Landfill: Air Pollution

Department for Environment, Food and Rural Affairs written question – answered on 24 May 2023.

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Photo of Ruth Jones Ruth Jones Shadow Minister (Environment, Food and Rural Affairs)

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 16 May 2023 to Question 184192 on Landfill: Air Pollution, if she will list (a) dates when the Environment Agency have conducted targeted monitoring to identify pollutant levels and investigated concerns and (b) locations where this monitoring has taken place in each of the last five years.

Photo of Rebecca Pow Rebecca Pow The Parliamentary Under-Secretary of State for Environment, Food and Rural Affairs

The Environment Agency has conducted its own monitoring around the following landfill sites in England in the last five years:

Table 1: Locations of ambient air monitoring by the Environment Agency near landfill sites between 2018 - 2023 and comparison with the 24-hour average WHO Guideline for hydrogen sulphide (H2S).

Monitoring Location

Landfill Site Name

Start Date

End Date

Clayton Le Woods

Clayton Hall Landfill Site

13 Feb 2018

10 Dec 2018


Walleys Quarry Landfill Site

28 Feb 2019

25 Jun 2019


Rushton Landfill Site

14 Feb 2019

18 Sept 2019

Bristol (Emerson Green)

Shortwood Quarry Landfill Site

9 Feb 2020

27 Aug 2020

Blaydon in Ryton

Blaydon Quarry Landfill Site

16 Jan 2020

7 Sept 2020


Finmere Quarry Landfill Site

24 Jan 2020

11 Apr 2020


Poplars Landfill Site

3 Feb 2020

17 Jun 2020


Highfields Landfill Site

12 Mar 2020

11 Aug 2020

Silverdale Pumping Station

Walleys Quarry Landfill Site

4 Mar 2021


Silverdale Galingale View

Walleys Quarry Landfill Site

5 Mar 2021


Silverdale Fire Station

Walleys Quarry Landfill Site

25 Apr 2021


Silverdale Cemetery

Walleys Quarry Landfill Site

12 Apr 2021



Buckden North Landfill Site

19 May 2022

2 Dec 2022

Clayton Le Woods

Clayton Hall Landfill Site

23 Aug 2022

19 Oct 2022

Notes –

  • Since April 2013, the Environment Agency has a statutory role only around the regulation of landfill sites in England. Natural Resources Wales have a similar role in Wales.
  • The Environment Agency’s Ambient Air Monitoring Team has carried out these monitoring studies in England during the last five years using real time monitoring equipment located on or outside the boundary of the landfill sites.
  • Other monitoring is required of the operator of the permitted site themselves. Part of assessing permit compliance at these installations by the Environment Agency is checking the monitoring processes and the data that is collected by the operator.
  • Monitoring at these locations was triggered by a variety of issues and the results of the monitoring, presented in detailed reports, are used to inform the Environment Agency’s regulatory activities such as, requiring improvements to operations but also in some cases, the data was used to confirm that there weren’t any risks to the environment or human health.
  • Examples of the detailed report that the Environment Agency’s Ambient Air Monitoring Team produce to accompany their ambient air monitoring around landfill sites can be seen here -
  • More information on the Environment Agency’s Mobile Monitoring Facilities can be found here -

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