Tap Water in Walnut Creek, California

Overall rating

High concern tap water rating

Water systems

• Water systems serving ZIP 94598

  Score 21 · 26 contaminants · 17 over guideline

• Haloacetic acids (HAA9)Water systems serving ZIP 945980.0362 mg/L
• Haloacetic acids (HAA5)Water systems serving ZIP 945980.0437 mg/L
• Total Trihalomethanes Water systems serving ZIP 945980.0547 mg/L
• Dibromoacetic acidWater systems serving ZIP 945980.0034 mg/L
• BromodichloromethaneWater systems serving ZIP 945980.005 mg/L
• DibromochloromethaneWater systems serving ZIP 945980.0052 mg/L
• Dichloroacetic acidWater systems serving ZIP 945980.0051 mg/L
• BromateWater systems serving ZIP 945980.0023 mg/L
• ChloroformWater systems serving ZIP 945980.0037 mg/L
• Trichloroacetic acidWater systems serving ZIP 945989.25e-4 mg/L
• BromoformWater systems serving ZIP 945980.0033 µg/L
• Chromium (hexavalent)Water systems serving ZIP 945985.68e-5 mg/L
• Propylene NitrateWater systems serving ZIP 945980.3903
• Propylene NitrateWater systems serving ZIP 945980.2718
• ChlorateWater systems serving ZIP 945980.1715 mg/L
• BromochloromethaneWater systems serving ZIP 945981.84e-5 mg/L
• Sodium AluminumWater systems serving ZIP 9459810.5533
• Monobromoacetic acidWater systems serving ZIP 945984.18e-4 mg/L
• Monochloroacetic acidWater systems serving ZIP 945986.79e-4 ppm
• Perfluorobutanoic Acid PFBAWater systems serving ZIP 945984.90e-7 ppm
• Strontium-90 Water systems serving ZIP 945981.54e-4 pCi/L
• Fluorine (as sodium fluoride)Water systems serving ZIP 945980.6903
• Benzalkonium BromideWater systems serving ZIP 9459864
• Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 945982.4417
• Molybdenum (molybdenum (VI) citrate, molybdenum (VI) bisglycinate)Water systems serving ZIP 945981.1333
• ManganeseWater systems serving ZIP 945980.0167 mg/L