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2011/2012 State of the Environment Report

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2011/2012 State of the Environment Report 2011/2012 Regent Honey Eater Inverell Shire State of the Environment Report 1 INVERELL SHIRE COUNCIL 2 Inverell Shire Council 2011/2012 State of the Environment Report Table of Contents 1 INTRODUCTION 5 1.1 Aims and Objectives 5 2 BACKGROUND 6 2.1 General 6 2.2 Climate 7 3 LAND 9 3.1 Land Quality 9 3.1.1 Landform 10 3.1.2 Geology 10 3.1.3 Soils 11 3.1.4 Soil Erosion 12 3.1.5 Contaminated Land 14 3.1.6 Bushfires 15 3.1.7 Pollution Complaints 16 3.1.8 Soil Quality Concerns 17 3.1.8.A Salinity 17 3.1.8.B Sodicity 18 3.1.8.C Acid Soils 19 3.1.9 Noxious Weeds 20 3.1.10 On-site Sewage Management 22 3.1.11 Department of Environment & Climate Change Licenses 22 3.2 Land Use & Management 23 5.1.1 Approvals 23 5.1.2 Land Use 24 5.1.3 Environmentally Sensitive Land 30 5.1.4 Floodplain Management 34 3.3 Border Rivers-Gwydir Catchment Management Authority (CMA) 35 4 AIR 37 4.1 Air Quality 37 4.2 Air Borne Disease’s 37 4.3 Dust 37 4.4 Odour 38 5 WATER 38 5.1 Water Quality 38 5.2 Urban Runoff 40 5.3 Groundwater 40 5.4 Local Government Border Rivers Project 41 5.5 Surface Water and Groundwater Salinity 41 5.6 Water Supply and Treatment 41 5.7 Copeton Dam 42 6 BIODIVERSITY 43 6.1 Fish Species 43 6.1.1 Endangered Fish Species 43 3 Inverell Shire Council 2011/2012 State of the Environment Report 6.1.2 Endangered Fish Populations. 44 6.1.3 Vulnerable Fish Species. 45 6.1.4 Endangered aquatic ecological communities. 46 6.1.5 Key threatening processes that occur in Inverell LGA. 46 6.1.6 Significant fish habitats that occur in Inverell LGA. 47 6.1.7 Number of Potential road crossing barriers to Fish. 47 6.1.8 Council’s responsibilities under Parts 7 & 7A of the Fisheries Management Act 48 6.2 The Threatened Species Priorities Action Statement (PAS) 48 6.2.1 High Priority Actions 49 6.2.2 Medium Priority Actions 56 6.2.3 Low Priority Actions 62 6.2.4 Recovery strategies 64 6.2.5 Threat abatement strategies 71 6.2.6 Distribution of threatened species, populations and ecological communities 72 6.2.7 Vertebrate pests 73 6.3 Extent and degree of change to native vegetation 74 6.3.1 Vegetation Types – range and distribution 74 6.3.2 Percentage of woody and cleared land 75 6.3.3 Status of public and private land 76 7 WASTE 78 7.1 Landfill Wastes 78 7.2 Hazardous and Toxic Chemicals 79 7.3 Recycling 79 7.4 Sewage Treatment 80 8 ENERGY SUSTAINABILITY 80 9 NOISE 81 9.1 Community Noise 81 9.2 Industrial Noise 81 10 HERITAGE 82 10.1 Aboriginal Heritage 82 10.2 Aboriginal Sites in the Shire 82 10.3 Non Aboriginal Heritage 83 4 Inverell Shire Council 2011/2012 State of the Environment Report 1 INTRODUCTION This State of the Environment Report is prepared in accordance with the provisions of the Local Government Act 1993 & Local Government (General) Regulation 1993, which requires Council to report as to the state of the environment in the area, and in particular in relation to the following environmental sectors: LAND AIR WATER BIODIVERSITY WASTE ENERGY SUSTAINABILITY NOISE ABORIGINAL HERITAGE NON ABORIGINAL HERITAGE State of the Environment reporting is a key mechanism for assessing progress towards Ecological Sustainable Development (ESD). ESD is defined as using, conserving and enhancing the community’s resources so that ecological processes, on which life depends, are maintained and the total quality of life, now and in the future, can be increased. The key principles of ESD are the precautionary principle, inter – generational equality, ecological integrity (biodiversity conservation) and economic considerations. The National Strategy for ESD was endorsed in 1992 by all Australian Governments and the Australian Local Government Association. State of the Environment Reporting incorporates not only information collated at a Local Government level, but also by other tiers of Government. The information gathered is designed to provide data to assist the public, three tiers of Government and others in the public sector in their decision-making processes. The State of the Environment Report is a dynamic document and will change and evolve as environmental issues, large or small, are resolved and other issues arise. As Council is acting for the community the general public have a role to play in identifying issues that affect the environment. The public will also be involved in the formulation of policies and plans that will play a role in rectifying or preventing damage to the environment now and in the future. Much of the information contained in this report has been provided by or obtained from other sources. Council can accept no responsibility for the accuracy of such information. 1.1 Aims and Objectives The aims and objectives of the Inverell Shire Council’s State of the Environment Reporting include: - (a) To provide comprehensive information on the current state of the environment within the Shire. This reporting year covers the period 1 July 2011 to 30 June 2012. (b) To provide information to help government departments and the community to gain a comprehensive picture of the local environment and to assist in decision making, education and identifying future needs. 5 Inverell Shire Council 2011/2012 State of the Environment Report (c) To ensure that the environment is protected and enhanced, facilitating a healthy and safe lifestyle for all, and to promote biodiversity. This aim however must be achieved while ensuring an equitable balance between the environment and social and economic development. (d) To provide the necessary foundation for strategic environmental planning, and the development of environmental rehabilitation, restoration and protection initiatives. While the above aims are long term, the short-term objectives of this and future reports are to identify environmental issues, to identify relevant information that can be retrieved easily and to identify gaps in the information that will require further research. This information can then link into Council’s Management Plan and budgeting process The information gaps should be filled over subsequent years so that over time an adequate reference and database can be compiled. This report and subsequent reports will highlight progress towards goals set in previous State of the Environment Reports and set goals for the future where necessary. 2 BACKGROUND 2.1 General The Inverell Shire is located on the North West Slopes and New England Tablelands in Northern NSW. It extends from the Queensland NSW Border down to Copeton Dam and Maybole in the south. The Western boundary passes near Koloona and Coolatai and the eastern boundary crosses east of Swan Vale between Inverell and Glen Innes. The Shire covers an area of 8623 km² and includes the towns of Inverell and Ashford and Villages of Delungra, Yetman, Gilgai, Bonshaw and Graman. As per the 2011 Census there were 16,075 persons usually resident in Inverell Local Government Area (LGA): 49.1% were males and 50.9% were females. Of the total population, 6.6% were Indigenous persons, compared with 2.5% Indigenous persons in Australia. The population figure for the Inverell LGA increased 0.71% between the 1996 Census and the 2001 Census, with the current population figure having increased 2.05% from the 2001 Census. Below is a graph which shows the population numbers from 1996, demonstrating a significant and consistent growth rate. All figures given are provided from the ABS. Figure 1 - Inverell LGA Population Numbers 1996-2011 6 Inverell Shire Council 2011/2012 State of the Environment Report 2.2 Climate Inverell is located in the temperate to cool temperate climate zone of NSW, which is characterised by warm summers, with uniform rainfall generally occurring in summer. Based on data from 1995 – 2012 (Sourced from http://www.bom.gov.au/climate/averages/tables/cw_056242.shtml) the monthly mean maximum temperature averaged 16.3oC in July to 30.4oC in January. Mean minimum temperatures vary from -0.3oC in July to 15oC in January. Average rainfall recorded over the past 17 years is 793.8 mm with the highest rain falling in November and December. Mean Temperature (oC) Mean Mean Mean rainfall Mean number of days of rain ≥ 1 Month Maximum Minimum (mm) mm January 30.4 15 89.3 7.7 February 29.9 14.9 91.8 7.5 March 28.1 11.7 66.1 4.8 April 24.6 7.2 34.5 4.2 May 20.3 3.1 36.2 4.1 June 17.1 0.9 45.4 5.2 July 16.3 ‐0.3 45.1 5.4 August 18.4 0.2 34.8 4.5 September 21.7 4.1 54.7 5.6 October 24.5 8 72.2 6.8 November 26.6 11.5 113.7 9.4 December 28.5 13.6 118.4 9.8 Table 1 - Meteorological information for Inverell Shire 1995-2012 (Source: http://www.bom.gov.au/climate/averages/tables/cw_056242.shtml) The Inverell Shire has been affected by the latest drought along with the majority of Australia. Fortunately, in July 2012 100% of the State was considered to be of Satisfactory Agricultural Conditions. Map 1 - Drought Map for NSW – June 2012 The Bureau of Meteorology categorises the two rainfall deficiencies as: 7 Inverell Shire Council 2011/2012 State of the Environment Report A severe rainfall deficiency – exists in a district when rainfall for three months or more is in the lowest 5 % of records (Graph 1 – orange part) A serious deficiency lies in the next lowest 5 % i.e.
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