Affinity Water Ltd has applied to the Environment Agency to vary an existing abstraction licence to mitigate the potential construction of the HS2 railway line by High Speed Two (HS2) Ltd.
The application is to vary an existing licence which authorises the abstraction of groundwater from sites near Batchworth, West Hyde and Blackford
Affinity Water has applied for an extension to the period it can abstract 32,120,000 cubic metres per year from 31 March 2020 to 31 March 2025, after which the annual abstraction rate will reduce to 29,200,000 cubic metres per year. The limit applies to the combined abstraction at the three sites listed above and six other sites which are not affected by the proposal.
The water company has also applied for an increase in the peak daily abstraction rate at the Batchworth site from 20,457 cubic metre per day to 28,000 cubic metres per day and at the West Hyde site from 20,457 cubic metres per day to 22,457 cubic metres per day, effective for 30 months.
The licensed annual volume of water will not increase as a result of this -the increase in peak daily abstraction rates will only commence in the event that the Blackford site, which allows abstraction at a rate of 20,000 cubic metres per day, and/or other sites are affected by turbidity arising from construction of HS2 and are experiencing full or partial outage.
Affinity Water said the water abstracted is for the purpose of public water supply and the variation will contribute to maintaining resilience of supply during episodes of peak demand.
The proposal is not intended to enable the water company to supply High Speed Two Ltd with construction water.
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