Tap Water in Seattle, Washington

Overall rating

High concern tap water rating

Water systems

• Water systems serving ZIP 98148

  Score 19 · 28 contaminants · 19 over guideline

• Perfluorohexane sulfonate PFHXSWater systems serving ZIP 981481.51e-6 ppm
• Haloacetic acids (HAA9)Water systems serving ZIP 981480.0314 mg/L
• Perfluorononanoic acid PFNAWater systems serving ZIP 981483.13e-6 ppm
• Haloacetic acids (HAA5)Water systems serving ZIP 981480.0281 mg/L
• Total Trihalomethanes Water systems serving ZIP 981480.0367 mg/L
• Trichloroacetic acidWater systems serving ZIP 981480.0162 mg/L
• ChloroformWater systems serving ZIP 981480.0347 mg/L
• PFOS & PFOAWater systems serving ZIP 981487.13 ppt
• Dichloroacetic acidWater systems serving ZIP 981480.0128 mg/L
• BromodichloromethaneWater systems serving ZIP 981480.0032 mg/L
• Bromochloroacetic acidWater systems serving ZIP 981489.28e-4 mg/L
• Radium 226/228Water systems serving ZIP 981480.71 pCi/L
• DibromochloromethaneWater systems serving ZIP 981480.0011 mg/L
• Chromium (hexavalent)Water systems serving ZIP 981481.54e-4 mg/L
• Perfluorooctanoic acid PFOAWater systems serving ZIP 981485.14e-7 ppm
• Perfluorooctane sulfonate PFOSWater systems serving ZIP 981481.27e-6 ppm
• BromateWater systems serving ZIP 981483.52e-4 mg/L
• Dibromoacetic acidWater systems serving ZIP 981482.35e-5 mg/L
• Propylene NitrateWater systems serving ZIP 981480.062
• ChlorateWater systems serving ZIP 981480.0398 mg/L
• Monochloroacetic acidWater systems serving ZIP 981480.0011 ppm
• BromoformWater systems serving ZIP 981488.97e-6 µg/L
• PFAS (PFOA/PFOS)Water systems serving ZIP 981481.71e-5 mg/L
• Perfluorobutanoic Acid PFBAWater systems serving ZIP 981482.48e-7 ppm
• Strontium-90 Water systems serving ZIP 981486.36e-5 pCi/L
• Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 981480.9921
• Manganese Chelate of Amino Acid HydrateWater systems serving ZIP 981482.7
• Fluoride-coated dental flossWater systems serving ZIP 981480.3125