Aurora
Arapahoe County, Colorado
30 Poor
Water Quality Score
30/100
Grade
D
Water Systems
1
Population
386,261
Key Contaminants
Gross Alpha Particle Activity Violation
16.8629 / 15 pCi/L
0 pCi/L MCL: 15 pCi/L
PFAS (Per- and Polyfluoroalkyl Substances)
0.0039 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Turbidity
0.9336 / 1 NTU
0 NTU MCL: 1 NTU
Mercury
1.3252 / 2 μg/L
0 μg/L MCL: 2 μg/L
Selenium
27.4095 / 50 μg/L
0 μg/L MCL: 50 μg/L
Chromium (Total)
50.2881 / 100 μg/L
0 μg/L MCL: 100 μg/L
Uranium
12.0928 / 30 μg/L
0 μg/L MCL: 30 μg/L
Chlorine
1.4394 / 4 mg/L
0 mg/L MCL: 4 mg/L
Water Systems Serving Aurora (1)
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Water quality can vary by neighborhood in Aurora.