EPA Victoria Check Your Groundwater Area (CYGA) - Location Polygons

dataset: CYGA_POLYGON
Check Your Groundwater Areas (CYGA) are areas where there has been historic groundwater pollution as a result of previous industrial or other activities. They were previously called Groundwater Quality Restricted Use Zones (GQRUZ). CYGAs are either currently being investigated or have been subject to clean up in line with the relevant environmental standards. However, the water needs to be checked before using it as it may be unsuitable. A CYGA remains during investigating extent of groundwater impacts and when attempts have been made to clean up the groundwater at the affected site, but full clean-up was not possible - as it is often difficult to remove 100 per cent of groundwater pollution. It also may be impractical to clean up groundwater to the level needed to restore it to its original condition. EPA then identifies that groundwater in the area should be checked to determine if it is suitable for use. CYGA do not represent a comprehensive list of all sites where groundwater quality may not be suitable for use. Rather, they represent locations where EPA has formally recognised that groundwater is polluted, following site investigations. Other sources of information on groundwater quality include EPA's Priority Sites Register, which lists sites which are currently undergoing clean-up under EPA's compliance and enforcement activities. Every effort has been made to ensure the accuracy of the CYGA data published. EPA will not be held liable or responsible for any errors, or for any loss incurred from reliance on this data. This dataset mirrors the CYGA data available on EPA's website interaction portal, but may not be up to date due to data transfer processes. For the most up to date data, go to EPA's website interaction portal. Download and links
 
Citation proposal Citation proposal
(2025)

EPA Victoria Check Your Groundwater Area (CYGA) - Location Polygons

Environment Protection Authority Victoria
 

Simple

 
 

Description

Title
EPA Victoria Check Your Groundwater Area (CYGA) - Location Polygons 
Alternate title
CYGA_POLYGON 
Purpose
EPA Victoria Check Your Groundwater Area (CYGA) 
 
 

Temporal

 
 

Spatial

 
 

Maintenance

Maintenance and update frequency
Weekly  
 
 

Format

 
 

Contacts

  Point of contact

Cited responsible party  

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Cited responsible party  

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Cited responsible party  

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Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Environment
 
 

Resource Constraints

Use limitation
Available under a Creative Commons Attribution 4.0 International license. 
Classification
Restricted  
 
 

Lineage

 
 

Metadata Constraints

Use limitation
Unknown 
Classification
Restricted  
 
 

Quality

Attribute Quality
Positional Accuracy
Conceptual Consistency
Missing Data
Excess Data
 
 

Acquisition Info

 
 

Raster Data Details

 
 

Point Cloud Data Details

 
 

Contour Data Details

 
 

Survey Details

 
 

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