Tap Water in Castro Valley, California

Overall rating

High concern tap water rating

Water systems

• Water systems serving ZIP 94546

  Score 20 · 28 contaminants · 17 over guideline

• Haloacetic acids (HAA9)Water systems serving ZIP 945460.0362 mg/L
• Haloacetic acids (HAA5)Water systems serving ZIP 945460.0437 mg/L
• Total Trihalomethanes Water systems serving ZIP 945460.0547 mg/L
• Trichloroacetic acidWater systems serving ZIP 945460.0123 mg/L
• ChloroformWater systems serving ZIP 945460.0386 mg/L
• Dichloroacetic acidWater systems serving ZIP 945460.0177 mg/L
• BromodichloromethaneWater systems serving ZIP 945460.0016 mg/L
• Propylene NitrateWater systems serving ZIP 945463.2805
• Propylene NitrateWater systems serving ZIP 945462.9462
• ArsenicWater systems serving ZIP 945467.88e-5 mg/L
• BromateWater systems serving ZIP 945460.0017 mg/L
• DibromochloromethaneWater systems serving ZIP 945467.91e-4 mg/L
• Chromium (hexavalent)Water systems serving ZIP 945465.09e-5 mg/L
• Dibromoacetic acidWater systems serving ZIP 945467.09e-5 mg/L
• ChlorateWater systems serving ZIP 945460.1715 mg/L
• UraniumWater systems serving ZIP 945460.2063 pCi/L
• PerchlorateWater systems serving ZIP 945463.32e-4 ppm
• Aluminum FluorideWater systems serving ZIP 9454610.5533
• Monochloroacetic acidWater systems serving ZIP 945461.66e-4 ppm
• BariumWater systems serving ZIP 945460.0023 mg/L
• Perfluorobutanoic Acid PFBAWater systems serving ZIP 945464.90e-7 ppm
• Strontium-90 Water systems serving ZIP 945469.48e-5 pCi/L
• Aluminum FluorideWater systems serving ZIP 945460.6903
• Chromium (hexavalent)Water systems serving ZIP 945460.003 mg/L
• Benzalkonium BromideWater systems serving ZIP 945469.275
• Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 945460.6692
• Molybdenum (molybdenum (VI) citrate, molybdenum (VI) bisglycinate)Water systems serving ZIP 945460.15
• ManganeseWater systems serving ZIP 945460.0021 mg/L