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48 readings
Tap water · ZIP 59620
Tap Water in Helena, Montana
ZIP 59620 · United States
Overall rating
17/100
High concern tap water rating
Utilities
1
Detected contaminants
48
Over health guideline
26
Water systems
Water systems serving ZIP 59620
Score 17 · 48 contaminants · 26 over guideline
Detected contaminants
Sorted by Oasis ingredient severity when available.
- ArsenicWater systems serving ZIP 596200.0215 mg/L
- ChlorateWater systems serving ZIP 596200.134 mg/L
- BariumWater systems serving ZIP 596200.38 mg/L
- CadmiumWater systems serving ZIP 596200.001 mg/L
- Chromium (hexavalent)Water systems serving ZIP 596200.002 mg/L
- Strontium-90 Water systems serving ZIP 596203.00e-4 pCi/L
- AntimonyWater systems serving ZIP 596200.0025 mg/L
- Chromium (hexavalent)Water systems serving ZIP 596204.13e-5 mg/L
- Di(2-ethylhexyl) phthalate (DEHP)Water systems serving ZIP 596200.0011 ppm
- ChloromethaneWater systems serving ZIP 596200.0067 mg/L
- BromomethaneWater systems serving ZIP 596207.66e-4 mg/L
- 1,2,3-TrichloropropaneWater systems serving ZIP 596207.35e-4 mg/L
- Monochloroacetic acidWater systems serving ZIP 596200.0024 ppm
- Dichloroacetic acidWater systems serving ZIP 596200.0121 mg/L
- Trichloroacetic acidWater systems serving ZIP 596200.0207 mg/L
- Monobromoacetic acidWater systems serving ZIP 596204.38e-5 mg/L
- Dibromoacetic acidWater systems serving ZIP 596208.50e-4 mg/L
- Bromochloroacetic acidWater systems serving ZIP 596200.0019 mg/L
- Haloacetic acids (HAA5)Water systems serving ZIP 596200.0332 mg/L
- ChloroformWater systems serving ZIP 596200.058 mg/L
- BromoformWater systems serving ZIP 596200.0027 µg/L
- BromodichloromethaneWater systems serving ZIP 596200.0058 mg/L
- DibromochloromethaneWater systems serving ZIP 596200.0016 mg/L
- Total Trihalomethanes Water systems serving ZIP 596200.0618 mg/L
- BromodichloromethaneWater systems serving ZIP 596201.46e-4 mg/L
- Carbon DisulfideWater systems serving ZIP 596200.0017 mg/L
- TrichloroethyleneWater systems serving ZIP 596201.95e-4 mg/L
- Tetrachloroethylene (perchloroethylene)Water systems serving ZIP 596201.02e-4 mg/L
- BenzeneWater systems serving ZIP 596203.6925 ppb
- 2,6-DinitrotolueneWater systems serving ZIP 596208.10e-4 mg/L
- Radium 226/228Water systems serving ZIP 596203.2 pCi/L
- Haloacetic acids (HAA9)Water systems serving ZIP 596200.0441 mg/L