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44 readings
Tap water · ZIP 59602
Tap Water in Helena, Montana
ZIP 59602 · United States
Overall rating
17/100
High concern tap water rating
Utilities
1
Detected contaminants
44
Over health guideline
25
Water systems
Water systems serving ZIP 59602
Score 17 · 44 contaminants · 25 over guideline
Detected contaminants
Sorted by Oasis ingredient severity when available.
- ArsenicWater systems serving ZIP 596020.0124 mg/L
- 1,2,3-TrichloropropaneWater systems serving ZIP 596027.35e-4 mg/L
- Haloacetic acids (HAA9)Water systems serving ZIP 596020.0441 mg/L
- Haloacetic acids (HAA5)Water systems serving ZIP 596020.0318 mg/L
- Total Trihalomethanes Water systems serving ZIP 596020.0377 mg/L
- Trichloroacetic acidWater systems serving ZIP 596020.0169 mg/L
- BromodichloromethaneWater systems serving ZIP 596020.0058 mg/L
- Bromochloroacetic acidWater systems serving ZIP 596020.0019 mg/L
- ChloroformWater systems serving ZIP 596020.0302 mg/L
- Dichloroacetic acidWater systems serving ZIP 596020.0121 mg/L
- Propylene NitrateWater systems serving ZIP 596027.2742
- Radium 226/228Water systems serving ZIP 596021.8 pCi/L
- Dibromoacetic acidWater systems serving ZIP 596028.50e-4 mg/L
- CadmiumWater systems serving ZIP 596020.001 mg/L
- Carbon DisulfideWater systems serving ZIP 596020.0017 mg/L
- DibromochloromethaneWater systems serving ZIP 596020.0016 mg/L
- BenzeneWater systems serving ZIP 596022.2 ppb
- UraniumWater systems serving ZIP 596026.03 pCi/L
- BromoformWater systems serving ZIP 596020.0027 µg/L
- ChloromethaneWater systems serving ZIP 596020.0067 mg/L
- Chromium (hexavalent)Water systems serving ZIP 596024.13e-5 mg/L
- Tetrachloroethylene (perchloroethylene)Water systems serving ZIP 596021.02e-4 mg/L
- ChlorateWater systems serving ZIP 596020.134 mg/L
- TrichloroethyleneWater systems serving ZIP 596021.95e-4 mg/L
- Di(2-ethylhexyl) phthalate (DEHP)Water systems serving ZIP 596020.0011 ppm
- BariumWater systems serving ZIP 596020.0933 mg/L
- Selenium (as selenium dioxide from ferment media)Water systems serving ZIP 596022
- Monochloroacetic acidWater systems serving ZIP 596020.0024 ppm
- BromodichloromethaneWater systems serving ZIP 596021.46e-4 mg/L
- Monobromoacetic acidWater systems serving ZIP 596024.38e-5 mg/L
- BromomethaneWater systems serving ZIP 596027.66e-4 mg/L
- Strontium-90 Water systems serving ZIP 596023.00e-4 pCi/L