# RDE737 - London Basin Groundwater Model Update

> A sourced UK public-sector contract award published by Environment Agency.

## Key facts

- Public buyer: [Environment Agency](/buyers/environment-agency/contract-awards)
- Contract winner: [UK Centre for Ecology & Hydrology \(UKCEH\)](/contract-winners/uk-centre-for-ecology-hydrology-ukceh/public-sector-contract-awards)
- Award value: £91,746
- Tender value: £91,746
- Award date: 21 May 2025
- Published: 5 June 2025
- Contract start: 16 June 2025
- Contract end: 23 February 2026
- Stage: awarded
- Procurement category: services
- Notice ID: f35b2285-44ad-46d8-af87-541274be79f6-848386
- OCID: ocds-b5fd17-2c7ecb84-1595-41de-9b88-d8bf81cd41a5

## Description

Review of Updated Source Protection Zones \(SPZs\) with correction of model base across its southern boundary\. Contract awarded by Defra

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/f35b2285-44ad-46d8-af87-541274be79f6-848386)