National Borehole Decommissioning Project: Survey and Remediation of Redundant Boreholes
Defra Network eTendering Portal · Awarded contract
AwardedNational Borehole Decommissioning Project: Survey and Remediation of Redundant Boreholes
Awarded 24 Dec 2021
Awarded24 Dec 2021
Value£1,063,261.75
SupplierTetra Tech Ltd
RegionUnited Kingdom
CategoryWater & Sanitation
Expires in 2mo5y term, 97% elapsed
Awarded 24 Dec 2021Expires 23 Dec 2026
About
Defra Network eTendering Portal awarded a contract to Tetra Tech Ltd for technical support to survey redundant boreholes and remediate or decommission high-risk boreholes across the country.
The contract, valued at £1,063,261.75, supports the Environment Agency's National Borehole Decommissioning Project (NBDP), which addresses redundant boreholes from the Groundwater Level Monitoring Network.
To date, 2,496 redundant boreholes have been identified, with 421 surveyed and 2,075 remaining.
This commission builds on work performed since 2017.
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National Borehole Decommissioning Project: Survey and Remediation of Redundant Boreholes
Won by Tetra Tech Ltd · Defra Network eTendering Portal
£1.1Mawarded
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Landfill Monitoring Consultancy – Two-Year Borehole Programme at Point of Ayre (Isle of Man)Energy & Environment · Closes 18 Nov 2026
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