PORT WASHINGTON WD
NY · PWS ID NY2912267 · Community water system
106
contaminants tested
36
detected
34,000
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0053 ug/L | 3/16 | 2025 |
| PFPeA | 0.0069 ug/L | 3/16 | 2025 |
| PFHxA | 0.0036 ug/L | 2/16 | 2025 |
| 6:2 FTS | 0.0065 ug/L | 1/16 | 2025 |
| PFNA | 0.0042 ug/L | 1/16 | 2025 |
| PFOS | 0.0047 ug/L | 1/16 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 10300 UG/L | 1130/1138 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 10300 UG/L | 348/356 | SYR4 | 2012–2019 |
| cis-1,2-Dichloroethylene | 10.4 UG/L | 156/923 | SYR4 | 2012–2019 |
| Barium | 660 UG/L | 127/130 | SYR4 | 2012–2019 |
| 1,1-Dichloroethylene | 6.7 UG/L | 100/923 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 19.4 UG/L | 99/899 | SYR4 | 2012–2019 |
| Trichloroethylene | 4.8 UG/L | 98/923 | SYR4 | 2012–2019 |
| 1,1,1-Trichloroethane | 4.1 UG/L | 88/923 | SYR4 | 2012–2019 |
| COPPER, FREE | 170 UG/L | 53/132 | SYR4 | 2012–2019 |
| Heptachlor epoxide | 0.1000 UG/L | 48/155 | SYR4 | 2012–2019 |
| ETHYLENE DIBROMIDE | 0.0300 UG/L | 40/254 | SYR4 | 2012–2019 |
| Combined Uranium | 3.44 UG/L | 31/57 | SYR4 | 2013–2019 |
| Combined Radium (-226 and -228) | 4.4 PCI/L | 25/52 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 4.05 PCI/L | 24/25 | SYR4 | 2016–2019 |
| Selenium | 3.3 UG/L | 20/131 | SYR4 | 2012–2019 |
| Bromoform | 1.9 UG/L | 15/132 | SYR4 | 2012–2019 |
| TTHM | 1.9 UG/L | 14/131 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0120 mg/L | 12/12 | LCR | 2024 |
| Fluoride | 260 UG/L | 6/132 | SYR4 | 2012–2019 |
| Lead | 4.5 UG/L | 6/131 | SYR4 | 2012–2019 |
| Chlordane | 0.8500 UG/L | 5/156 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon and U | 1.14 PCI/L | 5/57 | SYR4 | 2013–2019 |
| Carbon tetrachloride | 2.48 UG/L | 2/924 | SYR4 | 2012–2019 |
| Chromium | 3.4 UG/L | 2/143 | SYR4 | 2012–2019 |
| 1,1,2-Trichloroethane | 1.2 UG/L | 1/924 | SYR4 | 2012–2019 |
| 1,2-Dichloroethane | 0.9800 UG/L | 1/924 | SYR4 | 2012–2019 |
| 2,4-D | 2.6 UG/L | 1/139 | SYR4 | 2012–2019 |
| Chloroform | 0.5600 UG/L | 1/132 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 0.7500 UG/L | 1/139 | SYR4 | 2012–2019 |
| Nitrite | 1800 UG/L | 1/360 | SYR4 | 2012–2019 |
70 contaminants tested, none detected
1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP4:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromodichloromethaneCHLOROBENZENECYANIDECadmiumCarbofuranDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDibromochloromethaneDinosebDiquatEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneVinyl chloridelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
NORTH HEMPSTEAD (T)