# The Water Resources (Control of Agricultural Pollution) (Wales) Regulations 2021, Paragraph 9

Extent: E+W

If the walls of the slurry storage tank are not impermeable, the base of the tank must—
(a) extend beyond the walls;
(b) be provided with channels designed and constructed so as to collect any slurry that escapes from the tank;
(c) have adequate provision for the drainage of the slurry from those channels to an effluent tank through a channel or pipe.

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Source: https://www.legislation.gov.uk/wsi/2021/77/schedule/6/paragraph/9 (the official version)
Page: https://openlegislation.uk/water-resources-control-of-agricultural-pollution-wales-regulations-2021/schedule-6/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.