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    09058: Mayfield main drain sub-catchment water-quality improvement plan, including foundational activities

    Landholders in the Mayfield main drain sub-catchment assessing the condition of a waterway on their farm. Courtesy Kim Wilson, Peel–Harvey Catchment Council
    Landholders in the Mayfield main drain sub-catchment assessing the condition of a waterway on their farm. Courtesy Kim Wilson, Peel–Harvey Catchment Council

    Waters carried by the Mayfield drain flow through Ramsar-listed, conservation category wetlands that border the Peel-Harvey estuary before entering the estuary, which is also Ramsar-listed. The quality of water within the drain directly affects the health of the receiving wetlands and estuary.

    Tributaries of the drain arise in the Darling Scarp to the north of Waroona and within the Swan Coastal Plain. Most of the coastal plain tributaries are modified drains that flow through cattle-grazing properties.

    With the help of funding from the State NRM Program, the Peel-Harvey Catchment Council is developing a draft management plan for improving the water quality in the Mayfield main drain and sub-catchment.

    Foreshore mapping and socioeconomic surveys to study the practices of landholders will assist in the development of the plan. Workshops and information sessions will be held to build community capacity. Subsequent knowledge of catchment nutrient dynamics and land management practices will be used to limit excess nutrients, such as nitrates and phosphates, from entering the waterways.

    Investment: $ 69 869
    In-kind contribution: $ 73 135
    Delivery organisation: Peel–Harvey Catchment Council
    Project duration: July 2010 - September 2012
    Location: Mayfield main drain sub-catchment—Peel–Harvey catchment, shires of Waroona and Murray

    Major project achievements

    • Development of Water Quality Improvement Plans for 3 sub-catchments within the Peel-Harvey region.

    • Landholder engagement of 60% response lead to further assistance.

    • Workshops and field days provided findings and understanding of harnessing native wildlife to reduce nutrient flow, loss and excess.

    Lessons Learnt

    • One-to-one interaction with landholders assisted with management and mapping programs as well as a successful project.

     

    Project partners

    Peel-Harvey Catchment Council; Harvey River Restoration Taskforce; University of Western Australia; Dept. Agriculture & Food WA; Landholders; Volunteers; Coolup LCDC; SWCC; 60 stakeholders.

    More information

    Peel-Harvey Catchment Council (08) 9583 5128 or admin@peel-harvey.org.au

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