Section 161ZB(6)
WRA 1991
Water Resources Act 1991 · United Kingdom
Without prejudice to the power of the appropriate agency to carry out those investigations, the powers conferred by subsection (4) shall only be exercisable if it appears to the appropriate agency that it is unable to secure that the necessary works or operations are carried out by exercising its powers under section 161 or 161ZA or by serving a works notice on any responsible person.
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Source: legislation.gov.uk · retrieved 2026-07-30