A water handling equipment comprising a touch detection device, the touch detection device comprising: a sensing portion for sensing contact with a target object; a vibration excitation element attached to the sensing portion; and a drive circuit for exciting a vibration in the sensing portion by intermittently applying an AC voltage at a predetermined frequency to the vibration excitation element; wherein the touch detection device further comprising: a contact determination circuit for determining whether the target object has contacted the sensing portion based on vibration of the sensing portion after application of the AC voltage to the vibration excitation element by the drive circuit, characterised in that the contact determination circuit comprising a contact determination confirming circuit, which is configured to, after the determination has first been made by the contact determination circuit that the target object has made contact, perform a contact determination confirming operation to further reduce the possibility of false sensing, and once the contact by the target object has first been determined by the contact determination circuit, to perform the contact determination confirming operation in which the AC voltage at a confirming frequency different from the normal frequency of the AC voltage is applied, and the contact determination confirming circuit is further configured to confirm the determination of contact with the sensing portion when the contact of the target object is also determined by the contact determination circuit by applying the AC voltage at the confirming frequency. a sensing portion for sensing contact with a target object; a vibration excitation element attached to the sensing portion; and a drive circuit for exciting a vibration in the sensing portion by intermittently applying an AC voltage at a predetermined frequency to the vibration excitation element; wherein the touch detection device further comprising: a contact determination circuit for determining whether the target object has contacted the sensing portion based on vibration of the sensing portion after application of the AC voltage to the vibration excitation element by the drive circuit, characterised in that the contact determination circuit comprising a contact determination confirming circuit, which is configured to, after the determination has first been made by the contact determination circuit that the target object has made contact, perform a contact determination confirming operation to further reduce the possibility of false sensing, and once the contact by the target object has first been determined by the contact determination circuit, to perform the contact determination confirming operation in which the AC voltage at a confirming frequency different from the normal frequency of the AC voltage is applied, and the contact determination confirming circuit is further configured to confirm the determination of contact with the sensing portion when the contact of the target object is also determined by the contact determination circuit by applying the AC voltage at the confirming frequency. a contact determination circuit for determining whether the target object has contacted the sensing portion based on vibration of the sensing portion after application of the AC voltage to the vibration excitation element by the drive circuit, characterised in that the contact determination circuit comprising a contact determination confirming circuit, which is configured to, after the determination has first been made by the contact determination circuit that the target object has made contact, perform a contact determination confirming operation to further reduce the possibility of false sensing, and once the contact by the target object has first been determined by the contact determination circuit, to perform the contact determination confirming operation in which the AC voltage at a confirming frequency different from the normal frequency of the AC voltage is applied, and the contact determination confirming circuit is further configured to confirm the determination of contact with the sensing portion when the contact of the target object is also determined by the contact determination circuit by applying the AC voltage at the confirming frequency.