Across
- 2. Low-lying area where water collects
- 4. Plant part that grows deep to absorb water
- 6. Raised mound of soil holding water in
- 12. Process of water soaking into soil
- 13. Variety of living things in one area
- 15. Pipe that directs roof water downward
- 17. Test for how quickly soil absorbs water
- 19. Plants adapted to local climate and soil
- 20. Protective wood or bark layer on soil
Down
- 1. Wearing away of soil by wind or water
- 3. Rain or snowmelt flowing off hard surfaces
- 5. Soil particles carried by moving water
- 7. Water that moves across the ground surface
- 8. Ground layer often amended for infiltration
- 9. Shallow planted basin that captures and filters stormwater
- 10. Regular care to keep a system working
- 11. Harmful substances carried by runoff
- 14. Exit point for excess water in a rain garden
- 16. Natural home of plants or animals
- 18. Built systems, green or gray, that manage water