Water pollution

Source of pollution that can be traced to back to a single source.

• runoff

• sediment

• point source pollution

• nonpoint source pollution

Pollution source that cannot be traced to a single point because comes from many sources

• thermal

• toxic

• nonpoint source pollution

• point source pollution

Farmers increase their use of pesticides and herbicides. What type of pollution would this cause?

• Sediment

• Nutrient

• Toxic

• Bacterial

• Thermal

Someone drains used car oil and anti-freeze onto the ground. What type of pollution would this cause?

• Toxic

• Bacterial

• Thermal

• Nutrient

• Sediment

Untreated sewage is released into the environment. What type of pollution would this cause?

• Nutrient

• Bacterial

• Toxic

• Thermal

• Sediment

A parking lot is build near a stream. Cars in the parking sometimes leak oil and anti-freeze onto the parking lot. What source of pollution is this?

• Point source

• Nonpoint source

In order to grow a nice, green lawn, Kahkwa uses a lot of fertilizers. What type of pollution would this cause?

• Toxic

• Nutrient

• Bacterial

• Thermal

• Sediment

What is Dissolved Oxygen?

• The amount of oxygen in the water.

• The clearness or cloudiness of the water.

• The amount of heat in the water.

• The acidity of the water.

True or False- High levels of dissolved oxygen indicate or show a healthy water supply.

• True

• False

Which of the following is the best example of a source of Point Source Pollution?

• Pet owners leaving waste on the ground.

• Runoff from farms that brings animal waste into a stream.

• Home owners washing cars near a storm drain.

• A fabric company that pours extra dye into a nearby stream