11 2 water use and management
This presentation is the property of its rightful owner.
Sponsored Links
1 / 15

11-2 Water Use and Management PowerPoint PPT Presentation


  • 47 Views
  • Uploaded on
  • Presentation posted in: General

11-2 Water Use and Management. Page 276. A. Global Water Use. 1. There are three major uses for water: residential use, agricultural use, and industrial use. B. Residential Water Use. 1. There are major differences throughout the world. . B. Residential Water Use.

Download Presentation

11-2 Water Use and Management

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


11 2 water use and management

11-2 Water Use and Management

Page 276


A global water use

A. Global Water Use

  • 1. There are three major uses for water: residential use, agricultural use, and industrial use.


B residential water use

B. Residential Water Use

  • 1. There are major differences throughout the world.


B residential water use1

B. Residential Water Use

  • 2. The average person in the United States uses about 300 L of water a day. But in India, the average person uses only 41 L of water everyday.


C water treatment

C. Water Treatment

  • 1. Most water must first be made

  • potable (suitable for drinking).


C water treatment1

C. Water Treatment

  • 2. Removes elements such as mercury, arsenic, and lead, which are poisonous to humans even in low concentrations.


C water treatment2

C. Water Treatment

  • 3. A pathogen is a virus, microorganism, or other substance that causes disease.


C water treatment3

C. Water Treatment

  • 4. Pathogens are found in water contaminated by sewage or animal feces, but can be removed with water treatment.


D industrial water use

D. Industrial Water Use

  • 1. Industry accounts for 19 percent of water used in the world.


D industrial water use1

D. Industrial Water Use

  • 2. Water is used to manufacture goods, to dispose of wastes, and to generate power.

  • 3. Most of the water that is used in industry is used to cool power plants.


E agricultural water use

E. Agricultural Water Use

  • 1. Agriculture accounts for 67 percent of the water used in the world. Plants require a lot of water to grow, and as much as 80 percent of the water used in agriculture evaporates.


F dams and reservoirs

F. Dams and Reservoirs

  • 1. A damis a structure that is built across a river to control a river’s flow.


F dams and reservoirs1

F. Dams and Reservoirs

  • 2. A reservoiris an artificial body of water that usually forms behind a dam. Water from a reservoir can be used for flood control, drinking water, irrigation, recreation, and industry.


Water conservation

Water Conservation

  • 1. People can conserve water by changing a few everyday habits and by using only the water that they need. Water-saving technology, such as low-flow toilets, can also help reduce household water use.


  • Login