---
title: "Oceanographic and Water Quality Monitoring Mersey Estuary"
ocid: "ocds-b5fd17-893ec808-454b-4f0a-beab-7dc8b3fc86c5"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-893ec808-454b-4f0a-beab-7dc8b3fc86c5"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-893ec808-454b-4f0a-beab-7dc8b3fc86c5.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-893ec808-454b-4f0a-beab-7dc8b3fc86c5.json"
source: "Contracts Finder"
current_stage: "Tender"
buyer: "LIVERPOOL CITY REGION COMBINED AUTHORITY"
published: "2025-02-20"
---

# Oceanographic and Water Quality Monitoring Mersey Estuary

Buyer: LIVERPOOL CITY REGION COMBINED AUTHORITY  
Current stage: Tender  
OCID: ocds-b5fd17-893ec808-454b-4f0a-beab-7dc8b3fc86c5

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## Summary

Liverpool City Region Combined Authority is inviting tenders for a contract titled "Oceanographic and Water Quality Monitoring Mersey Estuary" in the technical testing, analysis, and consultancy services industry category. The project will be conducted at sites within the Mersey Estuary in the North West region of the United Kingdom. This procurement is currently in the tender stage, with key dates including the tender end date on 3rd April 2025 and the contract period starting on 25th May 2025 and concluding on 30th November 2026. The procurement method is an open procedure, and the total contract value is estimated at £1,116,000.

This tender offers substantial opportunities for businesses specialising in oceanographic survey works, passive acoustic monitoring, and water quality testing. Companies that provide engineering-related scientific and technical services, environmental engineering consultancy, and advisory and consultative engineering services would be particularly well-suited to compete. Small and Medium Enterprises (SMEs) are encouraged to participate, providing them with a significant opportunity to expand their business by engaging with a major public authority in detailed and impactful environmental monitoring projects.

## Notice

Liverpool City Region Combined Authority is seeking costed tenders for survey works to be undertaken at sites in the Mersey Estuary. Observations are required to deliver a program of oceanographic, passive acoustic and sediment and water quality monitoring. This monitoring is needed to support: - modelling of the physical oceanographic regime of the estuary and its influence on the water/sediment quality, - assessments of marine mammal species presence, abundance and habitat use in the Mersey and adjacent areas.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/870acd9d-135b-41f3-9113-596be703a362 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure (above threshold) |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 20 Feb 2025 |
| Submission deadline | 3 Apr 2025 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 24 May 2025 - 30 Nov 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £1,116,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Not specified |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | LIVERPOOL CITY REGION COMBINED AUTHORITY |
| Locality | LIVERPOOL |
| Post town | Liverpool |
| Postcode | L3 1BP |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD7 Merseyside |
| ITL 3 | TLD72 Liverpool |
| Local authority | Liverpool |
| Electoral ward | Waterfront South |
| Westminster constituency | Liverpool Riverside |
| Delivery location | TLD North West (England) |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71313000 - Environmental engineering consultancy services
- 71318000 - Advisory and consultative engineering services
- 71350000 - Engineering-related scientific and technical services
- 71600000 - Technical testing, analysis and consultancy services

## Release History

- 20 Feb 2025 at 09:23 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/870acd9d-135b-41f3-9113-596be703a362

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/870acd9d-135b-41f3-9113-596be703a362
  20th February 2025 - Opportunity notice on Contracts Finder
- https://procontract.due-north.com/Advert/Index?advertId=171c0bb2-66ef-ef11-8134-005056b64545
  Link to tender

## Notice URLs

- https://www.liverpoolcityregion-ca.gov.uk/

## 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-b5fd17-893ec808-454b-4f0a-beab-7dc8b3fc86c5. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-893ec808-454b-4f0a-beab-7dc8b3fc86c5.json.