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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Identify all sources and uses of water in process
   • Identify and categorise by quality all sources of water external to the site
2. Identify and categorise by quality all sources of water within the site
3. Identify all uses of water by process and category
4. Identify water quality required by each process unit
5. Calculate theoretical use of water
   • Calculate theoretical net use of water for each process unit
6. Calculate overall water balance for process or site
7. Evaluate the need for water consumption and water quality by process and units within the process compared to alternative processes or units
8. Measure actual use of water
   • Calculate actual net water use for overall process or site
9. Calculate actual net water use for each process unit
10. Calculate difference between theoretical and actual water use by unit and overall
11. Identify actual water quality used by each process unit
12. Develop strategies for reducing the use of water
    • Rank units by difference between theoretical and actual water use
13. Rank units by actual water use
14. Identify units using higher quality water than required
15. Develop strategies to reduce water consumption and use lower quality water
16. Prepare a report for a water use reduction strategy
    • Consult with key stakeholders
17. Identify strategies required to meet regulatory requirements
18. Rank strategies by cost-benefit ratio
19. Short-list preferred water reduction strategies
20. Write report to provide recommendation for improving water usage