10.—(1) Without limiting the other provisions of this Part, the undertaker must indemnify the Agency from all claims, demands, proceedings, costs, damages, expenses or loss that may be made or taken against, recovered from, or incurred by, the Agency by reason of—
(a)any damage to any drainage work so as to impair its efficiency for the purposes of flood defence;
(b)any damage to a fishery;
(c)any raising or lowering of the water table in land adjoining the authorised development or any sewers, drains and watercourses;
(d)any flooding or increased flooding of any such lands; or
(e)inadequate water quality in any watercourse or in any groundwater that is caused by the construction of any of the specified works or any act or omission of the undertaker, its contractors, agents or employees whilst engaged on the work.
(2) The Agency must give to the undertaker reasonable notice of any such claim or demand, and no settlement or compromise may be made without the agreement of the undertaker, which agreement must not be unreasonably withheld or delayed.