APES Water Unit

Which of the following is a non-point source of water pollution

• Effluent from a sewage treatment plant
• BP refiner in Indiana discharging ammonia in a river.
• Runoff of pesticides from regional farms into the Illinois River.
• Hot water discharges from a nuclear power plant.

Increased use of inorganic (lab-made) fertilizers on crops contributes to:

• Hypoxia in the Gulf of Mexico
• Increase in storm severity in southeastern U.S.
• Water shortages in California
• Saltwater intrusion on the East Coast.

Which of the following is a persistent inorganic pollutant that can impair neurological functioning?

• Lead 
• DDT
• PCB's
• Atrazine

What is it called when a persistent pollutant (like mercury or PCBs) builds up in the tissues of an organism as they continue to eat something that contains the pollutant

• Subsidence
• Biomagnification
• Tragedy of the commons
• Bioaccumulation

This law regulates the discharges of pollutants into all waters that have a significant connection with navigable waterways.  Also, must have a permit to dump these pollutants. Also, requires certain steps in sewage treatment. 

• Safe Drinking Water Act (SDWA)
• Clean Water Act (CWA)
• Oil Pollution Act
• National Environmental Policy Act (NEPA)

Which of the following is a known endocrine disruptor that is found in many of our waterways in the U.S.?

• Atrazine
• Mercury
• Nitrate
• BOD

Which pollutant or pollutants are most likely to create eutrophic areas?

• nitrates and phosphates
• heavy metals
• synthetic organic compounds
• pharmaceuticals

Select the correct order for the water treatment process.

• Sedimentation - Chlorination - Filtration

• Sedimentation - Filtration - Chlorination

• Filtration - Chlorination - Sedimentation

• Filtration - Sedimentation - Chlorination

What does chlorination do to the water?

• Removes microorganisms
• Cleans the water
• Makes the water taste nice
• Removes twigs and sediment

Which of the following are sources of groundwater pollution?  
I landfills
II saltwater intrusion
 III subsurface gasoline tanks

• I only
• I and III
• I, II and III
• II, and III