ES - #4 - WATER POLUTION - CHAPTER 11

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What are the two types of sources of pollution?

1. Point-source pollution 2. Nonpoint-source pollution

Point-source is direct or indirect pollution?

Direct

The most common point-source pollutants are sediments, nutrients, and sewage.

False

True or false: a wastewater treatment plant that cannot handle all the incoming wastewater and discharges raw sewage into a local stream or river is a nonpoint-source pollution.

False

Nonpoint-source is direct or indirect pollution?

Indirect

96% of polluted bodies of water in the U.S. were contaminated by point-source pollution or nonpoint-source pollution.

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: a restaurant's drainage pipe emptying into a river.

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: chemicals added to road surfaces (salt & other de-icing agents).

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: feces and agricultural chemicals from livestock feedlots.

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: litter in a storm drain.

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: oil and gasoline from personal watercraft.

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: parking lot runoff.

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: pesticides from lawns, golf course, and farmland.

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: precipitation containing air pollutants.

Nonpoint-source pollution

Many sources of pollution?

Nonpoint-source pollution

Pollution that comes from many different sources and is difficult to identify.

Nonpoint-source pollution

Pollution that is difficult to identify is point-source or nonpoint-source pollution?

Nonpoint-source pollution

Label the following as point-source or nonpoint source pollution: a factory.

Point-source pollution

Label the following as point-source or nonpoint source pollution: leaking oil tanker.

Point-source pollution

Label the following as point-source or nonpoint source pollution: leaking storage lagoons for polluted waste.

Point-source pollution

Label the following as point-source or nonpoint source pollution: polluted water from abandoned and active mines.

Point-source pollution

Label the following as point-source or nonpoint source pollution: unlined landfills.

Point-source pollution

Label the following as point-source or nonpoint source pollution: untreated sewage

Point-source pollution

Pollution identified and traced from a single known source is ______________________________.

Point-source pollution

Single-source pollution?

Point-source pollution

Define point-source pollution.

Pollution identified and traced from a single known source.

Define nonpoint-source pollution.

Pollution that comes from many sources and is difficult to identify.

What is water pollution?

The introduction of chemical, physical, or biological agents, into water that degrade water quality and adversely affect the organisms that depend on the water.

What does water pollution affect?

The organisms that depend on water

True of false: Point-source pollution comes from a specific place that can be pinpointed as the source of the pollution contaminating a water body.

True

True or False: Runoff is generally associated with nonpoint-source pollution.

True

True or false: Nonpoint-source pollution is a combination of pollutants from a large area rather than from specific identifiable sources.

True

What are the three things introduced into water that degrade the water quality?

chemical, physical, or biological agents

List several examples of nonpoint-source pollution.

● Precipitation containing air pollutants ● Pollutants in rivers from water runoff from any watershed lands ● Chemicals added to road surfaces ● Water runoff from streets containing gasoline, animal feces, and litter ● Pesticides, herbicides, and fertilizers from lawns, golf courses, farmland ● Feces and agricultural chemicals from livestock feedlots ● Soil runoff from farms and construction site ● Gasoline and oil from personal watercraft (motorized boats, jet skis, etc.)

List several examples of point-source pollution.

● Wastewater treatment plant ● Leaking oil tanker ● Unlined landfills ● Water discharged from industries ● Leaking septic-tank systems ● Polluted water from abandoned & active mines ● Leading underground storage tanks containing gasoline or chemicals ● Leaking storage lagoons for polluted waste


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