90GOVERNMENT GAZETTE, WA 9 January 2018

90 GOVERNMENT GAZETTE, WA 9 January 2018 (b) where there is a water tank, well, cistern, vat or barrel, shall— (i) keep it protected with a mosquito-proof cover; and (ii) screen all openings, other than the delivery exit, with wire mesh having openings no larger than 1.2 millimetres. 81. Measures to be taken by Occupier An occupier of premises where water is kept in a birdbath, animal drinking vessel or other receptacle shall— (a) frequently change the water; and (b) keep the water clean and free from vegetable matter and slime. 82. Removal of Undergrowth or Vegetation (1) Where it appears to the Manager Health and Compliance that there is, on any premises, undergrowth or vegetation likely to harbour mosquitoes, he or she may direct, orally or in writing, the owner or occupier of the premises to cut down and remove within a specified time the undergrowth or vegetation. (2) An owner or occupier of premises shall comply with a direction from, and within the time allowed by, the Manager Health and Compliance under this Division. 83. Filling in Excavations etc. Unless written permission to the contrary is obtained from the local government, a person who cuts turf or removes soil or other material from any land shall forthwith ensure that each excavation is filled in with clean sound material and made level with the surrounding surface. 84. Drains, Channels and Septic Tanks An owner or occupier of land shall— (a) cause all drains and channels in or on the land to be kept in good order and free from obstruction; and (b) where a septic tank is installed on the land— (i) apply an approved larvicide according to the directions on the container, into the septic tank system, whenever directed to do so by an Environmental Health Officer; (ii) provide, and keep in sound condition at all times, wire mesh having openings no larger than 1.2 millimetres covering any inlet vent to the tank. 85. Drainage of Land An owner or occupier of land upon which there is water liable to become a breeding place for mosquitoes shall, when required by the local government, effectively drain the land and, for that purpose, shall— (a) make or provide drains on the land; (b) remove all irregularities in the surface of the land; (c) if necessary, adjust the surface of the land or raise the level of the surface in such a manner that— (i) the water on the land may flow into the drains without obstruction; and (ii) no water shall remain on any portion of the land other than the drains; and (d) keep all drains in good order and free from obstruction. 86. Officer may give Notice directing measures to be Taken Where, in the opinion of an Environmental Health Officer mosquitoes are breeding or are liable to breed on any premises, the Officer may give to the owner or occupier of the premises a notice in writing directing him or her to take, within the time specified in the notice, such measures as in the opinion of the Officer are necessary to— (a) control the prevalence; (b) effect the eradication; or (c) effectively prevent the breeding of mosquitoes. 87. Local Government may Execute Work and Recover Costs (a) a person is required under this division or directed by a notice given under clause 86, to the local government may execute the work and recover from that person the cost of executing the work, in addition to any penalty for which that person may be liable under this local law.