Ch 14 Water Pollution

2. Legislation that protects drinking water
3. Toxic compound that is produced by the burning of coal (Planet)
8. Largest oil tanker spill
10. A group of microorganisms in the human intestines that can serve as an indicator species for potentially harmful microorganisms associated with contamination by sewage.
12. Nonchemical water pollution that occurs when human activities cause a substantial change in the temperature of water.
13. largest source of oil in the ocean
14. An illness-causing bacterium, virus, or parasite
15. The amount of oxygen a quantity of water demands
16. A dramatic change in water temperature that can kill organisms.
20. legislation that protects surface waters
21. Metal that can come from pipes
23. A distinct location from which pollution is directly produced.
24. Human-made ponds lined with rubber built to handle large quantities of manure produced by livestock.
25. The contamination of streams, rivers, lakes, oceans, or groundwater with substances produced through human activities

1. A species that indicates whether or not disease-causing pathogens are likely to be present.
4. the second process in a sewage treatment plant
5. an area of water with very low oxygen concentration
6. if people are connected to a city sewer system, they probably have this to treat their wastewater
7. A component of a septic system, made up of underground pipes laid out below the surface of the ground.
9. Solid waste material from wastewater.
11. a diffuse area that produces pollution
17. A rapid increase or accumulation in the algal population of a waterway.
18. the maximum contaminant level
19. A large container that receives wastewater from a house as part of a septic system.
22. Toxic compound that can be found in rocks