water resources

2. A protected area of importance for wildlife, flora, fauna or features of geological or other special interest
4. The process of forcing water through a special membrane to remove very small particles
6. Water shortage problem
7. 1 of the measures to conserve water supply
8. 1 of the method of desalination
9. Is a process to change materials into new products to prevent waste of potentially useful materials
14. Process of filtering water to remove larger sized particles and bacteria from the water
15. To revise the terms of (a contract) so as to limit or regain excess profits gained by the contractor
16. Process of making a product or service available
18. Is a natural or artificial lake, storage pond or impoundment from a dam which is used to store water

1. Arrangement between 2/more countries regrading the supply and use of water resources over a specific period of time
3. Cleaning of sea water
5. A process of removing undesirable chemicals, materials, and biological contaminants from raw water
7. An area over which rainfalls and is collected
8. Process of converting sea water into fresh water by removing salt from the sea water
10. An outdoor water-use restriction is a ban or other lesser restrictions put into effect that restricts the outdoor use of water supplies
11. The knowledge,skills and tools that people use to meet their needs
12. Ensuring that wastage is kept to a minimum
13. Weak/unfavourable position
17. A supply of water