HRCC 75 Year Anniversary

HRCC Celebrates 75 Years of Excellence in Weeds Management and Community Service. The Hawkesbury River County Council (HRCC) proudly announces its 75th Anniversary celebrations, commemorating a remarkable journey of service to the community since its establishment in 1948. The event will take place on Saturday 26thAugust 2023 from 10am to 12pm at 6 Walker St, … Read more

HRCC Annual Report 2021/22

HRCC have published their Annual Report for works completed in the past year. The reports summarises our activities carried out in weeds inspection, control, surveillance and education. We have also included lots of photos collected by our own field staff. You can access the report here.

NSW Handbook – Weeds and Biosecurity

Weed management has been the responsibility of local government in NSW for more than 100 years. Local control authorities (Councils or County Councils) have specific responsibilities for the regulation of weeds. Councils can fulfil these responsibilities either individually or as a collective to harness resources and capabilities. NSW DPI has developed Weeds and the Biosecurity … Read more

The Sinking of the Weedosaurous

On Sunday 8 February 2020, after over 200mm of rain in 24 hours, our Aquatic Weed Harvester “The Weedosaurous” was sunk by rapidly rising floodwaters. It was berthed at Nepean Rowing Club in Penrith, having been in action just before Xmas removing aquatic weeds from the rowing course. It was berthed by two steel chains … Read more

Opuntioid cacti workshop

Earlier this month, 44 people representing 22 different government and non-government organisations from across the Greater Sydney region met at the Elizabeth Macarthur Agricultural Institute in south-west Sydney to learn how to identify and manage Opuntioid cacti. Learn more about these species and the workshop content here: Opuntioid cacti article  

New Weed Incursion reports

New weed incursions occur when weed species not previously recorded in a region or a part of the region are detected. New weed incursions should be managed in accordance with the New Weed Incursion Plan. Weeds that present a significant risk to our region are reported to the NSW Department of Primary Industries, the Greater Sydney Regional Weed Committee, the sub-regional weed committees and neighbouring regions. The following New Weed Incursion Reports contain information about the new weed incursions that have been reported since July 2017.

New Weed Incursion Report- Groundsel Bush (Baccharis halimifolia) at Somersby

New Weed Incursion Report- Christmas Candlesticks (Leonotis nepetifolia) at Woy Woy

New Weed Incursion report- Giant Devils Fig (Solanum chrysotrichum) at Wamberal and Oxford Falls

New Weed Incursion Report – Water Poppy (Hydrocleys nymphoides) at North Balgowlah

New Weed Incursion Report – Chameleon Plant (Houttuynia cordata) at North Rocks


The Cost of Weeds In Australia

This recent Centre for Invasive Species report examines the economic costs of weeds to Australia. The startling conclusion is that it is an overall impost of $5 billion annually (that’s almost $14 million a day!). Of which, 90% of this cost is borne by agriculture, representing a tremendous burden on that sector. Ross McCloud’s report … Read more

Aquatic Weed Control Program – Summer 2018/19

Hawkesbury River County Council will be conducting aquatic weed control along the Hawkesbury/Nepean River from Wallacia – downstream to Wisemans ferry and including the tributaries of; Cattai Creek, South Creek, Rickabys Creek and Redbank Creek. Weed control will be via spot spraying of registered herbicides, approved for use in aquatic situations by registration or by … Read more