Direct evidence that nicotine in runoff can be removed by bioretention cells

Key Points

• Bioretention cells effectively remove nicotine from runoff, showing a significant improvement in water quality.
• The study highlights a 75% reduction in nicotine levels following treatment in bioretention cells.
• Observational analysis revealed high removal efficiency of runoff contaminants including nicotine using bioretention systems.
• These findings suggest bioretention cells may offer a sustainable solution for improving urban runoff quality.