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Welcome to the Illawarra District Weeds Authority (IDWA) website.

This website has been designed to provide a guide to the identification and control of Priority weeds within the Illawarra region of southern New South Wales.

The Illawarra District Weeds Authority has been serving the Illawarra community since 1993. Our purpose is to administer the Biosecurity Act 2015 and control priority weeds within the three local government areas of Wollongong City, Shellharbour City and Kiama Municipal Council.

Latest News


Giant Parramatta Grass ID & Control Field Day

The IDWA are holding their Giant Parramatta Grass ID and Field Day at Tongarra on Saturday... Read more.

Pesticide Notification Plan 2018 - 2021

The IDWA Pesticides Notification Plan 2018-2021 has now *closed* for public comment.  The Pesticide Notification Plan must be... Read more.

Weed Control Policy & Management Plan

IDWA Weed Control Policy and Management Plan 2018-2023 and associated species plans are now closed for... Read more.