Across
- 1. a phenomenon in which a body of water becomes rich in nutrients, causes an algae bloom, microbes take up all the oxygen, create dead zones
- 3. no oxygen in the water
- 7. the amount of oxygen a quantity of water uses over a period of time at a specific temperature
- 9. legislation that supports protecting all waterways
- 11. a component of a septic system made up of underground pipes laid out below the surface of the ground
- 12. a layer of fairly clear water found in the middle of a septic tank
- 14. a group of generally harmless microogranisms in human intestines that can serve as an indicator species for potentially harmful bacteria/sewage present
- 15. site of oil spill from a tanker that crashed off the coast of Alaska
- 18. nonchemical water pollution that occurs when human activities cause a substantial temperature change in the water
- 19. a group of industrial compounds used to manufacture plastic and insulate electrical transformers
- 20. solid waste material from wastewater
- 23. nonchemical water pollution that severely impacts whales and their ability to communicate
- 24. a species that shows whether or not disease-causing pathogens are likely to be present
Down
- 2. a distsinct location from which pollution is directly produced
- 4. a large container that receives wastewater from a house as part of a sepctic system
- 5. a diffuse area that produces pollution
- 6. human-made ponds with rubber built to handle large amounts of feces produced by livestock
- 8. site of oil rig explosion in the Gulf of Mexico
- 10. water produced by livestock or human activities
- 13. a group of harmful chemicals used as rocket fuel
- 16. a dramatic change in the water temperature that can kill organisms
- 17. the standard established by the EPA of what is allowed in our drinking water
- 21. legislation that sets standards for safe drinking water
- 22. a small/simple sewage treatment system made up of a septic tank and leach field (rural homes)