Exam 14: Water Pollution

Heavy metals remain suspended in the water column indefinitely.

Because they are of smaller scale, non-point source pollution sources are more easily regulated and controlled than are point sources.

________ pollution is a form of pollution typically associated with power plants and other industrial facilities.

If sediment is from natural sources, why is it considered a water pollutant?

The Cuyahoga River in Ohio has been degraded dramatically over the past 30 years.

Saltwater intrusion results from

Why did Congress require the Environmental Protection Agency to establish minimum drinking water standards?

Waterborne disease has been completely eliminated from the United States.

All coliform bacteria are harmless.

What is the principal cause of cultural eutrophication?

What measures have largely eliminated waterborne diseases in the United States?

What is the principal cause of septic system failure?

Which of the following would be considered a point source of pollution?

________ is the process of reinjecting wastewater into the ground for natural removal of contaminants.

Acid mine drainage is a problem because

The source of ________ bacteria is typically animal fecal waste.

Nutrients such as nitrogen and phosphorus are removed from municipal wastewater by secondary treatment.

After ________ treatment of wastewater, 95% of pollutants have been removed.

The main concern with organic chemicals in groundwater is their flammability.

________ sources of pollution are diffuse and intermittent.