Liability when person using water cannot be identified

If water supplied tllrough a field-channel be used in an unauthorised manner, and if the person by whose act or neglect such use has occurred cannot be identified - (i) the person or all the persons on whose land such water has flowed, if sucl land has derived benefit there from, or (ii) if no land has derived benefit therefrom, the person, or all the persons chargeable in respect of the water supplied tiTrough such field-chalmel, shall be liable, or jointly liable, as the case may be, for the charges which shall be payable for such use as may be prescribed.