Human Impact on Water Resources

What is one way to minimize pollution from sewage treatment?

• Treat and monitor human waste before discharging it into rivers and streams

• Reduce pesticide usage

• Monitor and prosecute offenders

• Properly dispose of household hazardous waste

Which human activity is NOT mentioned as affecting groundwater quality?

• Industrial pollution

• Agriculture

• Landfills

• Underground storage tanks

What percentage of Earth's water is usable by humans?

• 3 percent

• 10 percent

• 25 percent

• 50 percent

What is a major consequence of human overpopulation on water resources?

• It stresses the water supply

• It increases the percentage of usable water

• It reduces the need for water monitoring

• It eliminates the need for sewage treatment

Which of the following is a suggested solution for agricultural runoff?

• Reduce pesticide usage

• Monitor and treat waste

• Properly maintain and repair tanks

• Remove damaged and unused tanks

Human activities cause substantial pollution of surface water and _________, thereby reducing the quality

and availability of clean water.