# The South East Water Limited (River Ouse and Shell Brook) Drought Order 2025, Article 4: Modification of authorisation to abstract water from the River Ouse at Barcombe


While this Order is in force, Schedule 2 to the Licence is modified as follows—
(a) subject to paragraph (b), for the table at point 1 (Of the Natural Flow) in the section headed “MAXIMUM QUANTITY OF WATER TO BE ABSTRACTED” substitute the following table:
Condition
Quantity Authorised Daily
If Natural Flow < 15,000m3 per day
Nil
If Natural Flow > 15,000m3 but < 40,000m3 per day
The amount by which Natural Flow exceeds 15,000m3 per day
If Natural Flow > 40,000m3 but < 184,888m3 per day
25,000m3 per day +45% of the amount by which Natural Flow exceeds 40,000m3 per day, up to a maximum of 90,200m3 per day
If Natural Flow > 184,888m3 per day
90,200m3 per day
(b) If the level of the Ardingly Reservoir falls below 45.7 metres Above Ordnance Datum, equating to a useable storage of less than 500 megalitres, for the table at point 1 (Of the Natural Flow) in the section headed “MAXIMUM QUANTITY OF WATER TO BE ABSTRACTED” substitute the following table:
Condition
Quantity Authorised Daily
If Natural Flow < 10,000m3 per day
Nil
If Natural Flow > 10,000m3 but < 40,000m3 per day
The amount by which Natural Flow exceeds 10,000m3 per day
If Natural Flow > 40,000m3 but < 173,777m3 per day
30,000m3 per day +45% of the amount by which Natural Flow exceeds 40,000m3 per day, up to a maximum of 90,200m3 per day
If Natural Flow > 173,777m3 per day
90,200m3 per day

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Source: https://www.legislation.gov.uk/uksi/2025/1266/article/4 (the official version)
Page: https://openlegislation.uk/south-east-water-limited-river-ouse-and-shell-brook-drought-order-2025/article-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.