Across
- 2. Continuous observation or tracking of a process or system (10)
- 5. A measure of water’s chemical, physical and biological condition (7)
- 6. The natural world affected by human activity (11)
- 9. Chemical added to drinking water and swimming pools to disinfect (8)
- 10. A system for carrying away excess water (8)
- 15. Mineral added to water to help prevent tooth decay (8)
- 16. Make free from harmful germs (9)
- 18. One of the largest dams in NSW and Sydney's main source of water (10)
- 19. Aquatic organisms that can bloom in excess nutrients (5)
- 20. Water that has been purified and reused (9)
- 22. Facility where water or wastewater is purified (9, 5)
- 23. Exclusive control of a market or service (8)
- 25. Natural or artificial place where water is stored (9)
Down
- 1. Rivalry among businesses in the same industry (11)
- 3. Barrier built to contain the flow of water or store it for later use (3)
- 4. Company managing Sydney’s water supply (6,5)
- 7. Natural stream of water flowing toward a sea, lake, or another body of water (5)
- 8. Water stored below the surface in soil and rock (11)
- 11. Type of light used in water purification to kill bacteria (12)
- 12. Precipitation from clouds (4)
- 13. The process of removing salt from seawater to make it drinkable (12)
- 14. Tubes through which water is transported (5)
- 17. The movement of water in a stream or system (4)
- 20. Consistent, dependable and unlikely to fail (8)
- 21. People who use goods and services (9)
- 24. The force exerted by water in pipes, measured in PSI (8)