Guidance: Groundwater activity exclusions from environmental permits

Updated: Added a new de minimis exclusion (section 2.7). It explains when you can discharge groundwater that meets drinking water quality standards onto ground.

Use this publication to find out about groundwater activity exclusions for:

  • accidents and natural causes
  • very minor discharges – also called ‘de minimis’
  • risks to human health or the environment
  • disproportionate cost for land contamination