Uncontrolled Leachate Discharge (Leachate Spill)

Disclaimer: This procedure guides the operation of YVLF. It is intended as a working document that is improved through operational experience and updated accordingly. Please send updates, changes and comments to landfill@ncc.govt.nz

Leachate Overflow

    • Landfill Management Plan 2023 - Chapter 4.14.8.2.

    • The leachate pipe network fails beyond the landfill toe. This could cause the leachate pipe network to become broken or blocked which could result in seepage of leachate into surrounding soils or overflow at manholes.

    • The leachate discharge pipework fails, and the leachate is not able to be discharged into the wastewater system.

    • The leachate flows exceed the rate at which leachate can be discharged to the wastewater system. This could be caused by stormwater intrusion to the landfill or too much liquid waste generating leachate at higher volumes than can be discharged to wastewater.

    • LMP 2023 - Chapter 4.14.8.3.

    • Refer to Emergency Procedures - Leachate Spill [LINK]

Other Discharge Procedures

  • 11/24 - Page uploaded from Word document Leachate - Draft 3.

    • Need to develop Emergency Procedures - Leachate Spill [LINK]

  • Please send updates, changes and comments to landfill@ncc.govt.nz