What are common causes of taste and odor in finished water and typical mitigation strategies?

• A. Nitrate contamination; mitigation: flush and filtration.
• B. Algal blooms producing geosmin/2-MIB; mitigation: source water protection, activated carbon, decarbonization, and advanced treatment adjustments.
• C. Chlorine residual too low; mitigation: add more chlorine.
• D. Sedimentation alone will fix taste and odor.

Answer: (B)