SEATTLE PUBLIC UTILITIES
WA · PWS ID WA5377050 · Community water system
104
contaminants tested
18
detected
1,161,961
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 90.76 UG/L | 375/375 | SYR4 | 2012–2019 |
| Chloroform | 87.4 UG/L | 373/375 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 85.2 UG/L | 367/367 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 34 UG/L | 361/361 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 51.2 UG/L | 358/358 | SYR4 | 2012–2019 |
| Bromodichloromethane | 9.19 UG/L | 308/311 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 5.45 UG/L | 126/355 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0200 mg/L | 30/30 | LCR | 2025 |
| Nitrate | 1180 UG/L | 26/44 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.95 UG/L | 9/381 | SYR4 | 2012–2019 |
| Arsenic | 8.1 UG/L | 3/3 | SYR4 | 2012 |
| Barium | 3.5 UG/L | 3/3 | SYR4 | 2012 |
| COPPER, FREE | 4.4 UG/L | 2/2 | SYR4 | 2012 |
| Dibromoacetic acid | 0.7980 UG/L | 2/376 | SYR4 | 2012–2019 |
| Fluoride | 800 UG/L | 2/2 | SYR4 | 2012 |
| Chromium | 1.2 UG/L | 1/3 | SYR4 | 2012 |
| Nitrite | 2 UG/L | 1/21 | SYR4 | 2012–2019 |
| Selenium | 1.2 UG/L | 1/3 | SYR4 | 2012 |
86 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, TotalBromoformCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateGross Beta Particle ActivityHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitrate-NitritePFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene