Across
- 2. a body of permeable rock which can contain or transmit groundwater.
- 5. whole natural water system in a drainage basin
- 7. a hole drilled into the ground to access water contained in an aquifer
- 8. the level below which the ground is saturated with water.
- 11. zone which contributes water to an aquifer
- 12. any single identifiable source of pollution from which pollutants are discharged
- 15. land consisting of marshes or swamps
- 17. not allowing liquids or gases to pass through it
- 18. water that has been used and is dirty
- 19. practice of landscaping with slow-growing, drought tolerant plants to conserve water
- 21. stormwater can no longer sufficiently rapidly infiltrate the soil
- 23. a barrier that stops or restricts the flow of surface water
- 25. the concentration of toxins in an organism
- 26. caused by rainfall or snowmelt moving over and through the ground
Down
- 1. a dense growth of plant life and death of animal life from lack of oxygen in bodies of water
- 3. that is safest to drink
- 4. water held underground in the soil or in pores and crevices in rock.
- 6. water that drains off of it goes into the same place
- 7. removal or transfer of water from one watershed to another
- 9. process that takes away mineral components from saline water.
- 10. any water above ground
- 13. large natural or artificial lake used as a source of water supply.
- 14. the introduction of harmful materials into the environment
- 16. proccess of chemicals entering an organism
- 20. tidal mouth of a large river, where the tide meets the stream
- 22. area of low lying ground next to a river, subject to flooding, two words
- 24. allowing liquids or gases to pass through it.