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Elements and Performance Criteria

  1. Confirm scope of water quality management
  2. Organise water quality management activities
  3. Verify water quality data
  4. Determine if results are acceptable and within expectation
  5. Investigate/rectify unexpected or unacceptable results
  6. Keep management informed about water quality performance
  7. Maintain water quality records

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Legislation, regulations, standards, codes, workplace procedures and requirements include the latest version of one or more of:

federal legislation such as the Environment Protection and Biodiversity Conservation Act, and National Environmental Protection Measures

state/territory government legislation and local government by-laws, policies, regulations and plans dealing with land use; environmental protection; water and water management; pollution and contaminated sites; fisheries, forestry and mining operations

legislation, standards and codes of practice for work health and safety (WHS)

Australian and international standards covering environmental management (e.g. AS/NZS ISO 14000 Basic Set:2007 Environmental Management Basic Set), sampling and analysis of water (e.g. AS 2031 Water quality, AS 3550 Waters series, AS/NZS 4276 Water microbiology series, and AS/NZS 5667 Water quality – Sampling series)

industry methods and guidelines, such as US Environmental Protection Authority (EPA) Methods and guidance for the analysis of water, American Public Health Association (APHA) Standard methods for the examination of waters and wastewaters, ANZECC Guidelines for fresh and marine water quality, and Australian guidelines for water quality monitoring and reporting

registration/licensing and/or accreditation requirements

site-specific requirements; workplace procedures for sampling, monitoring and in-field testing; recording, processing, presenting and reporting data

workplace documents, such as standard operating procedures (SOPs); work schedules; recording and reporting procedures; equipment manuals and warranties; supplier catalogue and handbooks; safety data sheets (SDS) and safety procedures; waste minimisation, containment, processing and safe disposal procedures

Water quality measurement parameters (field and laboratory) include one or more of:

physical and chemical tests, such as:

temperature

electrical conductivity

phosphorus (total and soluble reactive)

nitrogen (nitrate, organic, ammonia and Kjeldahl)

ratio of total phosphorus to total nitrogen

total organic carbon (TOC)

dissolved organic carbon (DOC)

biological oxygen demand (BOD)

chemical oxygen demand (COD)

true colour (Pt/Co units)

turbidity

Secchi disk depth

total suspended solids

volatile suspended solids

chlorophyll and phaeophytin

pH

silica

metals (total and dissolved)

organic and inorganic pollutants

microorganisms

ecotoxicological tests, such as:

toxicity tests (bioassays) using bacteria, algae, invertebrates and fish

use of biomarkers and bioaccumulation

ecological assessment (e.g. Australian River Assessment System (AUSRIVAS) for rapid assessment of health using macro invertebrates).

Sampling and field monitoring equipment include one or more of:

bottle sampling containers (e.g. glass, polyethylene and plastic)

pumping systems for shallow depths, depth samplers, automatic samplers and integrating samplers

groundwater sampling systems

sediment sampling systems

samplers for aquatic organisms, such as nets, traps, cages, hose pipe, sticks and modified brushes

reagents, such as acid washes, electrode filling and storage solutions, and preservatives

filters, such as membrane, microfiber and paper

parameter specific meter or multi-probes (e.g. dissolved oxygen, electrical conductivity, pH, turbidity, nitrates, phosphates and temperature)

field test kits to determine such parameters as dissolved gases, chemical anions and cations, heavy metals, E. coli and BOD

portable colorimeters, field microscopes

data loggers and global positioning system (GPS).

Water quality reports include one or more of:

weekly and monthly environmental reports

non-conformance report form

contributions to regulatory agency reports as required by permit, approval or licence conditions.

Water quality records include one or more of:

digital photographs of water quality monitoring sites

data files

records required by permit, approval or licence conditions

records of monitoring equipment purchase, calibration, inspection, maintenance and service

records of complaints and government requests

records of water quality non-conformances, incidents or significant impacts

contractor and supplier information

internal quality/environmental audit reports

electronic/hard copy correspondence

records of approved expenditure and orders.

Water quality management actions include one or more of:

correct handling and storage of chemicals and fuels to prevent spills to wetlands and stormwater system

minimising water consumption through substitution, water efficient devices and recycling/reuse

scheduling of works to enable disturbed areas to be promptly re-vegetated or stabilised progressively

regular inspection and maintenance of sediment control structures and stormwater drainage pits

keeping stormwater run-off free of litter, gross pollutants and contaminants

diversion of clean run-off away from disturbed areas

use of vegetated swale drains and filter strips

use of erosion control structures, such as silt fences, sand bags and geofabric wrapped hay bales

checking water for contaminants before disposal

controlling the timing, frequency and magnitude of water releases from the site

controlling access of feral/stock and domestic animals to wetlands

limiting disturbance of wetlands, riparian areas and drainage channels by vehicles and/or boats.

WHS and environmental management requirements include:

compliance with relevant federal/state/territory WHS legislation at all times

assuming that samples are potentially hazardous and applying standard precautions

accessing and applying current industry understanding of infection control issued by the National Health and Medical Research Council (NHMRC) and state/territory Departments of Health, where relevant.


Performance Evidence

Evidence of competence in this unit must satisfy all of the requirements of the elements and performance criteria, and include demonstration of:

planning and implementing the day-to-day water quality management activities for at least one (1) site, project or ongoing program

accessing, interpreting and applying relevant legislative/regulatory requirements, standards, codes, guidelines and manuals

explaining relevant water quality standards and management plans, sampling/monitoring methods, equipment operating procedures and workplace water quality management actions

verifying the accuracy and completeness of water quality data, results and technical records

using statistical tests (e.g. to determine data acceptability, estimate uncertainties, examine trends and infer basic relationships)

investigating unexpected or unacceptable water quality results in a logical and efficient manner to identify possible root causes

seeking advice when issues/problems are beyond scope of competence/responsibility

recommending appropriate preventative/corrective actions to control potential/actual non-conformances or incidents

responding effectively to complaints and requests for information

providing accurate, complete and timely reports of water quality performance and identifying opportunities for improvements

maintaining water quality records in accordance with legislative/licensing/workplace requirements

working safely and monitoring the safety of others.


Knowledge Evidence

Must provide evidence that demonstrates knowledge of:

water quality management terminology, concepts and principles used in job role

legislative/regulatory requirements, standards, codes and guidelines dealing with water quality

workplace water quality management plans and procedures, common water quality issues, control measures and mitigation/management actions

measurement parameters for waters, sediments or biota relevant to site/project/program

detailed scientific and technical knowledge of the samples, sampling/monitoring methods, equipment, materials and instrumentation used to generate the water quality data, including calibration, fault-finding and troubleshooting

expected values for water quality parameters, relevant ANZECC guidelines, and statutory environmental quality concentration limits or similar

problem-solving techniques and cause analysis

impacts of common human, environmental and/or meteorological factors on data quality

sources of interference, uncertainty, limitations of methods and sources of variability

workplace procedures for identifying/assessing environmental risks/impacts, responding to complaints and environmental incidents, and record management and reporting water quality data

interpersonal communication, negotiation and conflict resolution techniques

relevant hazards, health, safety and workplace emergency response procedures.