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Terms and Definitions
More Terms and Definitions
Where does Water Pollution Come From?
Kinds of Pollutants
Indoor & Outdoor Water Use
100
Water that seeps down through the soil and is stored underground.
What is groundwater?
100

The entire area of land that is draind by a river

what is a watershed

100

Nonpoint pollution. List two substances that can be included in storm-water runoff.

What are oil/gasoline/dog feces/litter?

100
Chemicals that are poisonious to living things.
What is toxic chemicals?
100

Uses 47% of our total freshwater usage

agriculture

200
Process that increases the amount of nurturients, especially nitrogen and phosphorus, in a marine or aquatic ecosystem.
What is eutrophication?
200

The freshwater that is above the ground

surface water

200
Nonpoint pollution. Used on your driveway in the winter.
What is dry salt?
200
Pesticides, fertilizers, plastics, detergents, gasoline and oil, and other materials made from fossil fuels such as petroleum.
What is organic chemicals?
200

Uses 44% of our overall freshwater usage

industry

300
Excessive amount of heat us added to a body of water.
What is thermal pollution?
300

What is desalination?

A process where salt is removed from saltwater.

300

Point pollution. Disposes of human waste.

What are septic-tank systems?

300
From power plants or nuclear processing and defense facilities (Peter Parker was affected by this).
What is radioactive waste?
300

Uses 9% of our overall frewater usage

residential

400
An underground rock formation that contains water.
What is aquifer?
400

This is the process by which chemicals build up in an organism over time 

bioaccumulation

400
Point pollution. Stores gasoline.
What are underground storage tanks?
400
Disease-causing organisms such as bacteria. Pollution occurs when human sewages is untreated or enters water through storm sewers, and when animal feces wash off the land into water.
What are pathogens?
400

On Earth 97% of our water is

ocean water (salt water) not usable

500
Area of land on the earth's surface which groundwater originates.
What is recharge zone?
500

These were the first two Acts {Legislation} passsed by the US government in 1972, one to protect freshwater and one to protect marine (saltwater) water. What were they called?

1972 Clean Water Act (freshwater)

1972 Marine Protection, Research, & Sanctuaries Act 

500
Two substances used in crops and lawns.
What are pesticides and fertilizers?
500
Heat and suspened solids, such as soils.
What are physical agents?
500

The total amount of freshwater on Earth is 3%, How much of that 3% is usable for us and all other life dependent of freshwater?

1%