Tap Water in Walnut Creek, California

Overall rating

High concern tap water rating

Water systems

• Water systems serving ZIP 94596

  Score 21 · 26 contaminants · 17 over guideline

• Haloacetic acids (HAA9)Water systems serving ZIP 945960.0362 mg/L
• Haloacetic acids (HAA5)Water systems serving ZIP 945960.0437 mg/L
• Total Trihalomethanes Water systems serving ZIP 945960.0547 mg/L
• Dibromoacetic acidWater systems serving ZIP 945960.0034 mg/L
• BromodichloromethaneWater systems serving ZIP 945960.005 mg/L
• DibromochloromethaneWater systems serving ZIP 945960.0052 mg/L
• Dichloroacetic acidWater systems serving ZIP 945960.0051 mg/L
• BromateWater systems serving ZIP 945960.0023 mg/L
• ChloroformWater systems serving ZIP 945960.0037 mg/L
• Trichloroacetic acidWater systems serving ZIP 945969.25e-4 mg/L
• BromoformWater systems serving ZIP 945960.0033 µg/L
• Chromium (hexavalent)Water systems serving ZIP 945965.68e-5 mg/L
• Propylene NitrateWater systems serving ZIP 945960.3903
• Propylene NitrateWater systems serving ZIP 945960.2718
• ChlorateWater systems serving ZIP 945960.1715 mg/L
• BromochloromethaneWater systems serving ZIP 945961.84e-5 mg/L
• Aluminum FluorideWater systems serving ZIP 9459610.5533
• Monobromoacetic acidWater systems serving ZIP 945964.18e-4 mg/L
• Monochloroacetic acidWater systems serving ZIP 945966.79e-4 ppm
• Perfluorobutanoic Acid PFBAWater systems serving ZIP 945964.90e-7 ppm
• Strontium-90 Water systems serving ZIP 945961.54e-4 pCi/L
• Aluminum FluorideWater systems serving ZIP 945960.6903
• Benzalkonium BromideWater systems serving ZIP 9459664
• Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 945962.4417
• Molybdenum (molybdenum (VI) citrate, molybdenum (VI) bisglycinate)Water systems serving ZIP 945961.1333
• ManganeseWater systems serving ZIP 945960.0167 mg/L