Water Pollution and Control

What are the main factors that determine water quality?

• All of these

• Physical

• Chemical

• Biological

What type of water pollution comes from a specific, identifiable source, such as factory discharge or sewage outflows?

• Non-point source pollution
• Thermal pollution
• Nutrient pollution
• Point source pollution

What term refers to wastewater or discharge flowing from industrial, commercial, or domestic sources into natural water bodies?

• runoff
• discharge
• sewage
• effluent

What Philippine law regulates water pollution and wastewater management to protect the country's water resources?

• Republic Act No. 9003 (Ecological Solid Waste Management Act)
• Republic Act No. 8749 (Philippine Clean Air Act)
• Republic Act No. 10121 (Disaster Risk Reduction and Management Act)

• Republic Act No. 9275 (Clean Water Act)

What is the first and most effective step in the Waste Management Hierarchy to reduce water pollution?

• Dispose

• Prevention

• Reuse

• Recover

Which of the following are prohibited acts? (Multiple correct answers)

• Refusal or failure to designate pollution control officers

• Directly using booster pumps in the distribution system

• Refusal to not submit reports on time whenever required by the Department

• Refusal to allow entry, inspection and monitoring by the Department

What process is used to remove contaminants from wastewater before it is released back into the environment?

• Wastewater treatment
• Water filtration
• Sedimentation process
• Chemical disinfection

Why is it important to treat wastewater before releasing it into natural water bodies?

• To allow more pollutants to enter natural water bodies.
• To prevent pollution, protect aquatic ecosystems, and ensure water safety for humans and wildlife

• To increase the amount of wastewater released into rivers.
• To reduce the cost of water treatment processes.