The South West Sydney Regional Weeds Committee (SWSRWC) formed in 1996 to promote a cooperative and coordinated regional approach to weed management in the region.

The South West Sydney region stretches from Sutherland in the South, West to Wollondilly and north to Fairfield and Bankstown Local Government Areas (LGA's). Map of LGA's in the South West Sydney region.

The South West Sydney region covers approximately 178 000 Hectares and contains a wide range of land use including National Parks, rural and urban land of differing population densities.

There are 6 catchments in the Region:
•  George's River
•  Hacking
•  Hawkesbury-Nepean
•  South Creek
•  Wollondilly
•  Upper Nepean

The committee meets quarterly on the first Wednesday of February, May, August and November.

The following Regional Weed Plans apply to the South West Sydney Region:

Alligator Weed
Ludwigia
Salvinia
Water Hyacinth
Bitou Bush
Privet
Asthma Weed
Pampas Grass
Green Cestrum
Grasses

Various Regional Weed Projects are being undertaken in the South West Sydney Region to implement these plans.