Honolulu
Honolulu County, Hawaii
89 Good
Water Quality Score
89/100
Grade
B
Water Systems
1
Population
350,964
Key Contaminants
Tetrachloroethylene (PCE) Violation
9.6486 / 5 μg/L
0 μg/L MCL: 5 μg/L
Chloramine
3.6082 / 4 mg/L
0 mg/L MCL: 4 mg/L
Gross Alpha Particle Activity
8.4711 / 15 pCi/L
0 pCi/L MCL: 15 pCi/L
Arsenic
1.2522 / 10 μg/L
0 μg/L MCL: 10 μg/L
Mercury
0.1886 / 2 μg/L
0 μg/L MCL: 2 μg/L
Water Systems Serving Honolulu (1)
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Water quality can vary by neighborhood in Honolulu.