Water Pollution

1. source pollution is when the pollution comes from only ONE point
2. occur when there is too much phosphorus and nitrogen in the water. Algae is a common example.
4. consists of liquid substances that flows from one place to another
7. is another word for wastewater.
8. ___________ is water used by a community might also be referred to as sewage.
14. broken down and used as food by microorganisms like bacteria.
15. things like phosphorus and nitrogen which help plants grow but are not helpful when found in large amounts in water
16. can be dumped into rivers, lakes, and streams and can include organic and inorganic pollution.
18. bacterias, viruses, and protozoa that can cause anyone who swims in water to become sick.

1. water __________ is water that has been contaminated.
3. ___________ is found in lakes and rivers.
5. are usually from industrial wastes that can poison aquatic life.
6. waters are places like lakes and rivers that take water runoff from different sources.
9. comes from many different sources which are highly traveled open spaced with little vegetation.
10. source pollution is when it is difficult to find out exactly where the pollution originates.
11. occurs from places that can leak chemicals and acids into water. Landfills and gas stations are common examples
12. are combined overflows that consist of storm water and untreated waste water.
13. is a place that plays a part in point source pollution. Usually consists of greases, oils, metals, and chemicals.
17. tiny particles that are floating in the water. These can be things like plastics, bottles, that can decrease the depth of water.