OTWAYS eFORUM INFORMATION SHEET GREAT OTWAY NATIONAL PARK AND OTWAY FOREST PARK DRAFT MANAGEMENT PLAN (Incorporating the DRAFT RECREATION AND TOURISM ACCESS PLAN and the DRAFT HERITAGE ACTION PLAN) Water Supply Catchments Geelong to Warrnambool. Many water storages, Excerpt from the Draft Management diversion facilities and buffer areas are located in Plan pp.68-70 the planning area. Wannon Region Water and Barwon Water harvest water from catchments in 8.4 Designated Water Supply the planning area in accordance with the Water Act 1989 (Vic.). Catchment Areas Wannon Region Water provides water to towns Aims and domestic users to the north and west of the • Minimise impacts on water quality and yield planning area between Lismore, Mortlake, in water supply catchment areas from Warrnambool and Peterborough. Water for this recreation, extraction and management region is drawn from a series of small weirs on activities. Arkins Creek and is supplemented by water from off-takes on the Gellibrand River. • As far as practicable, minimise the potential impacts of fire on water quality and yield. Barwon Water supplies water for the Colac and Geelong regions as well as towns along the Great Basis Ocean Road. These systems include: The Otways are the source of water for many • Geelong region and coastal towns east of and south-western Victorian communities, from including Anglesea — collected from West Otways eForum Information Sheet: Water Supply Catchments Barwon Catchment and stored in West Water production is generally compatible with Barwon Reservoir, and supplemented from conservation and recreation objectives; however the East Barwon River, Pennyroyal and water supply objectives are of particular Mathews Creek catchments. In future, importance in the designated water supply Dewings Creek will also provide water into catchments (table 1). this system The designated water supply catchments in the • Colac region — West Gellibrand Reservoir Great Otway National Park are managed through and Olangolah Reservoir formal agreements between DSE and the water corporations prepared under section 32L of the • Aireys Inlet — collected from the Painkalac National Parks Act. These areas are managed as a Creek catchment and stored in the Painkalac part of the park, acknowledging that the Reservoir paramount consideration is to protect the areas • Gellibrand — collected from Lardners Creek and the water resources and quality. • Apollo Bay and Skenes Creek — collected The designated catchment agreements prescribe from the West Barham catchment and stored requirements for certain actions and further in Marengo Service Basin planning to be undertaken to protect the resource. They also provide that decisions or actions • Lorne — collected from the St Georges River undertaken in a designated water supply catchment and stored in Allen Reservoir. catchment by DSE, Parks Victoria and the water Within the planning area there are a number of corporations do not adversely affect national park potable water supply catchments, however there values or water resource values. There is are five areas of particular importance declared as provision for excluding or restricting recreational designated water supply catchments under the activities in the designated areas. National Parks Act (figure 1). The protection of Existing recreation activities permitted in Great designated water supply catchments will be given Otway National Park may be allowed in paramount consideration in accordance with designated water supply catchments provided section 32H of the National Parks Act. Designated water resource protection objectives are met. water supply catchments include: However, new developments such as walking • Arkins Creek Designated Water Supply tracks will be avoided in designated water supply Catchment (1202 ha) — in Great Otway catchments. Visitor contact with water storages is National Park near Lavers Hill. illegal and can compromise water quality standards. Erosion associated with roads, stream • West Gellibrand and Olangolah Designated crossings and forest harvesting could cause Water Supply Catchments (2313 ha) — in turbidity and localised sedimentation. Wildfire Great Otway National Park above the West and fire management activities could seriously Gellibrand Dam and the Olangolah reservoirs. affect water quality and significantly reduce • West Barwon Designated Water Supply stream flow (section 4.4). Catchment (4683 ha) — in Great Otway The designated catchment agreements also require National Park above the West Barwon that management plans, fire management plans Reservoir. and works programs be prepared for the • St Georges Designated Water Supply designated water supply catchment areas. Catchment (1478 ha) — in Great Otway Demand on water supply systems is increasing, National Park above Allen Reservoir. and due to climatic change, the sustainable yield from existing systems is declining. Additional • Painkalac Creek Designated Water Supply water harvesting from the parks could further Catchment (3489 ha) — in Great Otway reduce stream flows, impacting on important National Park above Painkalac Reservoir. biodiversity values (sections 4.5, 4.6). Additional VEAC made specific recommendations in relation water cannot be extracted from these systems to designated water supply catchments, and these without a thorough assessment of environmental were largely accepted by the government (VEAC impacts, in accordance with the Water Act and 2004; Government of Victoria 2005). Several other State and Commonwealth legislation. areas previously owned or managed by water Barwon Water and Wannon Region Water are authorities are now included in the parks. investigating a series of future water supply options, including educating users to reduce demand. This document contains excerpts from Great Otway National Park and Otway Forest Park Draft Management Plan (Parks Victoria and DSE 2007) for use in Otways eForums only (19/05/2008 – 25/05/2008). 2 Otways eForum Information Sheet: Water Supply Catchments Strategies for management of designated water supply catchments • Park management authorities will work in partnership with water corporations to ensure that water quality and yield are not compromised by other park activities, and that natural and cultural values are not compromised by water supply activities. Proposed additional strategies for management of designated water supply catchments • Designated Catchment Proposal 1 – Unless alternative arrangements are agreed by both parties, management plans prepared for the designated water supply catchments will be in accordance with the approved management plan for Great Otway National Park and Otway Forest Park. • Designated Catchment Proposal 2 – Unless alternative arrangements are agreed by both parties, fire management plans prepared for the designated water supply catchment areas will be in accordance with approved fire management plans which apply to the Great Otway National Park and Otway Forest Park. Actions • In conjunction with Barwon Water and Wannon Water, implement the agreements prepared under section 32L of the National Parks Act for the management of designated water supply catchment areas in the Great Otway National Park. Review the agreements as appropriate. • Work with water corporations to assist in the preparation of designated water supply catchment management plans under the terms of the agreements. • Prepare works programs as required by the water agreements. • Prepare a fire protection plan for the designated water supply catchments. This document contains excerpts from Great Otway National Park and Otway Forest Park Draft Management Plan (Parks Victoria and DSE 2007) for use in Otways eForums only (19/05/2008 – 25/05/2008). 3
"Water Supply Catchments"