Power to inspect and regulate supply.

7. Power to inspect and regulate supply. The Irrigation Officer or any person acting under the general or special order of such Irrigation Officer, may enter upon any land, building or field-channel, for the purpose of inspecting or regulating the use of water supplied or of measuring the land, irrigated thereby or chargeable with a water rate, and of doing all things necessary for the proper regulation, maintenance and management of the irrigation work from which such water is supplied.