Civil Code (Cap. 16), article 403

403. (1) Tenements at a lower level are subject in regard to tenements at a higher level to receive such waters and material s as flow or fall naturally therefro m without the agency of man. (2) It shall not be lawful for the owner of the lower tenement t o do anything which may prevent such flow or fall. (3) Nor shall it be lawful for the owner of the higher tenement to do anything whereby the easement of the lower tenement is rendered more burdensome. Springs of water.404. Whosoever has a spring within his tenement may make use of it as he pleases, saving any right which the owner of a lowe r tenement may have acquired by title or by prescription. Water running through public road.