Noxious Weeds

A noxious weed is any weed that is declared noxious under the Noxious Weeds Act 1993.

To be declared, a weed must have a detrimental effect or cause serious economic loss to agriculture or to the environment. A weed meeting the above criteria will only be declared noxious if there are reasonable and enforceable means of controlling the weed.

Weeds may be declared noxious on a local area basis or on a whole State basis. Weeds may be declared or deleted from declaration, and weed categories may Noxious weeds are categorised as follows:

WI WEEDS
These are the most significant weeds.
The presence of these weeds on land (or in water) must be notified to the Local Control Authority, and the weed must be fully and continuously suppressed and destroyed.

W2 WEEDS
These weeds must be fully and continuously suppressed and destroyed.

W3 WEEDS
Must be prevented from spreading and its numbers and distribution reduced.

W4WEEDS
The action specified in the declaration must be in respect of these weeds.

OBLIGATIONS AND PENALTIES
The law requires that the landholders and /or occupiers of land must control noxious weeds on land under their control. Occupiers may also be responsible for the control of noxious weeds in a river or other watercourse adjoining their property, even though the boundary may be on top of the river bank. This requirement may also apply to noxious weeds on adjoining unfenced road.

Local Weed Control Authorities: are either the Council of the Local Government area or a County Council if noxious weed control responsibility has been conferred on it.

Local Weed Control Authorities: aim to cooperate with landholders and occupiers to achieve acceptable standards of weed control depending on the weed category and the significance of that weed to that particular area.

Local Weed Control Authorities: can resort to legal action and the imposition of fines if occupiers avoid their responsibilities under the Act.

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