freshwater resources chapter 4, lesson 3. where do we get our water from? running water standing...
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Freshwater ResourcesFreshwater Resources
Chapter 4, Lesson 3Chapter 4, Lesson 3
Where do we get our water from?
Where do we get our water from?
Running waterStanding water
Reservoirs: man-made lakes used to store water. made by dams.
Groundwater
Running waterStanding water
Reservoirs: man-made lakes used to store water. made by dams.
Groundwater
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AquiferAquifer
WatershedWatershed
Area of land that drains into a specific river
California has 10 major watersheds
Flooding can damage a watershed
Area of land that drains into a specific river
California has 10 major watersheds
Flooding can damage a watershed
WatershedsWatersheds
It is important to NOT disturb watersheds BECAUSE: Supplies groundwater Replaces water Refill sources of water
It is important to NOT disturb watersheds BECAUSE: Supplies groundwater Replaces water Refill sources of water
What Causes Polluted Water?
What Causes Polluted Water?
Contaminated water
Water can get contaminated by rain and land
Contaminated water
Water can get contaminated by rain and land
Laws That Protect Freshwater Resources
Laws That Protect Freshwater Resources
2 Laws:
1.1974 Safe Drinking Water Act
2.1977 Clean Water Act
2 Laws:
1.1974 Safe Drinking Water Act
2.1977 Clean Water Act
How are Fresh Water Resources Cleaned?
How are Fresh Water Resources Cleaned?
The water that flows to houses and businesses is treated in a water treatment plant.
The water that flows to houses and businesses is treated in a water treatment plant.
Steps of Freshwater Treatment
Steps of Freshwater Treatment
Coagulation Sedimentation Filtration
Disinfection Storage