water resources

5. Process of filtering water to remove larger sized particles and bacteria from the water
8. An area over which rainfalls and is collected
11. A supply of water
12. Process of making a product or service available
13. Water shortage problem
16. A process of removing undesirable chemicals, materials, and biological contaminants from raw water
17. A protected area of importance for wildlife, flora, fauna or features of geological or other special interest
18. To revise the terms of (a contract) so as to limit or regain excess profits gained by the contractor
20. Process when water is boiled and the water vapour is collected and condensed into fresh water

1. An outdoor water-use restriction is a ban or other lesser restrictions put into effect that restricts the outdoor use of water supplies
2. Is a process to change materials into new products to prevent waste of potentially useful materials
3. Process of converting sea water into fresh water by removing salt from the sea water
4. The process of forcing water through a special membrane to remove very small particles
6. Arrangement between 2/more countries regrading the supply and use of water resources over a specific period of time
7. The knowledge,skills and tools that people use to meet their needs
8. 1 of the measures to conserve water supply
9. 1 of the method of desalination
10. Ensuring that wastage is kept to a minimum
14. Weak/unfavourable position
15. Is a natural or artificial lake, storage pond or impoundments from a dam which is used to store water
19. Cleaning of sea water