NWPGEN020 — Sample and test source or drinking water
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What an assessment for NWPGEN020 must cover
35 assessable components: 3 elements (15 performance criteria), 10 performance evidence and 10 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.
Elements & performance criteria
1 Prepare for water quality sampling and testing
- 1.1Determine work requirements from standard operation procedures
- 1.2Confirm and record samples, locations and tests to comply with requirements
- 1.3Select and check relevant equipment and tools to meet tasks and safety requirements
- 1.4Select and apply relevant sample preservation methods
- 1.5Select, fit and use personal protective equipment according to workplace procedures
- 1.6Limit hazards and contamination to protect self, work area and environment
2 Conduct water quality sampling and testing
- 2.1Apply chain of custody principles according to workplace procedures
- 2.2Collect samples ensuring types, locations, times and labels comply with requirements and workplace procedures
- 2.3Prepare samples for off-site laboratory testing according to requirements
- 2.4Maintain integrity of samples during sampling and onsite testing
- 2.5Conduct worksite water quality tests according to workplace procedures and record results
- 2.6Assess and report abnormal characteristics to relevant personnel
3 Finalise work
- 3.1Clear and restore work area
- 3.2Report observations or measurements requiring further action to relevant personnel
- 3.3Dispose of samples, clean and store test equipment according to workplace procedures
Performance evidence
- assessing risks
- calibrating worksite testing equipment
- collecting samples from at least one of the following: • source water • treated water
- disposing of waste and spent samples
- following sampling and testing procedures
- performing at least three of the following types of worksite tests on the collected samples: • chlorine • colour • dissolved oxygen • electrical conductivity • pH • temperature • turbidity
- planning and preparing for water sampling tasks
- preparing, checking and using equipment
- preparing, collecting, labelling and preserving water samples
- recording all required information
Knowledge evidence
- abnormal characteristics of water samples and test results
- chain of custody
- effects of weather and conditions on work
- hazards associated with collection of water samples
- maintenance and storage of reagents
- range and purpose of on worksite water quality testing and sampling
- requirements for maintaining sample integrity
- sample types for the following tests: • chemical • microbial • physical • radiological
- water sample preparation
- workplace policies and procedures
Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.
See what you get before you start
Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:
Questions about assessing NWPGEN020
What does an assessment tool for NWPGEN020 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for NWPGEN020 needs to address all 35 unit components: 3 elements with 15 performance criteria, 10 performance evidence requirements, 10 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.
How does Auditori generate an assessment tool for NWPGEN020?
Auditori pulls the current release of NWPGEN020 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.
Is the first assessment tool really free?
Yes. Every new account includes one free credit — enough to generate the complete assessment tool for NWPGEN020 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing NWPGEN020 assessment instead of generating a new one?
Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of NWPGEN020, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
Related units
- NWPGEN006 — Implement and manage environmental management policies
- NWPGEN016 — Interpret and comply with regulatory requirements
- NWPGEN017 — Apply the risk management principles of the water industry standards, guidelines and legislation
- NWPGEN018 — Follow environmental and licensing procedures
- NWPGEN019 — Assess, implement and report environmental procedures
- NWPGEN021 — Sample and test wastewater
- NWPGEN022 — Perform laboratory testing
- NWPGEN023 — Use maps, plans, drawings and details
- NWPGEN024 — Identify the role and functions of the water industry
- NWPGEN025 — Apply principles of chemistry to water systems and processes
- NWPGEN026 — Provide and promote customer service
- NWPGEN027 — Monitor and operate pump stations
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