Across
- 8. Use of water without harming future supply
- 10. Unintended loss of water from pipes
- 12. Using less water to achieve the same output
- 13. Man-made storage for water supply
- 14. Land area that drains into a common water body
- 15. Harvested precipitation collected for reuse
- 17. Regular measurement of water quantity and quality
- 18. Water safe for drinking
- 19. Salt concentration in water
- 20. Area collecting rainfall for a river or lake
Down
- 1. Prolonged period of water scarcity
- 2. Overflow of water onto normally dry land
- 3. Artificial application of water to crops
- 4. Removal of salts from seawater
- 5. Process to remove contaminants from water
- 6. Replenishment of groundwater reserves
- 7. Excess water flowing over land surface
- 9. Underground layer that stores groundwater
- 11. Careful use of water to avoid waste
- 16. Reuse of treated wastewater