QUISTORFF
WA · PWS ID WA5370550 · Community water system
99
contaminants tested
15
detected
1,113
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0071 ug/L | 2/8 | 2025 |
| PFBS | 0.0350 ug/L | 2/8 | 2025 |
| PFHxA | 0.0170 ug/L | 2/8 | 2025 |
| PFHxS | 0.0440 ug/L | 2/8 | 2025 |
| PFOS | 0.0120 ug/L | 2/8 | 2025 |
| PFPeA | 0.0170 ug/L | 2/8 | 2025 |
| PFPeS | 0.0200 ug/L | 2/8 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| LEAD SUMMARY | 0.0117 mg/L | 14/14 | LCR | 2024 |
| Nitrate | 500 UG/L | 10/60 | SYR4 | 2012–2019 |
| Arsenic | 8 UG/L | 5/9 | SYR4 | 2012–2018 |
| Barium | 13 UG/L | 4/9 | SYR4 | 2012–2018 |
| Chromium | 2 UG/L | 2/9 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 500 UG/L | 2/9 | SYR4 | 2012–2018 |
| COPPER, FREE | 6 UG/L | 1/9 | SYR4 | 2012–2018 |
| Selenium | 1 UG/L | 1/9 | SYR4 | 2012–2018 |
84 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromodichloromethaneBromoformCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChlordaneChloroformDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDibromochloromethaneDichloroacetic AcidDinosebEndrinEthylbenzeneFluorideHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitritePFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOAPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Haloacetic Acids (HAA5)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene