Exploring Sources of Water Pollution

What are the two main categories of pollutant sources?

• Point Sources and Nonpoint Sources

• Airborne and Waterborne

• Chemical and Biological

• Natural and Artificial

Which of the following is an example of a point-source discharge?

• Runoff from agricultural fields

• Erosion from a construction site

• Wastewater treatment plant discharge

• Rainwater flowing into a river

What was the primary water quality problem in the United States before the Clean Water Act of 1972?

• Nonpoint-source pollution

• Air pollution

• Point-source pollution

• Soil contamination

What did the Clean Water Act of 1972 aim to control?

• Industrial emissions

• Nonpoint-source pollution

• Levels of discharge from point sources

• Airborne pollutants

What is a characteristic of nonpoint-source discharges?

• They come from a fixed pipe

• They are easy to regulate

• They are primarily industrial

• They involve overland flow of water

Why are regulations for nonpoint-source pollution difficult to implement?

• They require advanced technology

• They are next to impossible to enforce on a case-by-case basis

• They are too expensive

• They are not supported by legislation

Tags

NGSS.HS-ETS1-3

What is the final frontier for water quality control according to the video?

• Reducing air pollution

• Controlling nonpoint-source discharges

• Improving wastewater treatment plants

• Eliminating industrial waste