VANCOUVER CITY OF
WA · PWS ID WA5391200 · Community water system
103
contaminants tested
20
detected
373,047
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxS | 0.0066 ug/L | 16/20 | 2024 |
| PFOS | 0.0186 ug/L | 16/20 | 2024 |
| PFBS | 0.0076 ug/L | 14/20 | 2024 |
| PFOA | 0.0115 ug/L | 10/20 | 2024 |
| PFHxA | 0.0073 ug/L | 8/20 | 2024 |
| PFPeA | 0.0074 ug/L | 8/20 | 2024 |
| PFHpA | 0.0030 ug/L | 1/20 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5130 UG/L | 374/400 | SYR4 | 2012–2019 |
| TTHM | 11.4 UG/L | 90/93 | SYR4 | 2012–2019 |
| Chloroform | 3.94 UG/L | 85/108 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.1 UG/L | 85/98 | SYR4 | 2012–2019 |
| Bromodichloromethane | 3.4 UG/L | 84/99 | SYR4 | 2012–2019 |
| Bromoform | 1.4 UG/L | 44/99 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 4600 UG/L | 26/33 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 15/15 | LCR | 2023 |
| Fluoride | 1000 UG/L | 9/10 | SYR4 | 2019 |
| Total Haloacetic Acids (HAA5) | 2.4 UG/L | 9/83 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 1.32 UG/L | 7/87 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1.3 UG/L | 4/87 | SYR4 | 2012–2019 |
| COPPER, FREE | 52 UG/L | 3/10 | SYR4 | 2019 |
83 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitritePFBAPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene