANFDHANMeFOSAAPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAlithium
Areas served
DERRY