RIVERHEAD WATER DISTRICT
NY · PWS ID NY5103705 · Community water system
31
contaminants tested
5
detected
35,000
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0033 ug/L | 1/20 | 2024 |
| PFOA | 0.0040 ug/L | 1/20 | 2024 |
| PFOS | 0.0052 ug/L | 1/20 | 2024 |
| PFPeA | 0.0032 ug/L | 1/20 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| LEAD SUMMARY | 0.0039 mg/L | 9/9 | LCR | 2027 |
26 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAHFPO-DANEtFOSAANFDHANMeFOSAAPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAlithium
Areas served
RIVERHEAD (T)