It shall not be necessary for any map referred to in this section to be produced or proved, and the Court may decide, on such evidence as it thinks fit, that any water race or portion of a water race is a water race within the meaning of this Act;

If the Court is satisfied that any water race or portion of a water race is or has been or is capable of being supplied with water from any source constructed by or under the control of the Council or is in fact part of a system of water races, the Court may decide that the water race or portion thereof is a water race within the meaning of this Act and is vested in the Corporation of the county as if it were shown on a map referred to in this section; and

It shall not be necessary to prove that any such water race or portion of water race was constructed by or under the authority of the Council, nor, if any such water race or portion of water race is constructed in, upon, or through any private land, that it was so constructed with the permission of the owner of the land.”