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Elements and Performance Criteria

1. Assess sites for reclaimed water irrigation
   • Identify soil/water interactions and soil properties important for plant growth.
   • Identify soil sampling sites, collect samples and conduct soil testing.
   • Classify soils using field texture, pH and structure analysis.
   • Monitor and determine the water holding capacity of the soil.
2. Assess quality of reclaimed water for irrigation
   • Sample and test reclaimed water and interpret quality parameters.
   • Determine crops suitable for the quality of reclaimed water and site conditions.
3. Implement reclaimed water irrigation
   • Identify basic features of irrigation systems.
   • Operate and maintain irrigation equipment.
   • Identify and apply irrigation scheduling options for reclaimed water.
   • Produce water budgets using crop factors and climate data.
   • Apply irrigation water and collect and monitor tail water or runoff.
4. Respond to water or soil quality issues
   • Develop irrigation management options to respond to water quality issues.
   • Identify and apply requirements and options for soil ameliorants.
   • Monitor infiltration and drainage.
5. Compile reclaimed water irrigation records
   • Compile reports from system data.
   • Report observations outside defined parameters for further action.
6. Assess sites for reclaimed water irrigation
   • Identify soil/water interactions and soil properties important for plant growth.
   • Identify soil sampling sites, collect samples and conduct soil testing.
   • Classify soils using field texture, pH and structure analysis.
   • Monitor and determine the water holding capacity of the soil.
7. Assess quality of reclaimed water for irrigation
   • Sample and test reclaimed water and interpret quality parameters.
   • Determine crops suitable for the quality of reclaimed water and site conditions.
8. Implement reclaimed water irrigation
   • Identify basic features of irrigation systems.
   • Operate and maintain irrigation equipment.
   • Identify and apply irrigation scheduling options for reclaimed water.
   • Produce water budgets using crop factors and climate data.
   • Apply irrigation water and collect and monitor tail water or runoff.
9. Respond to water or soil quality issues
   • Develop irrigation management options to respond to water quality issues.
   • Identify and apply requirements and options for soil ameliorants.
   • Monitor infiltration and drainage.
10. Compile reclaimed water irrigation records
    • Compile reports from system data.
    • Report observations outside defined parameters for further action.

Performance Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. If not otherwise specified the candidate must demonstrate evidence of performance of the following on at least one occasion.

monitoring and managing soil

solving operational problems

accessing, interpreting and applying relevant legislation

apply environmental policies, plans and procedures

assessing environmental risks at the work site

identifying soil groups

using safety and personal protective equipment

sampling and testing soil and water

monitoring, operating and controlling reclaimed water irrigation

analysing critical aspects of reclaimed water reuse management relating to the project or site

implementing reclaimed water reuse irrigation

identifying environment, health and safety risks and impact on soil, stock and operators

applying environmental procedures

participating in and contributing to reviews of reclaimed water reuse procedures

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Knowledge Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. If not otherwise specified the depth of knowledge demonstrated must be appropriate to the job context of the candidate.

key principles of irrigation practices, including irrigation scheduling

key characteristics of reclaimed water

relevant legislative requirements

standard operating procedures

primary agencies involved in drinking water quality management

water quality performance indicators

an overview of the water supply system

water hazardous agents and preventative strategies

community and agency roles and responsibilities in monitoring water quality

best management practices for the use of reclaimed water for irrigation purposes

reclaimed water usage licensing procedures and requirements

environmental, landscape and ground structure of work area

equipment operation, capacity and limitations

effects of weather and conditions on operation of site or plant

interpretation and use of material safety data sheets

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