Columbus
Franklin County, Ohio
89 Good
Water Quality Score
89/100
Grade
B
Water Systems
2
Population
905,748
Key Contaminants
Gross Alpha Particle Activity Violation
37.0691 / 15 pCi/L
0 pCi/L MCL: 15 pCi/L
Tetrachloroethylene (PCE) Violation
10.9689 / 5 μg/L
0 μg/L MCL: 5 μg/L
Nitrate
9.8734 / 10 mg/L
0 mg/L MCL: 10 mg/L
Turbidity
0.6965 / 1 NTU
0 NTU MCL: 1 NTU
Nitrite
0.6652 / 1 mg/L
0 mg/L MCL: 1 mg/L
Selenium
29.9265 / 50 μg/L
0 μg/L MCL: 50 μg/L
Chromium (Total)
52.592 / 100 μg/L
0 μg/L MCL: 100 μg/L
Trichloroethylene (TCE)
2.3109 / 5 μg/L
0 μg/L MCL: 5 μg/L
Water Systems Serving Columbus (2)
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