Tap Water in Walnut Creek, California

Overall rating

High concern tap water rating

Water systems

• Water systems serving ZIP 94597

  Score 21 · 26 contaminants · 17 over guideline

• Haloacetic acids (HAA9)Water systems serving ZIP 945970.0362 mg/L
• Haloacetic acids (HAA5)Water systems serving ZIP 945970.0437 mg/L
• Total Trihalomethanes Water systems serving ZIP 945970.0547 mg/L
• Dibromoacetic acidWater systems serving ZIP 945970.0034 mg/L
• BromodichloromethaneWater systems serving ZIP 945970.005 mg/L
• DibromochloromethaneWater systems serving ZIP 945970.0052 mg/L
• Dichloroacetic acidWater systems serving ZIP 945970.0051 mg/L
• BromateWater systems serving ZIP 945970.0023 mg/L
• ChloroformWater systems serving ZIP 945970.0037 mg/L
• Trichloroacetic acidWater systems serving ZIP 945979.25e-4 mg/L
• BromoformWater systems serving ZIP 945970.0033 µg/L
• Chromium (hexavalent)Water systems serving ZIP 945975.68e-5 mg/L
• Propylene NitrateWater systems serving ZIP 945970.3903
• Propylene NitrateWater systems serving ZIP 945970.2718
• ChlorateWater systems serving ZIP 945970.1715 mg/L
• BromochloromethaneWater systems serving ZIP 945971.84e-5 mg/L
• Sodium AluminumWater systems serving ZIP 9459710.5533
• Monobromoacetic acidWater systems serving ZIP 945974.18e-4 mg/L
• Monochloroacetic acidWater systems serving ZIP 945976.79e-4 ppm
• Perfluorobutanoic Acid PFBAWater systems serving ZIP 945974.90e-7 ppm
• Strontium-90 Water systems serving ZIP 945971.54e-4 pCi/L
• Fluorine (as sodium fluoride)Water systems serving ZIP 945970.6903
• Benzalkonium BromideWater systems serving ZIP 9459764
• Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 945972.4417
• Molybdenum (molybdenum (VI) citrate, molybdenum (VI) bisglycinate)Water systems serving ZIP 945971.1333
• ManganeseWater systems serving ZIP 945970.0167 mg/L