SPOKANE CITY OF
WA · PWS ID WA5383100 · Community water system
108
contaminants tested
19
detected
346,138
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0039 ug/L | 1/12 | 2025 |
| PFHxA | 0.0035 ug/L | 1/12 | 2025 |
| PFOS | 0.0061 ug/L | 1/12 | 2025 |
| PFPeA | 0.0033 ug/L | 1/12 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3680 UG/L | 156/156 | SYR4 | 2012–2019 |
| TTHM | 5.64 UG/L | 78/78 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.33 UG/L | 77/114 | SYR4 | 2012–2019 |
| Bromodichloromethane | 1.74 UG/L | 69/114 | SYR4 | 2012–2019 |
| Chloroform | 1.28 UG/L | 52/114 | SYR4 | 2012–2019 |
| Bromoform | 1.78 UG/L | 42/115 | SYR4 | 2012–2019 |
| COPPER, FREE | 14.5 UG/L | 24/30 | SYR4 | 2012–2019 |
| Arsenic | 5.07 UG/L | 19/19 | SYR4 | 2012–2019 |
| Barium | 59.5 UG/L | 19/19 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2940 UG/L | 19/19 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 15/15 | LCR | 2024 |
| Lead | 2.71 UG/L | 10/30 | SYR4 | 2012–2019 |
| Chromium | 1.31 UG/L | 2/19 | SYR4 | 2012–2019 |
| Mercury | 0.2200 UG/L | 2/19 | SYR4 | 2012–2019 |
| Selenium | 1.15 UG/L | 1/19 | SYR4 | 2012–2019 |
89 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, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDichloroacetic AcidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneFluorideGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Haloacetic Acids (HAA5)Total Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene