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Water. My choices & our water supply. What Are The Connections Between My Choices And Our Water Supply?. Source: istockphoto.com. What Percentage of the Earth’s Surface Is Covered by Water?. - PowerPoint PPT PresentationTRANSCRIPT
Water
My choices & our water supply
What Are The Connections Between My Choices And Our Water Supply?
Source: istockphoto.com
Source: (beach) pinker.wjh.harvard.edu (earth) starryskies.com (sailboat) svquietly.com
What Percentage of the Earth’s Surface Is Covered by
Water?
Land29%
Water
71%
Source: (water) nhptv.org (land) randonneurs.bc.ca
Water On Earth’s Surface
I ce
Fresh Water
Salt Water
Source: (ice) aad.gov.au (lake) students.washington.edu (ocean) nessus.gunslingers.org
2%
97%
1%
All Water Is Not The Same
Source: (faucet) winnipeg.ca (girl) ecn.edu.purdue (ocean) swwater.co.uk
Where Does Our Water Come From?
Surface?/ Ground?
Ground?
Surface?
Source: science.oregonstate.edu
Surfacewater collects. . .
Groundwater
Is treated at a treatment plant...
Is treated at a treatment plant...
Before making its way to your homes and school!
Wastewater is treated and released into Puget Sound.
Wastewater is treated and released into Puget Sound.
Source: dnr.metrokc.gov
Keeping Our Water Clean
Source: (car) mass.gov(cleaners)
washingtonpost.com(storm drain) epa.gov
The Water Game (1)
The Water Game (2)
The Water Game (3)
Event
A water park was built in
your community. A water park was built in your community
Event
The Water Game (4)
The Water Game (5)
The Water Game (6)
Emergency Water Supply Form
How Do We Use Water?
Clothes Washer 23%
Faucet/Other16%
Shower/Bath 20%
Toilet 30%
Leaks 11%
Source: Saving Water Partnership Seattle And Participating Area Water Utilities (toilet) plasticpipe.com (shower) istockphoto.com (washer) ebmud.com (leak) dbinman.com
Typical Household Water Use
My favorite toilets…
Source: (toilet sink) cleantechblog.com
(dual flush) portlandonline.com
Global Household Water Use Per Person
Australia 247 gallons/ day
USA 157 gallons/ day
Germany 48 gallons/ day
India 28 gallons/ day
China 19 gallons/ day
Sub-Saharan Africa
12 gallons/ day
Researchers estimate that humans need a minimum of 13 gallons of water per day to sustain life.
Source: waterfootprint.org unesco.org
Global Water Use by Sector
0
200
400
600
800
1000
1200
1400
1600
1800
Gal
lon
s p
er P
erso
n p
er D
ay
USA Germany China South Africa
Agricultural
Industrial
Domestic
0
200
400
600
800
1000
1200
1400
1600
1800
Gal
lon
s p
er P
erso
n p
er D
ay
USA Germany China South Africa
Agricultural
Industrial
Domestic
Source: waterfootprint.org
Shower Math
Homework p.6
Homework p.7
Be ready for the next time we meet!
Thanks!
Tonight’s Homework:The Blue Pages
Cedar River Watershed