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5 readings
Tap water · ZIP 20620
Tap Water in Callaway, Maryland
ZIP 20620 · United States
Overall rating
34/100
Poor tap water rating
Utilities
1
Detected contaminants
5
Over health guideline
4
Water systems
Water systems serving ZIP 20620
Score 34 · 5 contaminants · 4 over guideline
Detected contaminants
Sorted by Oasis ingredient severity when available.
- ArsenicWater systems serving ZIP 206200.0033 mg/L
- Total Trihalomethanes Water systems serving ZIP 206200.0046 mg/L
- Haloacetic acids (HAA5)Water systems serving ZIP 206200.0025 mg/L
- Radium 226/228Water systems serving ZIP 206200.55 pCi/L
- Fluoride-coated dental flossWater systems serving ZIP 206200.455