Across
- 1. a body of permeable rock which can contain or transmit groundwater.
- 4. excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
- 6. the state or quality of being interconnected.
- 9. characterized by having low concentrations of dissolved salts.
- 13. the second-longest river and chief river of the second-largest drainage system on the North American continent.
- 15. landscape that requires little or no irrigation
- 18. a structure created in the ground by digging, driving, or drilling to access liquid resources, usually water.
- 19. a river or stream flowing into a larger river or lake.
- 23. the process by which water-soluble salts accumulate in the soil.
- 25. a bacterium, virus, or other microorganism that can cause disease.
- 27. provided as a service for people in a community
- 28. a structure built across a river or stream to hold back water.
- 30. an underground boundary between the soil surface and the area where groundwater saturates spaces between sediments and cracks in rock.
- 31. a body of water that is surrounded by land.
- 32. pollution that cannot be traced to a specific source.
- 34. the area in which water enters an aquifer.
- 35. a naturally flowing course of water.
Down
- 2. a large natural or artificial lake used as a source of water supply.
- 3. not allowing fluid to pass through.
- 5. water held underground in the soil or in pores and crevices in rock.
- 7. a polluting or poisonous substance that makes something impure.
- 8. the artificial process of applying controlled amounts of water to land to assist in production of crops.
- 10. pollution that can be traced to a specific source.
- 11. a supply of materials for people, plants, and animals to live.
- 12. (in waterways) an instance of turning something aside from its course.
- 14. allowing for liquids or gases to pass through.
- 16. a level of how basic or acidic something is
- 17. a result of an aquifer being filled to the point that the water overflows onto the land surface.
- 20. to flow slowly through porous holes
- 21. water that has a high concentration of salt.
- 22. how wet or moist something is.
- 24. any water that has been contaminated by human use.
- 26. an area of land that drains or “sheds” water into a specific waterbody.
- 29. an artificial waterway.
- 33. a prolonged period of abnormally low rainfall, leading to a shortage of water.
