The Coal Authority has gone out to tender with a multi-million pound contract for operations and maintenance of mine water treatment schemes and legacy assets. The existing O&M service is currently provided by Severn Trent Services Ltd - the contract was awarded in 2014 and will expire on 30th June 2026.

The Coal Authority (CA) manage over 80 mine water treatment schemes across Britain, handling and treating over 112 billion litres of water every year. The schemes include passive, gravity fed schemes, pumped schemes and active, chemically dosed solutions and pump stations which have no treatment requirements across England, Scotland and Wales.
The CA currently have the capacity to treat 220 billion litres of mine water every year. Treating mine water has directly protected and improved over 350km of rivers, protects several important regional aquifers, enhances biodiversity and provides local amenity land.
Treating the mine water has prevented nearly 4,000 tonnes per year of iron solids and other pollutants entering watercourses or aquifers.
The contract is being tendered in the following Lots:
Lot 1 - South
Lot 2 - North
Lot 3 - National
Initial contract term is eight years starting 1 July 2026 with an end date of 30 June 2034.
Time limit for receipt of tenders or requests to participate is 8 August 2024 – click here to access the tender documentation.
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