6. Water pollution and waste treatment

What this is made of

• 6(a). What water pollution means
• 6(b). Common sources of water pollution, and their effects
• 6(c). Primary treatment, secondary treatment and BOD
• 6(d). Draw the principles of complete waste treatment

Where this step comes from

1. Soil and Water Conservation Merit Badge Requirements (Merit Badge Hub, last modified 2025-09-19), Requirement 6