Across
- 3. large container that takes wastewater from a house, part of septic system
- 4. legislation that created national standards for safe drinking water
- 5. increase in fertility in a body of water, anthropogenic inputs
- 10. a wide area that causes pollution
- 14. species that indicates whether or not diseases-causing pathogens are not present
- 15. wastewater that carries viruses, bacteria, protists
- 16. legislation that stands by maintaining and restoring chemical, physical, and biological properties of surface water
- 17. region that contains severely low oxygen levels IN a body of water
- 21. huge change in water temperature possibly causing organisms to die
- 22. contains septic tank, leach field and is a small and easy treatment (homes)
- 23. body of water contains rich nutrients, example: caused by algae blooms
- 24. part of septic system, containing underground pipes below surface of ground
Down
- 1. compound found in Earth's crust, dissolves into groundwater
- 2. different bodies of water becoming contaminated because of anthropogenic causes
- 6. different water pollution sources from humans including excess water from washing clothes and even livestock operations
- 7. harmless microorganisms in human intestines as indicator species
- 8. the amount of oxygen a section of water uses over a distant period of time
- 9. solid waste material found in the water pollution
- 11. a certain location that can be pinpointed that causes pollution
- 12. human-made pond surrounded with rubber to deal with livestock manure
- 13. contaminates water passing through lead-lined pipes, brass fittings, solder to fasten pipes
- 18. acid deposits on Earth including precipitations and snow or as gases and other substances attach to surfaces of plants, soil, and water
- 19. industrial compounds used to manufacture plastics leads to environmental problems
- 20. non chemical water pollution caused by humans affecting the temperature of water
- 22. layer of almost clear water in middle of septic tank
