Subject to the following provisions of this section, a water undertaker may—
disconnect a service pipe which for the purposes of providing a supply of water to any premises is connected with any water main of that undertaker; or
otherwise cut off a supply of water to any premises,
if notice specifying the time after which a supply of water to those premises will no longer be required has been served on the undertaker by a consumer and that time has passed.
No person shall be liable to a water undertaker for any expenses incurred by the undertaker in exercising the power conferred on the undertaker by this section.