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35 readings
Tap water · ZIP 94028
Tap Water in Portola Valley, California
ZIP 94028 · United States
Overall rating
20/100
High concern tap water rating
Utilities
1
Detected contaminants
36
Over health guideline
20
Water systems
Water systems serving ZIP 94028
Score 18 · 36 contaminants · 20 over guideline
Detected contaminants
Sorted by Oasis ingredient severity when available.
- Perfluorohexane sulfonate PFHXSWater systems serving ZIP 940281.55e-6 ppm
- Haloacetic acids (HAA9)Water systems serving ZIP 940280.0321 mg/L
- Haloacetic acids (HAA5)Water systems serving ZIP 940280.0362 mg/L
- Total Trihalomethanes Water systems serving ZIP 940280.0472 mg/L
- BromodichloromethaneWater systems serving ZIP 940280.0127 mg/L
- DibromochloromethaneWater systems serving ZIP 940280.017 mg/L
- Trichloroacetic acidWater systems serving ZIP 940280.0146 mg/L
- Dibromoacetic acidWater systems serving ZIP 940280.0041 mg/L
- ChloroformWater systems serving ZIP 940280.0434 mg/L
- Dichloroacetic acidWater systems serving ZIP 940280.018 mg/L
- BromoformWater systems serving ZIP 940280.0089 µg/L
- BromateWater systems serving ZIP 940280.0017 mg/L
- Perfluorooctanoic acid PFOAWater systems serving ZIP 940281.38e-6 ppm
- Chromium (hexavalent)Water systems serving ZIP 940282.28e-4 mg/L
- Perfluorooctane sulfonate PFOSWater systems serving ZIP 940281.67e-6 ppm
- ChlorateWater systems serving ZIP 940280.1321 mg/L
- UraniumWater systems serving ZIP 940280.0929 pCi/L
- N-NitrosodimethylamineWater systems serving ZIP 940284.70e-8 ppm
- Monobromoacetic acidWater systems serving ZIP 940283.49e-4 mg/L
- Monochloroacetic acidWater systems serving ZIP 940282.88e-4 ppm
- Perfluoropentanoic Acid PFPeAWater systems serving ZIP 940281.54e-6 ppm
- Perfluoroheptanoic acid (PFHpA)Water systems serving ZIP 940280.198 ppt
- Perfluorobutanoic Acid PFBAWater systems serving ZIP 940283.33e-7 ppm
- Perfluorobutane sulfonate PFBSWater systems serving ZIP 940281.43e-7 ppm
- Strontium-90 Water systems serving ZIP 940281.22e-4 pCi/L
- 1,4-DioxaneWater systems serving ZIP 940282.38e-5 mg/L
- Perfluorohexanoic Acid PFHxAWater systems serving ZIP 940281.26e-6 ppm
- Nitrate (as NO₃⁻)Water systems serving ZIP 940280.5002 mg/L
- Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 940280.6511
- 3,7-Dichloro-8-quinolinecarboxylic acid / QuincloracWater systems serving ZIP 940281.30e-5 mg/L
- Domiphen BromideWater systems serving ZIP 9402872.2746
- Manganese Chelate of Amino Acid HydrateWater systems serving ZIP 94028217.9075