The Hawkesbury River

The Hawksebury River

Estuary Management Plans – Lower Hawkesbury

Berowra Creek Estuary Management Plan

• Continued implementation of the plan
• Funding obtained to assess the effectiveness of the plan and to rewrite the plan for the next 5 years

Chlorophyll Monitoring Probe

• Real time chlorophyll monitoring probe deployed in Calabash Bay, Berowra Creek.
• Elevated chlorophyll levels detected in January 2006
• Algal bloom monitored in compliance with the Department of Natural Resources Regional Algal Coordinating Committee’s (RACC) procedure
• Monthly maintenance of the probe is carried out by Hornsby Council and the Department of Commerce Manly Hydraulics Laboratory (MHL)

Dusthole Bay Pollutant Device

• Maintained and cleaned throughout the year as part of the catchment remediation program

Estuaries Webpage Upgrade

• Council’s Estuaries webpage was updated early in 2006
• A new address was created to provide easy access to information on Council’s Estuary Management Program
• The webpage provides information on Estuary Management Committees, up to date information on current projects, access to reports relevant to the Estuary Management Program, links to other organisations relevant to the Estuary Management Program and general information on estuarine ecology, processes and

Lower Hawkesbury Estuary Management Plan

• Proposal prepared to develop a Lower Hawkesbury Estuary Management Plan
• It is envisaged that the development of the Plan will commence toward the end of 2006
• The plan will primarily focus on estuarine areas of the lower Hawkesbury River, Berowra Creek, Cowan Creek and Mangrove Creek.

Sediment and Antifoul Monitoring Program

• Proposal prepared to develop a sediment and antifoul monitoring program
• The program will provide information on the status of sediment contamination in the lower Hawkesbury River and identify if the use of antifoul products on vessels has impacted the estuary
• It is envisaged that the study will commence toward the end of 2006

Signage at Berowra Waters

• Approval given for the construction of a new community sign board at Dusthole Bay Carpark
• Design of the signboard underway

Waterways Review

• Council has determined appropriate zonings for waterways below the mean high water mark. This was undertaken to manage the pressure for development whilst giving due consideration to the conservation of the natural and built environment
• Review was prepared in consultation with representatives from the Brooklyn and Berowra Estuary Management Committees
• Endorsed by Council 16th November 2005. Currently Council is writing to the Department of Planning seeking the Department’s support to prepare the review as a draft LEP