---
title: "tNCEA Wetland Monitoring Dipwell Installations - 2025/26"
ocid: "ocds-h6vhtk-04e40e"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04e40e"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04e40e.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04e40e.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "DEPARTMENT OF ENVIRONMENT, FOOD AND RURAL AFFAIRS"
published: "2025-05-06"
---

# tNCEA Wetland Monitoring Dipwell Installations - 2025/26

Buyer: DEPARTMENT OF ENVIRONMENT, FOOD AND RURAL AFFAIRS  
Current stage: Award  
OCID: ocds-h6vhtk-04e40e

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## Summary

The procurement process initiated by the Department of Environment, Food and Rural Affairs (Defra) focuses on the "tNCEA Wetland Monitoring Dipwell Installations - 2025/26". This contract pertains to groundwater pollution monitoring or control services, categorised under services in the CPV classification. Located in the UK, this project ran from April 2025 to March 2026, and the procurement has reached the contract award stage. Defra employed an open procurement method for this process, allowing for electronic submissions, with key dates including a tender period ending on 24th March 2025 and award commencement on 19th February 2025.

This tender presents significant opportunities for businesses specialising in environmental protection and monitoring services. Companies with expertise in soil surveying, and the installation and maintenance of monitoring equipment such as dip-wells, would find this contract aligned with their capabilities. Particularly, businesses that can provide high-quality technical solutions that meet the specified requirements and maintain cost-effectiveness are well-positioned to compete, given the award criteria of 70% technical quality and 30% cost. Large-scale environmental firms like Tetra Tech Limited, which successfully secured the contract, exemplify the type of business suited for such procurement opportunities. The clear definition of project objectives and criteria ensures transparency and competitive growth potential for firms in this sector.

## Notice

The contract will run from April 2025 - March 2026. The objectives of the project are to: 
* Undertake a soil survey of the selected sites, using manual tools and logging the soils to British Standard 5930.
* Set up a robust monitoring network of dip-wells and stageboards, with fencing where required.
* Ensure accurate and high-quality data collection by undertaking development of the dip-wells, installing earth anchors (where required), and undertaking elevation surveys of ground level and datum in metres above ordnance datum (mAOD).
* Ensure the installations target the correct geological strata as specified in the site monitoring plan.

### Lot Information

Lot 1

The contract will run from April 2025 - March 2026. The objectives of the project are to: 
* Undertake a soil survey of the selected sites, using manual tools and logging the soils to British Standard 5930.
* Set up a robust monitoring network of dip-wells and stageboards, with fencing where required.
* Ensure accurate and high-quality data collection by undertaking development of the dip-wells, installing earth anchors (where required), and undertaking elevation surveys of ground level and datum in metres above ordnance datum (mAOD).
* Ensure the installations target the correct geological strata as specified in the site monitoring plan.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/019066-2025 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 6 May 2025 |
| Submission deadline | 24 Mar 2025 |
| Future notice date | Not specified |
| Award date | 6 Apr 2025 |
| Contract period | 21 Apr 2025 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | £1 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DEPARTMENT OF ENVIRONMENT, FOOD AND RURAL AFFAIRS |
| Additional buyers | ENVIRONMENT AGENCY (DEFRA NETWORK ETENDERING PORTAL) |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1P 4DF |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | TETRA TECH |

## CPV Codes

### Divisions

- 90 - Sewage, refuse, cleaning and environmental services

### Codes

- 90733700 - Groundwater pollution monitoring or control services

## Release History

- 6 May 2025 at 11:27 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/019066-2025
- 19 Feb 2025 at 14:16 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/005867-2025

## Notice URLs

- http://www.tetratecheurope.com
- https://defra-family.force.com/s/Welcome
- https://defra-family.force.com/s/welcome
- https://www.gov.uk/government/organisations/department-for-environment-food-rural-affairs

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04e40e. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04e40e.json.