EIR - contaminated land inspections
Case reference FOI2026/01134
Received 2 June 2026
Published 1 July 2026
Request
I would like the following under the terms of the Environmental Information Regulations (EIR).
* The number of potentially contaminated sites identified by your council in 2000.
* The number of these sites that were deemed high risk.
The number of sites inspected that had significant levels of contamination, but have since been remediated.
Details of the location of the potentially contaminated sites that were deemed high risk.
* This could be in the form of addresses, lat and long coordinates, or grid reference numbers. I would like this information sent to me in an Excel friendly format.
In addition, I would also like to request, under EIR:
* The number of contaminated land inspections carried out per year by the council, from 1 January 2022 to 1 June 2026.
* The amount of money currently allocated to contaminated land work in the council’s most recent budget.
* The date of their last published Contaminated Land Inspection Strategy produced by your council.
Response
Thank you for your request for information under the Environmental Information Regulations Act 2004.
Please find the answers to your queries below:
I would like the following under the terms of the Environmental Information Regulations (EIR).
* The number of potentially contaminated sites identified by your council in 2000.
643.
* The number of these sites that were deemed high risk.
48 – a number of these have also been remediated as part of development process.
* The number of sites inspected that had significant levels of contamination, but have since been remediated.
11 – this number only relates to the sites with significant levels of contamination. There are several sites, with a degree of contamination, investigated and if required, remediated under planning regime.
* Details of the location of the potentially contaminated sites that were deemed high risk.
This could be in the form of addresses, lat and long coordinates, or grid reference numbers. I would like this information sent to me in an Excel friendly format.
Please see the attached PDF. The only site, which was deemed high risk to the neighbouring development was Slyfield industrial estate and mitigation measures were installed to manage risks – venting pipes and cowl; vertical gas barrier and regular gas and groundwater monitoring wells.
Stonebridge Landfill was the other site from where risks were managed through routing monitoring and alarm system.
The rest of the sites had significant contamination present, but the mitigation work was required as part of the redevelopment.
In addition, I would also like to request, under EIR:
* The number of contaminated land inspections carried out per year by the council, from 1 January 2022 to 1 June 2026.
One.
* The amount of money currently allocated to contaminated land work in the council’s most recent budget.
£13,000 including staff resources.
* The date of their last published Contaminated Land Inspection Strategy produced by your council.
2001.
Yours sincerely,
FOI Team
Guildford Borough Council
Documents
This is Guildford Council's response to a freedom of information (FOI) or environmental information regulations (EIR) request.
You can browse our other responses or make a new FOI request.