Tap Water in Seattle, Washington

Overall rating

High concern tap water rating

Water systems

• Water systems serving ZIP 98158

  Score 19 · 28 contaminants · 18 over guideline

• Perfluorohexane sulfonate PFHXSWater systems serving ZIP 981581.51e-6 ppm
• Haloacetic acids (HAA9)Water systems serving ZIP 981580.0314 mg/L
• Perfluorononanoic acid PFNAWater systems serving ZIP 981583.13e-6 ppm
• Haloacetic acids (HAA5)Water systems serving ZIP 981580.0281 mg/L
• Total Trihalomethanes Water systems serving ZIP 981580.0367 mg/L
• Trichloroacetic acidWater systems serving ZIP 981580.0162 mg/L
• ChloroformWater systems serving ZIP 981580.0347 mg/L
• PFOS & PFOAWater systems serving ZIP 981587.13 ppt
• Dichloroacetic acidWater systems serving ZIP 981580.0128 mg/L
• BromodichloromethaneWater systems serving ZIP 981580.0032 mg/L
• Bromochloroacetic acidWater systems serving ZIP 981589.28e-4 mg/L
• Radium 226/228Water systems serving ZIP 981580.71 pCi/L
• DibromochloromethaneWater systems serving ZIP 981580.0011 mg/L
• Chromium (hexavalent)Water systems serving ZIP 981581.54e-4 mg/L
• Perfluorooctanoic acid PFOAWater systems serving ZIP 981585.14e-7 ppm
• Perfluorooctane sulfonate PFOSWater systems serving ZIP 981581.27e-6 ppm
• BromateWater systems serving ZIP 981583.52e-4 mg/L
• Dibromoacetic acidWater systems serving ZIP 981582.35e-5 mg/L
• Propylene NitrateWater systems serving ZIP 981580.062
• ChlorateWater systems serving ZIP 981580.0398 mg/L
• Monochloroacetic acidWater systems serving ZIP 981580.0011 ppm
• BromoformWater systems serving ZIP 981588.97e-6 µg/L
• PFAS (PFOA/PFOS)Water systems serving ZIP 981581.71e-5 mg/L
• Perfluorobutanoic Acid PFBAWater systems serving ZIP 981582.48e-7 ppm
• Strontium-90 Water systems serving ZIP 981586.36e-5 pCi/L
• Fluorine (as sodium fluoride)Water systems serving ZIP 981580.3125
• Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 981580.9921
• ManganeseWater systems serving ZIP 981580.0027 mg/L