Plano
Collin County, Texas
49 Poor
Water Quality Score
49/100
Grade
D
Water Systems
1
Population
287,677
Key Contaminants
Perchlorate Violation
65.8015 / 56 μg/L
0 μg/L MCL: 56 μg/L
Mercury Violation
2.2334 / 2 μg/L
0 μg/L MCL: 2 μg/L
Nitrite
0.4646 / 1 mg/L
0 mg/L MCL: 1 mg/L
PFOA (Perfluorooctanoic Acid)
0.0016 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Chlorine
0.3558 / 4 mg/L
0 mg/L MCL: 4 mg/L
Radium-226
0.3627 / 5 pCi/L
0 pCi/L MCL: 5 pCi/L
PFOS (Perfluorooctane Sulfonate)
0.0002 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Water Systems Serving Plano (1)
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