The Illawarra District Weeds Authority (the IDWA) is a business unit of the Illawarra Shoalhaven Joint Organisation  The IDWA was formed in 1993 by Wollongong, Shellharbour and Kiama Councils to administer the Biosecurity Act 2015 and to control priority weeds within the three local government areas.

The IDWA has been a formal business unit of the ISJO since 2019 with the ISJO acting as its Manager and Secretariat. 

As a local control authority the IDWA is required under Section 41 of the NSW Pesticides Regulation 2017 to prepare and place on public exhibition a Draft Pesticides Use Notification Plan that provides a wide range of information including, but not limited to, the authority’s use of pesticides, its public notification procedures and the categories of places where pesticides are used.

A full copy of the Draft Plan may be accessed by clicking on the following link:  Draft Pesticides Notification Plan 2026-2031