Latest News

11/11/25

From the week commencing 11 November 2025 our contractors will be carrying out works to restore the operation of the leachate treatment plant, which will reduce reliance on road tankers to remove leachate offsite for treatment. This may result in some temporary, slight increases in offsite odour while the work is carried out.

23/07/25

In June 2025 the Environment Agency launched ‘Report an environmental problem’, a new online reporting service to make it easier to report water and odour pollution across England. This will replace the Walleys Quarry online reporting service on 6 August 2025.

If you need to report an odour, please use the following link - Report a smell from a waste facility, industrial site or farm in England - GOV.UK

23/06/25

In our previous news update on 30 August 2024 we explained that the removal of the Mobile Monitoring Facility (MMF) located at Silverdale Pumping Station had been delayed for 2-3 months. The MMF must now be removed at the end of June 2025, as the landowner is starting previously delayed construction work at the beginning of July. We have sought alternative locations but none were appropriate, and so the MMF will be removed.

Levels of hydrogen sulphide around the site have continued to be below the World Health Organisation (WHO) odour annoyance guideline value at all 3 MMFs since 24 March 2025. It is particularly positive to see this reflected in the significantly reduced numbers of odour reports we have received since March, with just 38 reports received in May and 17 so far in June. These low numbers are also reflected in data compiled by partner organisations.

We are confident that the works being undertaken on site will continue to drive down risks of odourous emissions from the site. Works to date have included improvements to the temporary capping and site containment, improved leachate management (including off-site disposal) and the ability to better manage surface water within the void area. Our contractors continue to make positive progress on site, in carrying out the steps that we have arranged to remove a risk of serious pollution. For more information visit our work on site page. 

We are confident that removing this MMF does not negatively impact our ability to effectively monitor ambient air quality around the site. The MMFs at Galingale View and Maries Way are remaining in place, and all partners are satisfied that they will provide the monitoring data necessary to enable UKHSA to continue to provide health risk assessments. We will continue to monitor the situation as the work on site progresses but are confident that, if conditions remain as they are, this MMF will not need to be replaced once construction works are complete. We continue to remain committed to working with our partners on the future of this site.

You can continue to report odour by telephone on 0800 80 70 60 or by using our online form.

09/06/25

We have updated our work on site page, click here to view our update.

23/05/25

Following our latest news update on 21 May 2025, we have completed our update of the Engagement HQ website.

None of the previous information has been removed but it has been relocated.

You will now find the Background, Our Strategy, Closure Notice, and Permit Compliance pages in our library section under the heading Historic Regulation.

21/05/25

Our Engagement HQ website will be temporarily offline between 9:00 am on Thursday 22 May and 4:00 pm on Friday 23 May 2025. This is so that we can carry out updates to the layout of the website to make it easier to see current information.

None of the previous information will be removed, and it will still be available to be viewed again after 4:00 pm on Friday 23 May 2025. Once the changes have been made, we will continue to update the community about steps the Environment Agency has arranged to take to remove a risk of serious pollution, and air quality monitoring information, including monitoring data and Health Risk Assessments from the UK Health Security Agency.

We apologise for any inconvenience caused.

11/11/25

From the week commencing 11 November 2025 our contractors will be carrying out works to restore the operation of the leachate treatment plant, which will reduce reliance on road tankers to remove leachate offsite for treatment. This may result in some temporary, slight increases in offsite odour while the work is carried out.

23/07/25

In June 2025 the Environment Agency launched ‘Report an environmental problem’, a new online reporting service to make it easier to report water and odour pollution across England. This will replace the Walleys Quarry online reporting service on 6 August 2025.

If you need to report an odour, please use the following link - Report a smell from a waste facility, industrial site or farm in England - GOV.UK

23/06/25

In our previous news update on 30 August 2024 we explained that the removal of the Mobile Monitoring Facility (MMF) located at Silverdale Pumping Station had been delayed for 2-3 months. The MMF must now be removed at the end of June 2025, as the landowner is starting previously delayed construction work at the beginning of July. We have sought alternative locations but none were appropriate, and so the MMF will be removed.

Levels of hydrogen sulphide around the site have continued to be below the World Health Organisation (WHO) odour annoyance guideline value at all 3 MMFs since 24 March 2025. It is particularly positive to see this reflected in the significantly reduced numbers of odour reports we have received since March, with just 38 reports received in May and 17 so far in June. These low numbers are also reflected in data compiled by partner organisations.

We are confident that the works being undertaken on site will continue to drive down risks of odourous emissions from the site. Works to date have included improvements to the temporary capping and site containment, improved leachate management (including off-site disposal) and the ability to better manage surface water within the void area. Our contractors continue to make positive progress on site, in carrying out the steps that we have arranged to remove a risk of serious pollution. For more information visit our work on site page. 

We are confident that removing this MMF does not negatively impact our ability to effectively monitor ambient air quality around the site. The MMFs at Galingale View and Maries Way are remaining in place, and all partners are satisfied that they will provide the monitoring data necessary to enable UKHSA to continue to provide health risk assessments. We will continue to monitor the situation as the work on site progresses but are confident that, if conditions remain as they are, this MMF will not need to be replaced once construction works are complete. We continue to remain committed to working with our partners on the future of this site.

You can continue to report odour by telephone on 0800 80 70 60 or by using our online form.

09/06/25

We have updated our work on site page, click here to view our update.

23/05/25

Following our latest news update on 21 May 2025, we have completed our update of the Engagement HQ website.

None of the previous information has been removed but it has been relocated.

You will now find the Background, Our Strategy, Closure Notice, and Permit Compliance pages in our library section under the heading Historic Regulation.

21/05/25

Our Engagement HQ website will be temporarily offline between 9:00 am on Thursday 22 May and 4:00 pm on Friday 23 May 2025. This is so that we can carry out updates to the layout of the website to make it easier to see current information.

None of the previous information will be removed, and it will still be available to be viewed again after 4:00 pm on Friday 23 May 2025. Once the changes have been made, we will continue to update the community about steps the Environment Agency has arranged to take to remove a risk of serious pollution, and air quality monitoring information, including monitoring data and Health Risk Assessments from the UK Health Security Agency.

We apologise for any inconvenience caused.

Page last updated: 11 Nov 2025, 09:18 AM