# Hertfordshire Chalk Groundwater Model Update & GW Emergence

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: Defra Network eTendering Portal
- Contract winner: [Mott MacDonald Ltd](/contract-winners/mott-macdonald/public-sector-contract-awards)
- Award value: £90,937
- Award date: 1 October 2021
- Published: 8 October 2021
- Contract start: 27 September 2021
- Contract end: 30 September 2022
- Stage: awarded
- Procurement category: services
- Notice ID: 886dc563-b17b-457a-ae62-8dd93c8ff83c-475158
- OCID: ocds-b5fd17-64fcaf3f-8646-455e-9cc4-0eb4b95b1b4b

## Description

The Hertfordshire Chalk Groundwater Model \(HCGM\) represents 4060km2 of the Chalk aquifer to the north-east of London, including the county of Hertfordshire, parts of Buckinghamshire, Bedfordshire, Oxfordshire, Essex, Cambridgeshire, and London\. The model represents a number of Chalk streams that are situated in the Wye, Colne and Lee catchments\. This phase of the programme of work will extend the current model period and enhance or change existing modelling datasets\.

## Related contract awards

- [National EA Estates Professional Surveying Framework](/contracts/ocds-b5fd17-9191aaea-5356-4bdc-a3e1-af6b3670e583): Defra Network eTendering Portal
- [Parliamentary Monitoring Service](/contracts/ocds-b5fd17-a6ea66bd-b313-46f9-a02a-2c5007aa1856): Defra Network eTendering Portal
- [Provision of Geological Products](/contracts/ocds-b5fd17-8d85b0c1-45ff-4562-9d99-6009685196de): Defra Network eTendering Portal
- [SW - WSX - Bath Flood Defence Scheme - Twerton Gates Appraisal](/contracts/ocds-b5fd17-d1f7ed09-6078-49ff-b529-e068832e44d7): Environment Agency
- [PAHT - NHP Traffic and Transport Specialists](/contracts/ocds-b5fd17-1ca2ac64-6fbb-4f8e-a180-d5a72fc38950): West Hertfordshire Teaching Hospitals NHS Trust
- [Urban Traffic Management and Control System \(UTMC\)](/contracts/ocds-b5fd17-738ab9e9-63ab-4ada-a264-30957b8c8de0): National Highways Limited

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/886dc563-b17b-457a-ae62-8dd93c8ff83c-475158)