Pittsburgh

Allegheny County, Pennsylvania

77 Good

Water Quality Score

77/100

Grade

Water Systems

Population

302,971

Key Contaminants

Nitrite Violation

2.4722 / 1 mg/L

0 mg/L MCL: 1 mg/L

Radium-228 Violation

7.9291 / 5 pCi/L

0 pCi/L MCL: 5 pCi/L

Atrazine

2.8901 / 3 μg/L

0 μg/L MCL: 3 μg/L

PFOS (Perfluorooctane Sulfonate)

0.0027 / 0.004 μg/L

0 μg/L MCL: 0.004 μg/L

Copper

0.8606 / 1.3 mg/L

0 mg/L MCL: 1.3 mg/L

Gross Alpha Particle Activity

4.8069 / 15 pCi/L

0 pCi/L MCL: 15 pCi/L

Fluoride

0.7245 / 4 mg/L

0 mg/L MCL: 4 mg/L

Nitrate

1.5232 / 10 mg/L

0 mg/L MCL: 10 mg/L

Water quality can vary by neighborhood in Pittsburgh.