Water Pollution Crossword

3. Valdez Name of the ship which crashed and spilled oil in Alaska is __.
5. Poisonous mercury compound is known as __.
6. Contaminates water through the lining of pipes.
10. Standard established by EPA for safe drinking water also known as __.
11. Quick change in temperature of the water, potentially killing organisms in it.
13. Oxygen demand which varies among certain temperatures is called __.
15. Seep into groundwater naturally and also hold a high amount of Nitrogen and phosphorous.
16. __ occurs when an excess of elements enters a water stream.
18. Bacteria derived from animal fecal matter.
19. Human made and allows for waste to be dumped in.
21. Passed by legislation aiding in helping with cleaning water for recreation and marine populations.
22. Solid waste material from water is called __.
23. Found in high concentrations of tertiary consumers in aquatic ecosystems.

1. Pollution from one distinct location
2. Zone lacking stable amounts of BOD leading to the death of organisms in them.
4. Contaminate soil where military rockets may be manufactured.
7. Acid accumulation on Earth as a result of rain or snow.
8. Specific form of coliform found in untreated wastewater.
9. Where the waste is collected in a septic system.
12. Water produced by humans and livestock is __.
14. Main element in fertilizers.
15. Compound is derived from plastic and is also used for insulation.
17. Occurs naturally in the Earth and leeches into groundwater.
20. One would use this sewage system if they lived in a rural area.