Hydrogeological Conceptualisation and Environmental Risk Assessment

The Coal Authority
Selective procedure
9 March 2026 to 8 March 2033

The contract involves hydrogeological conceptualisation, discharge zone assessment, and environmental risk assessment for the Inland Saline Mine Water Programme. The work requires data analysis to determine the quality, volume, and impact of mine water on aquifers and watercourses, enabling the prioritisation of treatment solutions across various programme blocks. This integrated approach ensures a single consultant manages the end-to-end assessment process to streamline delivery and improve value for money.

Open the official notice

Awarded value: £8.3m; As published
Published: 5 March 2026; Contracts Finder
Awarded: 3 March 2026; AECOM
Contract length: 84 months; Ends 8 March 2033

What the buyer is asking for

Provision of specialist hydrogeological consultancy services, including environmental risk assessment and conceptualisation for complex mine water management and remediation programmes.

Category: Environmental impact assessment other than for construction

Lifecycle

Publishedon Contracts Finder
5 March 2026
Contract awardedto AECOM
3 March 2026
Contract starts
9 March 2026
Contract ends
8 March 2033

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The buyer

Type: Other public body
Diffuse pollution contracts, 24 months: 2
Open diffuse pollution tenders: 0
Typical diffuse pollution contract: £4.3m

See everything The Coal Authority buys →

How it compares

108× the typical diffuse pollution contract (£77k).

Cite this contract

Link: https://bidskim.com/tender/145861/hydrogeological-conceptualisation-and-environmental-risk-assessment
Buyer reference: CA18/5788
Open contracting ID: ocds-b5fd17-75173591-af50-46f0-883e-aaabcc4baca5
Source: Contracts Finder
Last checked: 12 October 2026

The Coal Authority. Hydrogeological Conceptualisation and Environmental Risk Assessment. Contract award, 5 March 2026. BidSkim, https://bidskim.com/tender/145861/hydrogeological-conceptualisation-and-environmental-risk-assessment (accessed 12 October 2026).