The restriction on abstraction shall not apply to any abstraction of water from a source of supply in the course of, or resulting from, any operations for purposes of land drainage.
The restriction on abstraction shall not apply to any abstraction of water from inland waters within the district of an internal drainage board if—
The restriction on abstraction shall not apply to any abstraction of water from a source of supply in so far as the abstraction (where it does not fall within subsection (1) or (1A) above) is an emergency abstraction and the person abstracting the water complies with subsection (2B) below.
An abstraction of water is an emergency abstraction if, in the opinion of the abstractor, an emergency has arisen which makes the abstraction necessary to prevent immediate danger of interference with any mining, quarrying, engineering, building or other operations (whether underground or on the surface) or, in relation to such operations, to prevent an immediate risk—
In the case of any emergency abstraction, the person abstracting the water shall before the end of the period of five days beginning with the date on which the abstraction started give notice to the appropriate agency of—
The appropriate agency may give notice to the person referred to in subsection (2B) above that in the appropriate agency's opinion an emergency had not arisen, or that the abstraction is not, or is no longer, necessary for any of the reasons set out in subsection (2A) above; and, if the appropriate agency does so, the restriction on abstraction shall apply to the abstraction from the time when the notice is served (and, if applicable, the restriction imposed by section 24(2) above shall apply accordingly).
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In the case of any abstraction of water from underground strata which falls within subsection (1) or (2) above, the restriction imposed by section 24(2) above shall not apply—
if the well, borehole or other work is constructed or extended, or the machinery or apparatus is installed or modified, for the purpose of abstracting the water.
In this section, "land drainage"—