Waterway Health Strategy Background Report

Waterway Health Strategy Background Report

2020

Ipswich.qld.gov.au 2 CONTENTS

A. BACKGROUND AND CONTEXT...... 4

PURPOSE AND USE...... 4 STRATEGY DEVELOPMENT...... 6 LEGISLATIVE AND PLANNING FRAMEWORK...... 7

B. IPSWICH WATERWAYS AND WETLANDS...... 10

TYPES AND CLASSIFICATION...... 10 WATERWAY AND WETLAND MANAGEMENT...... 15

C. WATERWAY MANAGEMENT ACTION THEMES...... 18

MANAGEMENT THEME 1 – CHANNEL...... 20 MANAGEMENT THEME 2 – RIPARIAN CORRIDOR...... 24 MANAGEMENT THEME 3 – FLOODPLAIN AND WETLANDS...... 30 MANAGEMENT THEME 4 – COMMUNITY ENGAGEMENT...... 34

D. SUB-CATCHMENT SUMMARIES – CURRENT CONDITION...... 38

BREMER RIVER CATCHMENT...... 39 MID BRISBANE RIVER CATCHMENT...... 52 LOWER BRISBANE RIVER CATCHMENT...... 55 LOCKYER CREEK CATCHMENT...... 61

APPENDICES...... 63

APPENDIX A – WQOS AND EVS FOR IPSWICH WATERWAYS...... 64 APPENDIX B – KEY NATIONAL AND STATE LEGISLATION RELEVANT TO WATERWAY HEALTH MANAGEMENT...... 69 APPENDIX C – REFERENCES...... 71

Brisbane River, Goodna by K Petie Ipswich Enviroplan Photo Competition 3 PURPOSE AND USE

The Waterway Health Strategy Background Report describes the condition and vision for the waterways within the Ipswich Local Government Area (LGA).

The intent of this report is to provide current technical background information on the values and threats facing Ipswich waterways which has assisted in the development of the Waterway Health Strategy 2020. The report is set out in four main parts:

PART A BACKGROUND AND CONTEXT

PART B IPSWICH WATERWAYS AND WETLANDS

PART C WATERWAY MANAGEMENT ACTION THEMES

PART D SUB-CATCHMENT SUMMARIES – CURRENT CONDITION

A number of strategies, policies and technical reports which have been produced by council and others link to the Waterway Health Strategy and will assist in achieving its strategic priorities (See Figure 1).

Splashdown by R Turner 4 Ipswich Enviroplan Photo Competition FIGURE 1 – Framework bringing together the internal and external elements of waterway health management to give a clear, coordinated framework for future improvement

Community vision and External influences council strategic direction on waterway health management Corporate Plan National and State legislation Integrated Water Strategy and policy

Nature Conservation Research, monitoring Strategy and evaluation

Open Space and Community groups and Recreation Strategy on-ground projects

Floodplain Management SEQ Planning and natural Strategy resource management Waterway Health Strategy (and Background Report) Technical data and reports Potential delivery pathways and supporting Stream order mapping documents

Fish and platypus studies Ipswich Planning Scheme

Microbial pollution studies Creek corridor plans

Catchment planning Ipswich Enviroplan

Waterway condition and Strategic floodplain geomorphic assessments management plans

Completed creek Catchment action plans corridor plans Technical Guidelines Flood and floodplain e.g. soil management, management studies riparian corridors and channel design

5 STRATEGY FIGURE 2 – Strategy development process DEVELOPMENT Catchment condition assessment, The health of our Ipswich waterways are directly fish and platypus surveys, wetland influenced by the condition of and activities in the adjacent riparian corridor, as well as the contributing assessments, stream order mapping catchment. Therefore the protection and enhancement of waterway health requires input and cooperation from many stakeholders. To achieve this, the strategy has been developed through coordinated consultation across multiple council departments and stakeholders including: Research and review of background information to build a better Infrastructure and Environment understanding of current waterway  Natural Environment and Land Management health and management requirements  Hydrology and Open Space Planning  Infrastructure Strategy  City Maintenance Review of Waterway Health Strategy Community, Cultural and Economic 2009 to identify updates required Development Department  Sport and Recreation

Planning and Regulatory Services Department  Engineering, Health and Environment Develop draft sub-catchment snapshots for inclusion in Waterway  City Design. Health Strategy The Waterway Health Strategy 2020 and Waterway Health Strategy Background Report replaces the Waterway Health Strategy 2009 to reflect the current understanding of Ipswich waterways and their management requirements. Figure 2 represents the Stakeholder review and input into process which was undertaken in order to update the sub-catchment snapshots Waterway Health Strategy 2009.

Draft Waterway Health Strategy developed

Stakeholder review and input

Final Waterway Health Strategy 2020

6 LEGISLATIVE AND PLANNING FRAMEWORK

Council has an obligation to meet a number of statutory requirements and regional targets for the protection and management of water quality, aquatic ecosystems and riparian vegetation (refer Appendix B for more details). It also has to fulfil State Government devolved responsibilities through regulatory enforcement on public and private land. Figure 3 provides a summary of key waterway and wetland legislation.

FIGURE 3 – Summary of national and state legislation which helps to protect and manage waterways and wetlands

FEDERAL Environmental Protection and Biodiversity Conservation Act (EPBC) 1999 Protection of nationally significant communities, species and wetlands

STATE Environmental Vegetation Water Act 2000 Protection Act 1994 Management Sustainable Regulates Act 1999 management of environmentally water resources Regulates clearing relevant activities of vegetation

Nature Coastal Protection Fisheries Act 1994 Conservation and Management Sustainable use Act 1992 Act 1995 of fisheries and Protects native wildlife Protects coastal fish habitats and habitat relevant and tidal zones activities

Planning Act 2016 Biosecurity Environmental Ecologically sustainable Act 2014 Offsets Act 2014 development Management of pest Requirements for requirements plants and animals environmental offsets

Aboriginal Cultural Heritage Act 2003 Waterways and wetlands have deeply embedded significant value as part of our cultural landscapes and are offered protection as such

7 The State Planning Policy 2017 and the SEQ Regional Plan 2017 (ShapingSEQ) both work together as part of Queensland’s planning framework under the Planning Act 2016 to manage growth, change, land use and development in South-East Queensland.

State Planning Policy Sets out the State Government’s interests in planning and development for Queensland

ShapingSEQ Refines the state interests to provide the framework for how the State Planning Policy will be applied to achieve desired planning outcomes in South-East Queensland

Local government planning scheme Local governments have a key role in advancing State Planning Policy and ShapingSEQ by demonstrating compliance in the development of their planning schemes

TABLE 1 – The Waterway Health Strategy accords with the following State interests and ShapingSEQ goals:

State Planning Policy Interests

Biodiversity Matters of environmental significance are valued and protected, and the health and resilience of biodiversity is maintained or enhanced to support ecological processes.

Water quality The environmental values and quality of Queensland waters are protected and enhanced.

ShapingSEQ Goals

Sustain – Element 2: The regional biodiversity network is protected and enhanced to support the Biodiversity natural environment and contribute to a sustainable region.

Sustain – Element 4: Regional landscape values and functions are sustainably managed and Regional Landscapes provide social, environmental, cultural and economic benefits to the region.

Sustain – Element 5: Water management in SEQ will use innovative approaches in urban, rural and Water sensitive communities natural areas to enhance and protect the health of waterways, wetlands, coasts and bays.

Sustain – Element 6: The region’s natural economic resources are managed sustainably and Natural economic resources efficiently to meet the needs of existing and future communities.

Sustain – Element 7: Communities are designed and supported by social infrastructure and Health and wellbeing natural assets to provide healthy, liveable places that promote mental and physical wellbeing.

Sustain – Element 9: The effects of climate change are managed to optimise safety and resilience Climate change for communities and the natural environment.

Sustain – Element 10: Communities are designed and equipped to be safe, hazard-resilient places. Safety

Live – Element 4: The liveability and sustainability of SEQ’s urban environments are enhanced Working with natural systems by incorporating urban greening networks.

8 9 ENVIRONMENTAL VALUES AND WATER QUALITY OBJECTIVES

Environment Values and Water Quality Objectives are set The Environmental Protection (Water and Wetland in Queensland Government legislation, listed in Schedule Biodiversity) Policy sets the management intent for the 1 of the Environmental Protection (Water and Wetland protection of water quality based on a classification level Biodiversity) Policy 2019. This document achieves the given to waterways. All waterways in Ipswich have been objective of the Environmental Protection Act 1994 classified, in consultation with council, as ‘Moderately (EP Act) to protect Queensland’s waters while supporting Disturbed Waters’ based on their current condition. ecologically sustainable development. The management intent for these waterways is:

Environmental Values are the qualities that make water  Where the existing water quality achieves the and wetlands suitable for supporting aquatic ecosystems scheduled Water Quality Objectives, maintain and human use. Water Quality Objectives apply to current water quality receiving waters including freshwater, estuarine and  Where the existing water quality does not achieve marine wetlands. the scheduled Water Quality Objectives, improve Specific Environmental Values and Water Quality water quality. Objectives have been developed in Schedule 1 for each of For council, management decisions need to consider the catchments across Ipswich (see Appendix A for more other impacts on waterway health, such as catchment details). They are part of legislation and therefore inform condition, land uses, existing and future flow patterns, to a range of statutory and non-statutory activities related determine how it will meet the Water Quality Objectives to waterway health management, including development as only one land manager within a catchment. Those assessments and compliance of environmentally relevant listed in the Policy are therefore referred to as the long- activities ie: point source discharges. term aspirational targets for Ipswich waterways.

TYPES AND CLASSIFICATION

Waterways and wetlands are described and classified and rivers or grass lined and concrete channels. These using different methods. The following sections describe waterways may or may not have permanent water in the types of waterways and wetlands which may be found them. Table 2 provides a snapshot of different waterway in the Ipswich region. types and the benefits they typically provide. This table highlights that though a waterway may be in a degraded state, it still provides a number of important waterway WATERWAY TYPES AND services. The table highlights that by reinstating certain CLASSIFICATION characteristics (such as riparian vegetation or in-stream habitat), gradual improvement can be achieved, which Waterways are generally defined as areas which provide increases the benefits provided by the waterway. a passage for water and may look like natural creeks

10 TABLE 2 – Waterway types

CHANNEL TYPE CONTINUUM

Natural Natural channel channel with with intact Grass lined open Vegetated open limited riparian riparian and Concrete channel channel channel vegetation floodplain zone WAT E RWAY SERVICES PROVIDED

Riparian habitat L X

In-stream habitat L X X

Water quality L X X X improvement

Flow conveyance X X X X X

Urban cooling L L X X

Amenity L L L X

Potential future transformation

X = services provided, L = services may be provided depending on the waterway condition

11 The classification of waterways influences the way in On a collective basis, lower order streams comprise the which they need to be managed. The majority of Ipswich majority of stream lengths in Ipswich and therefore play waterways have been classified as ‘moderately disturbed a critical role in protecting and maintaining the health of ecosystems’ , which recognises that the aquatic higher order streams and rivers (refer Table 3 and Figure biodiversity may have been adversely affected by human 4) by reducing flow volumes promoting infiltration and activity. The management plan for these waterways supplying critical inputs such as coarse sediment and works toward ensuring that the current condition is gravel from the catchment. However, due to their small maintained or improved. size and ephemeral nature, many of these waterways have been lost or altered significantly. The important Waterways can be further classified based on their size services provided by these smaller waterways can be and position within a catchment. Currently the stream effectively managed through: order system is used to classify waterways, based on their status in a hierarchy which ranges from small  enhancement through on-ground rehabilitation to headwater tributaries (commencing with stream order 1) restore native vegetation and bank stability, and to large rivers. When two streams of the same order join,  design of stormwater management systems to the waterway is elevated to the next highest order. The replicate their functions if protection or rehabilitation use of other methods such as overland flow mapping can is not practical, or protection by planning mechanisms. also be used to delineate smaller lower order streams from larger higher order streams.

TABLE 3 – Total length and percentage of stream orders in Ipswich

Percentage of total stream length Stream order Total length (km) in Ipswich (%) Lower (1 + 2) 10,694 93%

3 378 3%

4 143 1%

5 125 1%

6 44 0.5%

7 64 1%

8 47 0.5%

12 FIGURE 4 – Example of stream order mapping undertaken in 2015 showing extent of lower order streams in the Ipswich landscape

Legend Stream Order 3 4 5 6 7 8 Low Order

Suburb Boundary

0 2 kilometres

Legend Stream Order 3 4 5 6 7 8 Low Order

Suburb Boundary

0 2

kilometres 13 WETLAND TYPES AND CLASSIFICATION

Wetlands are described as areas of permanent or periodic inundation of static water. There are two main wetland types as described in Table 4.

TABLE 4 – Wetland types

Wetland type Description Ecosystem services Examples

Palustrine Vegetated wetlands which  Habitat/refugia are located within the  Movement/connectivity floodplain and are not part of the waterway channel.  Flood mitigation They are mostly formed as depressions in the landscape  Nutrient and sediment and may not contain water in management dry periods. These wetlands  Soil management. don’t stop being wetlands during these dry periods as they are adapted to ‘bounce’ back to become hot spots of biodiversity when it rains. Many of these wetlands have – billabongs, been lost to development, Examples swamps, soaks agriculture, draining and filling.

Lacustrine Large open water systems  Habitat/refugia which can include modified  Flood mitigation or artificial systems such as dams. Many of the natural  Nutrient and sediment lacustrine wetlands have management. been modified with levee banks and dam walls which disconnect them from other aquatic systems. Examples – lakes, farm dams

Wetlands in Queensland are identified, classified and assessed by the state government. Wetlandinfo.ehp.qld.gov.au can be used to find out where wetlands are located, the type of wetland and its condition. On a collective basis, the non- riverine (lacustrine and palustrine) wetlands in Ipswich are in poor condition based on this source of information.

14 WATERWAY AND WETLAND MANAGEMENT

The health of waterways and wetlands reflect on land and water resource management within the waterway corridor as well as the broader catchment. Typical negative influences on waterway health include pollution (point source and diffuse), changes in hydrology, loss of riparian and floodplain vegetation and erosion and sedimentation.

Waterway management over the past decade has focused on water quality, through the management of point source pollution (e.g. direct discharge of pollution from wastewater treatment plants and industry) and requiring new urban developments to better manage stormwater, in order to meet best practice pollution reduction and flow management targets. It should be noted that legislative best practice standards are based on the economic treatment efficiency of current stormwater management infrastructure technologies. These technologies are designed to manage only a portion of the stormwater flows generated from new urban areas and therefore there is still an increase in pollutant loads and volumes of wastewater and stormwater entering our waterways. To ensure there is no worsening and improvement of waterway health across Ipswich, it is important that a combination of on-site and catchment management solutions are implemented.

CHALLENGES FOR WATERWAY MANAGEMENT

A number of challenges are faced by council in its management of waterways. The environmental, land use or management challenges are presented in Table 5.

TABLE 5 – Challenges for waterway management

Environmental challenges Land use challenges Management challenges

Erosive soils Urban areas and increased Enforcement impervious surfaces  Highly mobile dispersive soils in most  Capacity to strengthen enforcement sub-catchments leads to widespread  Greater areas of impervious surfaces of erosion and sediment control erosion, threats to property and associated with urbanisation and pollution discharges, using a infrastructure, sedimentation and increases the risk of downstream combination of regulatory and increased turbidity in waterways. flooding, increased channel erosion educational mechanisms. and sediment transport and impacts Unstable banks from ‘first flush’ inputs of pollutants Staff capacity  Configuration and morphology of (nutrients, litter, pesticides, heavy  Increasing internal knowledge and skills receiving waterways with deeply metals and sediments). to address waterway health issues and incised banks increases the risk of management requirements. Population growth bank erosion with high volume and/or high velocity flows.  Population growth and expanding Resources infrastructure places added pressure  Commitment of resources and Degraded riparian and on catchments and waterways. investment to the delivery of floodplain management management actions. Peri-urban development  Continual loss and degradation of native vegetation in riparian  Changing land use practices and Roles and responsibilities and floodplains reduces riparian, demographics in rural areas with  Developing a clear definition wetland and in-stream habitats, an increasing trend towards and agreement on the roles and significantly impacts on water quality ‘peri-urban’ developments. responsibilities of all stakeholders. and increases vulnerability of river ecosystems to collapse. Rural areas Partnerships  Loss of vegetation and  Developing and supporting Climate change uncertainty unrestricted access of stock in strong partnerships with private  Projected climate change variability wetlands and waterways. landholders, non-government and changed rainfall patterns will organisations, regional NRM bodies PFAS and other contaminants polarise base and peak flows and and all levels of government to align exacerbate degradation patterns.  The occurance of per- and poly- waterway health management. fluoroalkyl substances (PFAS) contamination in waterways in Monitoring Ipswich has highlighted the risk  Capacity to monitor and evaluate the that land use activities can have success of management actions. on waterway health.

15 STRATEGIC WATERWAY MANAGEMENT DECISION-MAKING

Waterways in Ipswich will face continued pressures associated with land use change, population growth and urban development, but this brings opportunities to manage the impacts to drive towards the future vision. It is important to understand that transformation requires time, partnerships and investment and will involve multiple stages. An upfront investment in waterway health protection and enhancement, can result in avoided future costs associated with waterway rehabilitation, water quality improvement and sediment capture.

Economic rationale for investing in waterway health

Sharing the Load, a report by Mainstream Economics and Policy in 2011 identified that at the time, the value of avoiding further decline in coastal, marine and inland waters across South-East Queensland over the next 20 years would be approximately $2 billion.

 Avoided costs in downstream waterway rehabilitations Appropriate management of stormwater within urban developments can potentially result in avoided costs (on average $34,000/ha) associated with rehabilitation of downstream waterways which have been impacted by increased flows and pollution.1

 Water quality improvements If urban land uses manage pollutants before they are discharged to waterways, it can result in the removal of the Total Nitrogen (an addition nutrient) that would cost on average $3,360–$7,860/ha/yr to remove in an equivalent wastewater treatment.2

 Sediment management Protecting waterways through effective management is often cheaper than treatment at a treatment plant. Modelling undertaken in 2009 identified that a conservative assumption of a 10 per cent increase in turbidity by 2031 would increase water treatment costs by approximately $16M each year.3

Waterway health management activities should be informed by an understanding of the current condition, local context and likely outcomes of the planned activities identified within the waterway corridor and its catchment. This approach allows an appropriate future target for each waterway to be developed, which reflects both its current condition and likely future trajectory. Appropriate actions can then be developed to achieve the overall target for the waterway corridor. For example urban waterways corridors are likely to be more constrained than rural waterway corridors, as they typically need to accommodate multiple outcomes in a designated area including flood conveyance, areas for recreation and open space, infrastructure as well as providing ecosystem services.

Section D provides an overview of the current condition of Ipswich sub-catchments.

1 ‘Valuation of economic, social and ecological costs and benefits of strategies and systems for water sensitive cities’, CRC for Water Sensitive Cities https://watersensitivecities.org.au/wp-content/uploads/2016/05/FS_A1-2_ValuationEconomicSocialEcologicalCostsBenefitsWSC.pdf 2 ‘Business Case for Best Practice Urban Stormwater Management’ Water by Design http://hlw.org.au/resources/documents?topic-Water+By+Design&category-0&term-business+case 3 ‘Managing what matters: The cost of environmental decline in South East Queensland, prepared for South East Queensland Catchments http://www.seqcatchments.com.au/managing-what-matters.html

16 17 The waterway channel, riparian and floodplain zone are referred to collectively as the waterway corridor in this strategy. The inclusion of the community as the fourth management action theme reflects the important role the community plays in improving waterway health across Ipswich (see Figure 5). While it is recognised that groundwater interactions are also important within waterway corridors it is not a focus of the strategy as there are currently considerable knowledge gaps.

This section provides an overview of each of these management action themes, describing their importance, threats and management considerations.

18 FIGURE 5 – Management Action Themes identified to guide investment

Theme 1 Theme 2 Theme 3 Theme 4 Channel Riparian Floodplain Community

19 MANAGEMENT THEME 1 – CHANNEL

Description  Excess carbon loads drive the primary production of algae and bacteria which deplete dissolved oxygen What is a waterway channel? levels in the waterway which impacts the aquatic biota in the channel A waterway channel is defined in this strategy as a depression in the land which conveys water, including large  High sediment loads come from new urban rivers and smaller creeks which permanently hold water, developments, rural activities, unsealed roads and as well as smaller channels which only convey water after unstable channel beds and banks rain. The channels can be in a natural state or may have  Salinity impacts land and water biodiversity, been modified with the use of rock or concrete. productivity of agricultural land and the lifespan of A healthy waterway channel will typically consist of the infrastructure and occurs where mineral salts within following attributes: the soil are carried to the surface with rising ground water. This is primarily caused through the removal  stable bed and banks of deep-rooted native vegetation.  good water quality 3. Habitat  diversity of habitats (riffles, pools, woody debris, etc). Channel habitat diversity is impacted directly when channels are modified, for example when natural channels The importance of waterway channels are converted into grassed or concrete channels, or from erosion and sediment deposition which results in Waterway channels provide a range of important the removal or smothering of channel habitat structures. values including: The removal of riparian vegetation will also result in  in-stream habitat for native fish, platypus and the reduction of large woody debris deposition into the macroinvertebrates channel which provides important habitat.  conveyance of water 4. Loss of small lower order streams  water source for drinking, agricultural or industrial uses Small lower order streams are often lost or altered  recreation including fishing and kayaking. significantly due to their small size and ephemeral nature. Not only does this remove an important habitat, but it can also have large impacts on downstream Threats to waterway channels waterways. For example, many lower order streams are converted into piped networks in urban developments. Waterway channels are impacted directly by activities This conversion means that instead of surface runoff in the channel or adjacent riparian zone as well as in the being conveyed in a vegetated depression which contributing catchment in four ways: provides filtering and encourages infiltration, it enters 1. Bed and bank stability a pipe which conveys the flows into a larger stormwater network and then directly into a waterway, causing The bed and banks of waterway channels can be water quality and bed and bank stability issues. directly impacted by activities in the waterway channel (such as grazing or infrastructure works) and the removal of riparian vegetation resulting in exposure Management approach of bare banks, which are susceptible to erosion. The Waterway channel management is a complex issue as the urbanisation of catchments increases stormwater channel condition is impacted both directly by activities volumes directly entering the waterways through a within the channel as well as by broader catchment stormwater pipe network, which also contributes to the activities. Therefore the management approach also erosion of the channels. needs to be diverse. 2. Water quality Bed and bank stability Water quality in waterways is impacted by increased  Within the channel stock access should be pollutants (such as nutrients, sediments and carbon) as restricted into waterways and native vegetation well as increased salinity in a number of ways: should be retained or replanted in areas where  Nutrients are a major threat to water quality works are undertaken in Ipswich waterways and come directly from  Catchment-wide, the amount of impervious surfaces wastewater treatment plants, industrial activities and which are directly connected to waterways in the are also carried in stormwater runoff from urban and stormwater pipe network should be reduced. rural areas

20 Water quality developments.  Point source solutions should include a wastewater Ipswich City Council’s main tool for waterway protection treatment plant upgrade in which council has is through its Planning Scheme, developed to reflect invested heavily in the past and this has resulted in the state level requirements for waterway protection, the first major increase in water quality improvement including requirements related to the protection of natural hydrologic behaviour of catchments and  Catchment-wide solutions must include reducing protection of water quality. There are also a number diffuse pollution at the source. As an example, council of other council strategies and tools which support has adopted stormwater management, erosion and the protection and enhancement of waterway health sediment control requirements for new developments. including the Integrated Water Strategy 2015 and Habitat the Waterway and Channel Rehabilitation Guidelines. Extensive mapping and validation has been undertaken  Within the channel a solution should use the natural to identify all stream orders across Ipswich which can be channel design in order to rehabilitate waterways used to inform stream order protection.  Catchment-wide, erosion and sediment on Council’s stormwater quality offset framework also development sites and rural properties should be enables investment to be focused on landscape scale reduced as this lowers the volume of sediments projects which will improve channel condition, reduce entering the waterways. the amount of sediment and nutrients in the waterways Protection of lower order streams and deliver multiple benefits. Projects which have been funded as part of this program include stock fencing and  Within channel solutions should include looking for riparian revegetation in rural catchments. opportunities to retain lower order streams and improve their function in terms of flow conveyance, stability, habitat and landscape cooling Management focus

 A catchment-wide solution must include replicating the  Erosion and sediment control and operational function of lost lower order streams, with the design management of water quality and flows from urban of stormwater management systems to promote development to provide best practice protection detention, infiltration and treatment of flows. from pollution and changes in hydrology  Appropriate design of natural channels as part of Current requirements rehabilitation works to provide future resilience and habitat for native flora and fauna There are a number of state and local government policy and planning tools which aim to protect waterway  Protection of lower order streams or replication of channels from pollution and erosion. their function in order to protect ephemeral habitats, provide landscape cooling and manage the bulk of The health of waterways in Queensland is predominately flows across the catchments. protected under the Environmental Protection (Water and Wetland Biodiversity) Policy 2019 which provides environmental values and water quality objectives which define the uses and long-term water quality goals for waterways.

The level of protection required for the waterway is based on its current condition. The State Planning Policy sets out requirements for development across Queensland to manage stormwater and wastewater in ways that supports the protection of environmental values identified in the Environmental Protection (Water and Wetland Biodiversity) Policy 2019. This includes setting stormwater management design objectives to manage the quality and quantity of stormwater entering waterways from

21 CASE STUDY POLLARD PARK WATERWAY STABILISATION

Pollard Park in Camira contains a low order stream Council is using developer stormwater quality that is tributary of the ecologically significant Sandy contributions to improve the waterway and prevent Creek. The catchment contains a variety of land erosion issues through the construction of grade uses including bushland, residential and commercial control structures, rock pools and revegetation. This areas, the development of which has caused and will halt the export of sediment and nutrients from accelerated erosion in recent years. The erosion of erosion downstream and improve the quality of this park is a threat to infrastructure, in addition to runoff from the catchment. To improve the quality contributing excessive sediment and nutrient loads of water and restore base flow conditions, filtration to the downstream waterway. basins have also been constructed which will assist in the removal of stormwater pollutants and reduce runoff to the receiving waterway.

22 23 MANAGEMENT THEME 2 – RIPARIAN CORRIDOR

Description Exotic weed species in riparian areas can have a myriad of impacts on surrounding land and water ecosystems What is a riparian corridor? including altering soil nutrient processes, impacting upon native aquatic food webs and inhibiting the Riparian corridors are the area of land adjoining a recolonization and growth of native species. The number waterway, providing a buffer between terrestrial and one riparian woody weed in Ipswich is Chinese celtis, aquatic environments. Celtis sinensis (also known as Chinese elm).

They provide important connected green corridors along The loss of native riparian vegetation across Ipswich a length of a waterway from the small headwaters to impacts the ability of riparian corridors to protect the larger channel areas downstream. Healthy riparian waterways from erosion and poor water quality or corridors have the following characteristics: provide habitat, shade and visual amenity.  contain structural and species diversity of native vegetation Management approach  exist in continuous stands along the waterway As the key interface between different catchment land  be of a minimum width to perform specific functions. uses and the waterway channel, riparian lands can be owned by a range of stakeholders and be either private The importance of riparian corridor or public land. Therefore the management of this land requires a partnership approach between all users, Riparian corridors provide the following benefits: owners and managers for any development, major infrastructure, parks and open spaces and revegetation  hold bank soil in place and reduce the risk of bed and projects. Table 6 provides a snapshot of the types bank erosion of activities and delivery mechanisms which can be  filter sediments and nutrients from surface run-off undertaken to manage riparian lands. and groundwater

 regulate water temperature TABLE 6 – Riparian land management activities and  provide corridors for fauna movement, habitat and delivery mechanisms food along the length of waterways Delivery mechanisms  support in-stream ecosystems by dropping woody Private rural land  Landholder partnerships debris and organic materials  Land for wildlife  provide shade to regulate water temperature,  Offset initiatives ‘shade out’ weeds and create cool landscapes for the community  Legislative vegetation management  intercept and reduce the volume and frequency of requirements. stormwater runoff entering waterways Private urban lands  Landholder partnerships  improve the visual amenity and property values  Habitat gardens. along waterways. Public land (e.g. parks)  Community planting days Threats to riparian corridors  Habitat connections program A threat to riparian corridors is their reduced width  Corporate planting days through removal for urban, peri-urban and rural land  Offset projects. use practices. The condition and health of riparian corridors has a greater impact on the health and New urban and industrial  DA requirements developments condition of aquatic ecosystems than land use practices  Best practice guidance. alone, as the removal of riparian vegetation is linked to Infrastructure projects  Integrated design channel erosion which is a major source of nutrients and (e.g. roads) approach sediments reaching Moreton Bay.  Best practice guidance. Another threat to riparian corridors is the invasion of exotic grasses and woody weed species. Riparian corridor condition is heavily affected by the loss of native riparian vegetation and subsequent dominance of introduced species of woody weeds, grasses and vines.

24 Riparian corridor widths balance between the size of the waterway channel, and width required from the riparian zone, to provide The width of the riparian corridor influences how the greatest benefit. For example, a 10m wide riparian effectively it can filter surface flows, stabilise banks, corridor will have considerable influence on the stability and provide habitat and shade. Figure 6 presents a and water quality of a small, lower order stream, but schematic representation of a riparian corridor, its key would have limited influence on these functions in a wide, functions and the zone of influence for these functions. major waterway. These widths would ideally be applied to This diagram highlights that the wider the riparian both sides of the waterway. corridor, the more services it will be able to provide. For example, to increase biodiversity and support native flora and fauna, the corridor needs to be wide FIGURE 6 – Schematic representation of the zones of enough to reduce edge effects, while bank stability influence within a riparian zone (based on Clerici et al, 2013)4 can be provided by a narrower width of vegetation.

Optimal riparian widths can range from 5m to 200m Material flows, habitat depending on the landscape context for the waterway (e.g. urban vs rural), the management objective (e.g. surface water filtering vs terrestrial habitat) and the size Organic matter of the waterway (e.g. lower order stream vs high order input, shading stream). The feasibility of providing wide riparian zones will be influenced largely by adjacent land uses, but it Bank should be recognised that reducing riparian widths, will stability reduce the function provided by this vegetation.

Minimum riparian corridor widths from the top of bank were developed for the previous Waterway Health Strategy following a review of other local council and state government requirements. These widths remain relevant based on current research and provide a

TABLE 7 – Recommended minimum riparian corridor widths

Minimum riparian corridor width for Wetland type Stream order each side of the waterway High order waterways 5 and above 50 metres

Middle order waterways 3 and 4 25 metres

Low order waterways 1 and 2 10 metres

4 Nicola Clerici, Christof J. Weissteinera, Maria Luisa Paracchinia, Luigi Boschettib, Andrea Baraldib and Peter Strobla (2012) ‘Pan-European Distribution modelling of stream riparian zones based on multi-source Earth Obeservation data’

25 TABLE 8 – Minimum riparian corridor widths, based on stream order for major waterways in Ipswich

Waterway category Low order Middle order High order

Stream order 1 2 3 4 5 6 7 8

Riparian widths 10m 10m 25m 25m 50m 50m 50m 50m

Black Snake Creek

Bremer River

Brisbane River

Bundamba Creek

Deebing Creek

Franklin Vale Creek

Goodna Creek

Ironpot Creek

Mihi Creek

Mountain Creek

Opossum Creek

Plain Creek

Purga Creek

Sandy Creek (Camira)

Sandy Creek (Tivoli)

Six Mile Creek

Warrill Creek

Western Creek

Woogaroo Creek

Lockyer (Woolshed) Creek

Weed management Current requirements

Management of riparian lands should aim to protect A range of government policies and legislation may existing native vegetation wherever practical, and come into play when working within riparian corridors. ensure that local native species are used when For example, the clearing of vegetation in Queensland is revegetation is undertaken. Weed control should also be regulated by the Vegetation Management Act 1999 and undertaken on identified environmental and declared the Planning Act 2016 while the conservation of natural weed species as described in council’s Riparian Corridor resources is also regulated by the Nature Conservation Revegetation Guideline. Act 1992 and the Environmental Protection and Biodiversity Act 1999. Weed control is regulated under the Biosecurity Act 2014. Ipswich City Council’s Planning Scheme has also been developed to reflect these requirements. For example, the vegetation management code restricts clearing of native vegetation from land within 30m from the waterway edge or within 10m of the top of the bank, where the slope of the bank exceeds 15 per cent (refer Figure 10). These requirements are currently only applicable for designated watercourses which only include the large, major waterways in Ipswich and is limited in its ability to ensure protection and rehabilitation of riparian corridors, for waterway health outcomes, in smaller waterways across Ipswich.

26 FIGURE 7 – Defining extent of riparian corridor for protection of native vegetation (from Vegetation Management Code)

Riparian Corridor Native vegetation to be conserved

Top of bank

10m from top of bank 30m from edge of stream bed

30m from edge of stream bed Slope greater than 15%

Slope less than 15%

Designated watercourse stream bed

The Local Government Infrastructure Plan – Supporting Management focus Document: Public Parks (2016) sets some clear principles for the fit-for purpose works required for drainage and  Protect suitable riparian corridors where practical on waterway channels (typically top of bank to top of bank) both sides of waterways, or replicate the ecosystems within parks, to be constructed and rehabilitated, in services lost, to ensure multiple benefits can be order to achieve a fully vegetated corridor outcome. provided across Ipswich waterways

In addition to relevant legislation and policies, there are  Removal of exotic weeds and replacement with native also a number of Ipswich City Council strategies that vegetation to protect and enhance native biodiversity. support riparian land management including the Nature Conservation Strategy 2015 and Integrated Water Strategy 2015. Council’s Riparian Corridor Rehabilitation Guideline also provides guidance on the reinstatement of native vegetation along Ipswich waterways, including recommended minimum vegetated widths for all waterways (not just major designated waterways) and weed control techniques.

27 CASE STUDY HABITAT CONNECTIONS – BUNDAMBA CREEK

Since 2012 Bundamba Creek has been one of a using a mixture of native riparian or waterway number of focal waterways and sites for the Habitat species known to naturally occur along waterways. Connections program. Habitat Connections is an investment strategy aiming to create and enhance The plants were planted using a combination of riparian corridors in and around Ipswich. contractors and more importantly, community volunteers. As the locations were already popular Bundamba Creek provided a good location for this or visual there was a great deal of interest program, with the waterway containing some of from schools and catchment groups in the local the remaining native vegetation in the catchment. community. Corporate and community planting days Beginning around Mount Flinders, Bundamba Creek were organised and in 2014 over 6,000 plants were flows through Ripley Valley into outskirts of the installed by groups such as the Bremer River Fund, CBD through the suburbs of Swanbank, Blackstone Thiess staff, Japanese environmental students and and its namesake Bundamba before finding the children from Bundamba State High school. One Bremer River. In these lower reaches, much of the notably successful event was the Trees for Mum creek flows on or through council owned parks and day. This concept of planting a tree for, or with, reserves which typically consist of dispersed mature your mum for Mother’s Day has continued to grow trees and riparian corridors which are susceptible to in popularity. Those taking part regularly return weedy ingress. year on year to check ‘their’ trees and plant more High profile sites that were neither well used or highly and develop a vested interest in the site and its visual located next to highways were identified as a wellbeing. The site has grown from a single 95m site priority and the removal of weedy mats in between to over half a kilometre of riparian corridor along the waterway and the mown grasses areas were George Palmer Park with over 10,000 plants now in tackled initially. These areas were then revegetated the ground.

28 29 MANAGEMENT THEME 3 – FLOODPLAIN AND WETLANDS

Description flowing, fresh, brackish or salt. While a wetland might only be ‘wet’ for some of the time, it remains defined as Maintain flood conveyance capacity a wetland when it is a dry state (DEHP Wetlands). There are approximately 543 lacustrine/palustrine wetlands Floodplains are areas of land adjacent to a waterway within the Ipswich City Council LGA (DEHP Wetlands), which stretch from the banks of the waterway channel, falling within the floodplains of the region. to the base of the enclosing valley walls including wetlands and riparian corridors. Floodplains experience The importance of floodplains periodic inundation when a waterway floods and are an and wetlands integral part of healthy waterways and flood mitigation. The periodic inundation from the waterway is critical for Healthy and connected floodplains and wetlands provide floodplains so that they can continue to provide a range the following important benefits: of important services such as flood mitigation, water  flood mitigation by slowing, conveying and quality improvement, habitat and soil replenishment. storing floodwaters Healthy floodplains have the following characteristics:  improved water quality by reducing soil erosion, and capturing and treating pollutants when inundated  longitudinal connectivity along waterways  provide important landscape connectivity and  lateral connectivity with the waterway habitat for many plants and wildlife (e.g. important  species diversity of native vegetation, capable of fish nurseries) responding to the different frequencies of inundation  sustainable agriculture through productive and  broad, wide and shallow landscapes, often comprising fertile soils of wetlands.  carbon sequestration  Floodplain wetlands are areas of permanent or recreation and visual amenity intermittent inundation, with water that is static or  recharging of aquifers.

FIGURE 8 – Mapped non-riverine wetlands across Ipswich

Legend City Boundary

Coastal and sub-coastal tree swamps

Palustrine wetlands

Lacustrine wetlands

Rivers and creeks

Catchment boundary

0 10

kilometres

30 Threats to floodplains and wetlands to identify in extended dry periods. These wetlands can be subject to draining or filling as part of development or Many of the natural floodplain features, including agricultural practices. wetlands, across Ipswich have been lost or altered due to urban development and agricultural practices. Management approach Floodplain disconnection Re-engagement of floodplains Floodplains rely on the periodic inundation of Floodplain management aims to identify floodplain floodwaters and are therefore impacted by activities locations where reconnection with the contributing which alter this connection including: catchment and/or the waterway channel is possible,  piped stormwater flows draining under the floodplain practical and will provide multiple benefits, including directly into the channel, disconnecting these flood mitigation, water quality improvements, habitat, catchment surface flows from the floodplain area recreation and urban cooling. The approach for  change in hydrology associated with creation of floodplain management will depend on what is possible levees, dams and weirs based on the current condition of the floodplain. Ideally, an appropriate floodplain extent will be provided which  the deepening of channel beds due to erosion which allows the waterway to move naturally without impacting means that flows no longer regularly inundate the on infrastructure. floodplain from the channel. Table 9 provides an overview of the types of floodplain Removal/filling of wetlands management activities which may be undertaken in different settings. Many wetlands are ephemeral in nature, meaning that they only hold water after rainfall events and are difficult

TABLE 9 – Floodplain management activities in rural and urban areas

Floodplain Key current Description management Approach condition driver

Rural Rural floodplains may still contain remnants of Reconnect Identify locations which will provide local floodplain floodplain wetlands, but these may no longer floodplain with downstream benefits by: be inundated regularly, due to channel incision the channel  addressing channel erosion and which has lowered the bed level resulting in the and catchment raising the bed level through channel majority of storm flows being conveyed within flows to works, to increase the number of the channel. The channel erosion and removal of slow flows floodplain inundation events floodplain vegetation in these upstream rural areas and support also results in flood flows moving more quickly floodplain  increasing the amount of vegetation downstream. These could be an opportunity to wetlands. in the floodplain areas to slow and re-engage the floodplains with the channels in hold back flood flows which enter certain locations to provide flood improvement the floodplain downstream, as well as provide local floodplain functions such as soil improvement and habitat.  working with landholders to ensure there is no loss or compensation for impact on productive land.

Urban The majority of urban floodplains have been Reconnect Identify suitable locations to provide local floodplain developed, therefore maintaining flood floodplain with and downstream improvements by: conveyance and flood immunity within these catchment  increasing pervious areas within the build-up areas is critical. Raising the bed level subsurface catchment to encourage infiltration of and reconnecting the channel with the floodplain flows to stormwater runoff which will help to often may not be possible. Where this is the case, improve reconnect the floodplain to catchment there could be an opportunity to re-engage the water quality. subsurface flows floodplain by intercepting local catchment flows, which form part of the linear open space and  the use of treatment trains throughout stormwater treatment networks. the catchment to help to improve water quality and enhance infiltration of stormwater flows.

31 Protection of wetlands Management focus

Changes in water regime and water quality can have  Preservation of natural floodplain function by re- detrimental impacts on wetlands. An understanding instating connections between the floodplain, the of the frequency and timing of inundation is required channel and/or the catchment and allowing room for to ensure that the wetland vegetation can be water to move sustained, especially if there are planned changes to the contributing catchment flows (e.g. increased flow  Identify and protect natural wetlands from changing frequency and duration from urban development). flow patterns and water quality impacts. While natural wetlands provide water quality treatment, they should be treated as receiving environments, so appropriate pre-treatment of flows is required to maintain the on-going function of the natural wetland.

Current requirements

Ipswich City Council’s main land use planning tool for floodplain management (relating to development) is the Ipswich Planning Scheme which strategically governs and guides the city’s development. The primary form of regulation is through an Adopted Flood Regulation Line (AFRL) and associated codes and provisions which assist in identifying suitable areas for development, setting development levels and land use outcomes.

In addition to the Planning Scheme, resilient and effective floodplain management is also supported by council’s Integrated Water Strategy 2015. Ipswich’s future floodplain management will also consider outcomes of the Brisbane River Catchment Flood Study and the Ipswich Integrated Catchment Plan. The latter document includes the consideration of natural floodplain management options and takes a holistic catchment- wide approach to flood management.

Wetland protection, management and responsibility is shared over federal, state and local governments. The Ramsar Convention aims to reduce the loss of wetlands and protect remaining wetlands and at a federal level, the protection of these major wetlands is provided under the Environment Protection and Biodiversity Conservation Act. At a state level, the State Planning Policy under the Biodiversity State Interest requires local planning schemes to consider, identify and manage any significant adverse environmental impacts on matters of state environmental significance, which includes wetlands.

32 CASE STUDY EVELYN DODDS CULTURAL RESERVE WETLANDS

Evelyn Dodds Cultural Reserve was once the site of an Aboriginal meeting place, or bora ring. The location was chosen due to its proximity to Bundamba Creek and the waterholes and wetlands present. These wetlands remain to this day set amongst lilies and gum trees within the floodplain of the creek. Small wetlands are ephemerally connected to the creek in hi-flows and are topped up by inflows possibly from ground water. The wetlands are home to many insects and birds including species such as Spoonbills and Egrets as well as turtles and fish. The area also still has a local wallaby population and these animals call this area home despite its proximity to the CBD. The wetlands would have been typical of the floodplain systems found in the flatter lower reaches of many of the Ipswich systems, before the advent of modified conveyance drainage and land use change.

33 MANAGEMENT THEME 4 – COMMUNITY ENGAGEMENT

Description of the city’s resources and to achieve the vision of ‘clean and healthy waterways’ it is essential that the What is community engagement? community is informed and can be involved in on-ground implementation. This will assist community stakeholders Waterways provide a range of services for the in understanding the ecological, economic and social community including recreation, water supply and native values of Ipswich waterways. biodiversity. The community also undertake a range of activities which affect the health of our waterways. Therefore community awareness and long-term Threats to community engagement engagement is critical to the improvement of waterway Key threats to the successful engagement of the Ipswich health in Ipswich. community in terms of waterway and wetland health The following stakeholders are considered as part of this improvement include: ‘community’ in the Waterway Health Strategy:  lack of resources available to support  landholders – rural, urban and peri-urban community activities  community groups, sporting groups, schools,  conflicting or difficult to understand information on educational facilities and alike waterway and wetland management requirements.  business and industry Management approach  federal, state and local governments Council can help to support community engagement by  natural resource management bodies providing the following:  development bodies  accessibility to waterways, pathways, parks and  Traditional Owners. boat ramps  education about waterway management issues to The importance of raise community awareness community engagement  building partnerships to provide institutional arrangements, monetary support and Understanding that we all live within a catchment and implementation on the skills and expertise of that our day-to-day activities have the potential to community members. impact on the health of our waterways is an important component of community awareness. The protection The type of involvement and engagement will differ for and rehabilitation of waterway health cannot be realised the key community stakeholder groups according to without a working partnership between council and their specific interests, objectives and typical waterway the community. To ensure the long-term sustainability management activities (refer Table 10).

TABLE 10 – Community engagement opportunities across different stakeholder groups

Stakeholder Description Waterway health objectives Management approach group

Landholders  Many Ipswich waterways drain  Improved land use practices  Knowledge transfer (factsheets, – rural and through rural lands which are information sessions)  Increased native riparian peri-urban privately owned vegetation cover and  Partnership programs  Waterway health is threatened floodplain function.  Monetary assistance to deliver by agricultural runoff, on-ground works. uncontrolled stock access, gully and channel erosion, loss of native vegetation, invasive weed species and water extraction.

34 Stakeholder Description Waterway health objectives Management approach group

Community –  Most of the city’s population lives  Improve urban stormwater  Educations (fact sheets, signage) urban within the urban footprint quality and quantity  Creation and support of management  Waterway health is threatened catchment groups by domestic impacts of poor  Provide public access and  Community events (e.g. planting urban stormwater quality, recreational opportunities along days, workshops, competitions) clearing for new developments, urban waterways garden escapees and  Provision of safe access  Increase the social and unmanaged recreational access to waterway. environmental values of riparian  Combination of both private corridors and public ownership of riparian  Encourage urban landholders to land – majority of public land is participate in waterway health designed as linear open space. management initiatives.

Business and  Impacts on waterway health  Reduce the impact of point and  Education (fact sheets, industry from both point and diffuse diffuse source pollutants information sessions) source pollutants through direct  Improve the public image of  Partnerships discharge and runoff from businesses and industries impervious surfaces  Consistent approach to working towards Ipswich as compliance regulation.  Most point source discharges a liveable city with ‘clean and are regulated as Environmentally health waterways’. Relevant Activities (ERA’s) under the Environmental Protection Act 1994.

Federal, state  Many urban waterways lie within  Ensure waterways are protected  Knowledge transfer/advice and local or adjacent to public open space in a consistent manner to  Holistic waterways governments which is owned and/or managed provide multiple benefits for the planning studies by local governments environment and community.  Coordinated enforcement  Ipswich City Council has many (joint investigations) departments which work within waterway corridors  Monitoring.  Waterways in Ipswich flow through multiple council jurisdictions (e.g. Lockyer, Scenic Rim and Brisbane council areas)  State government produce the legislation and guidance for the overall protection of QLD waterways.

NRM bodies  Independent, not-for-profit  Bringing together industry,  Knowledge transfer/education organisations which have a focus research, government and the  Monitoring on improving the condition of community in the improvement land and waterways in South- of waterway and wetland health.  Regional committees/ East Queensland (e.g. Health advisory groups Land and Water, Landcare groups, etc)  Joint planning and delivery of on-ground works.  Provide range of activities including monitoring, educational materials, community education and on-ground works.

Traditional  Traditional Owners have a  Engage with the Traditional  Engagement through Owners strong spiritual connection and Owners to gain an understanding Native Title and Cultural long history with waterways of the history of Ipswich Heritage Officer. across Ipswich waterways and requirements for their ongoing management  Waterways were used for food, materials, living and  Recognise sites of Aboriginal celebrations and there are cultural significance. many registered sites of Aboriginal cultural significance.

35 Stakeholder Description Waterway health objectives Management approach group

Development  Rapidly expanding urban  Reduce the impacts of soil  Legislative requirements and bodies development including greenfield disturbance and sediment supporting guidance material and infill projects movement from new  Consistent approach to development sites  Impacts on waterway health development assessments. associated with large areas  Contain, control and manage of exposed soil during urban stormwater quality and the construction phase quantity as close to the source of development, followed as possible. by increased areas of impervious surfaces.

Current requirements  involvement in regional advisory groups  planning and design of linear open spaces, which Council have a range of current activities which support provide for community and environmental outcomes. the community in improving waterway and wetland health across Ipswich, including: Management focus  development of publically accessible educational materials and waterway planning documents  Holistic planning of waterway health outcomes with relevant stakeholders  supporting on-ground works through partnership programs such as voluntary conservation agreements  Support community and external stakeholders to be (which includes agreement and partnerships focused on able to deliver on-ground works improving waterway health), community planting days  Provide a clear point of contact for waterway health  provision of clear requirements and advice for activities within council. waterway management, in the planning and design  Provide safe points of access and recreation in of urban development waterway corridors.

36 CASE STUDY UPPER BLACK SNAKE CREEK IMPROVEMENT PLAN

Ipswich City Council works closely with the communities and professional stakeholders to deliver social and economic outcomes.

The Upper Black Snake Creek Improvement Plan was developed and delivered in partnership with a reference group representing a cross section of the community including the local school, land owners, the Marburg Show Society and the local Landcare group, West Moreton Landcare.

Through a number of workshops, door knocking activities and follow up steering meeting, the plan pieced together local knowledge and academic reports, as well as models and data to identify the major challenges and signpost some directions towards integrated solutions.

Since completion, the plan has led to the following outcomes:  the securing of funds for a community pathway alongside the creek with corresponding native revegetation  the production of the “Living in Black Snake Creek” booklet for the residents of the catchment in partnership with West Moreton Landcare and Healthy Land and Water  clearing and reshaping of the creek channel upstream of the highway bridge  stabilisation of the creek floodway with rock and revegetation downstream of the detention basin  securing of funding from the SEQ Council of Mayors through the Resilient Rivers Initiative for targeted revegetation of the midslopes, to assist with flood resilience and salinity to be delivered alongside private landholders  several landholder workshops focusing on salinity and paddock/grazing management with the local community.

Work continues in the catchment and does so with the support and assistance of the local community.

37 Figure 9 presents the many waterway sub- This section of the Waterway Health Strategy catchments within the Ipswich City Council LGA Background Report presents a summary of the current including those within the Bremer River catchment condition of these sub-catchments. Refer to the and sections of the Lockyer Creek, Mid Brisbane and Waterway Health Strategy 2020 for information on Lower Brisbane River catchments. targeted actions for each sub-catchment.

FIGURE 9 – Catchments and sub-catchments within the Ipswich City Council boundary

38 BREMER RIVER CATCHMENT FIGURE 10 – Bremer River Catchment and Sub-Catchments The Bremer River Catchment covers a total area of 2028km2 and flows through the Scenic Rim and Ipswich local government areas. It is comprised of the following sub-catchments:  Bremer River (estuary)  Bremer River (freshwater)  Bundamba Creek  Deebing Creek  Franklin Vale Creek  Iron Pot Creek  Mihi Creek  Sandy Creek (Tivoli)  Purga Creek  Warrill Creek  Western Creek.

39 BREMER RIVER (ESTUARY)

The Bremer River is a major tributary of Brisbane River, whose confluence is to the east of Ipswich.

Lower reach adjacent landuses includes large lot residential business and industry

Upper reach adjacent landuses Poor water exchange includes urban, commercial and and pollutant flushing Counc recreation/open space il boundary with the Brisbane River

Sub-catchment boundary Brisbane Warre go Hig hway River

Bremer River Ipswich

CBD

Bundamba Advanced Riverheart Wastewater Parklands Treatment Plant

1974 flood 2011 flood

MANAGEMENT THEME CURRENT CONDITION

Channel  Channel form is variable with major instabilities in the CBD area  Limited aquatic habitat provided and native and introduced fish species identified in fish surveys  Poor water quality due to very low levels of compliance with water quality objectives  Wastewater treatment plants including at Bundamba have licenced discharge points directly into the Bremer River  Tidal influences from the Brisbane River reach about 19km upstream.

Riparian  Variable riparian condition due to a range of vegetation widths, however longitudinal connectivity is generally maintained.

Floodplain  Consists of a mix of land uses including urban, industrial, commercial, parks and sports grounds and bushland  Wetlands mapped in this catchment have been heavily impacted.

Community  Accessible to the community with about 6.8km adjacent to public parks and reserves  The Bremer Catchment Association and Ipswich Rivers Improvement Trust have undertaken works in the past  There are a number of voluntary environmental agreements with private landholders.

40 BREMER RIVER (FRESHWATER) The freshwater sub-catchment arises in the Main Range National Park (World Heritage Area) and enters the Bremer River estuarine section at West Ipswich.

Bremer River Amberley

1974 flood Future urban area of Walloon/Thagoona

Sub-catchment boundary

2011 Mining, urban Threatened flood areas and RAAF vegetation Planned Southern base Amberley Freight Rail corridor in lower reaches

High value wetlands in subcatchment ry Coun a cil bound nd ary ou t b en hm tc ca b- Su

MANAGEMENT THEME CURRENT CONDITION

Channel  Channel form is generally stable with areas that have been impacted by cattle  Moderate aquatic habitat with native and introduced fish species identified in fish surveys  Good water quality condition  Waterway contains pools connected by meandering channels. During extended dry periods, connectivity is reduced within the channel with the formation of isolated pools.

Riparian  Variable riparian condition with many areas having been cleared in the past and a presence of weeds.

Floodplain  Floodplain mostly cleared for grazing and agriculture  Palustrine wetlands present providing important habitat and water quality improvements  Significant water resource development including farm dams and mining voids reducing floodplain connectivity.

Community  Majority of the waterway is adjacent to private land  A number of voluntary conservation agreements in the lower section of the catchment  The Bremer Catchment Association and Ipswich Rivers Improvement Trust have undertaken works in the past.

41 BUNDAMBA CREEK

The sub-catchment covers a total area of 114km² and arises in the Flinders-Goolman Conservation Estate, flowing into the Bremer River estuary.

MANAGEMENT THEME CURRENT CONDITION

Channel  Sections flow over bedrock which controls bed incision and provides diversity of pool, run and riffle habitats  Channel form varies with some degradation present and areas of erosive soils place waterway at high risk  Platypus detected in creek. Fish surveys identified both native and introduced fish species  Good aquatic habitat and water quality condition.

Riparian  Variable riparian condition with bushland present in the upper catchment  Riparian weed species identified across the corridor.

Floodplain  Much of the floodplain has been cleared previously for grazing with extensive urban development planned  Wetland systems identified including Daly’s (Bundamba) Lagoon  Significant water resource development including farm dams and mining voids reducing floodplain connectivity.

Community  Evelyn Dodds Cultural Reserve is an important cultural site for local Indigenous peoples  Currently a mix of private and public land with corridor planned to be a major linear open space in the future  A number of voluntary conservation agreements, especially in the upper catchment  The community has been active in creating a plan for the corridor and delivering on-ground works, including revegetation and weed management activities.

Darter Sun Bathing by L Hardwick Duck Reflection by S Smolenski Ipswich Enviroplan Photo Competition Ipswich Enviroplan Photo Competition

42 BUNDAMBA CREEK

1974 flood

Bremer River

Bundamba Creek 2011 flood

Evelyn Dodds Cultural Reserve y hwa Hig ham ing nn Cu Swanback Power Station

Ripley Valley urban Industrial development investigation areas area Industrial buffer areas

Some reaches with good riparian Ripley condition Valley Daleys Lagoon

Parks and reserves

y ar nd Some areas of ou t b poor stream en m stability in the h c t upper catchment a c - Coun b cil bound u ary S

43 DEEBING CREEK

The sub-catchment headwaters arise in the Grampian Hills and flow into the freshwater section of the Bremer River, near One Mile Bridge in West Ipswich.

University Campus Deebing Creek

Denmark Hill Conservation Flying fox Reserve community

Areas of very poor stream stability in middle reaches Some reaches with good riparian Significant condition future urban S u expansion b -c a tc h m e n t b Large areas of o u n forest in the d a upper catchment r y

MANAGEMENT THEME CURRENT CONDITION

Channel  Channel form is predominately natural although some concrete sections in urban area  Some major erosion issues in the upper catchment area  Major sand slug is completely infilling the channel about 2km downstream of Centenary Highway  Moderate aquatic habitat provided due to good riparian vegetation cover in most areas.

Riparian  Variable riparian condition with a significant proportion in good condition.

Floodplain  About half the floodplain is currently identified as bushland with the remaining floodplain containing grazing land, historic residential development, parks, golf courses and sports grounds  The area faces significant changes as part of the Ripley Valley urban development.

Community  Connected to the important Indigenous cultural heritage site of Deebing Creek Mission and cemetery  Currently a mix of private and public land with corridor planned to be a major linear open space and active transport corridor in the future.

44 FRANKLIN VALE CREEK

The Franklin Vale Creek sub-catchment flows northeast to enter Western Creek at Calvert. About 90 per cent of the catchment is within Ipswich LGA.

ry da un bo cil un Co

Poor to moderate riparian condition Western Creek

Franklin Vale Creek

Ipswich Rivers Improvement Trust weed removal sites

Threatened vegetation

Bushland in steeper catchment areas

MANAGEMENT THEME CURRENT CONDITION

Channel  Single continuous channel with anabranching sections  Channel form degraded with minor instabilities in lower reaches  Erosion resulting in significant sediment sources within the Bremer Catchment.

Riparian  Poor to moderate riparian condition along the creek with some sections devoid of riparian vegetation  Creek instabilities due to removal of vegetation and stock access.

Floodplain  Majority of floodplain cleared for grazing, crops and pasture and is zoned Agricultural Land Classification – Class A and B  Wetlands are present, most of which are in good condition  Farm dams are also present throughout catchment.

Community  Registered Indigenous cultural heritage sites present throughout the sub-catchment  Creek adjacent to privately owned land  Large number of landholders have voluntary conservation agreements with council.

45 IRON POT CREEK

Iron Pot Creek is a tributary of the Bremer River and is a small 16.7km² largely urbanised sub-catchment that flows through Blacksoil, Brassall, Karrabin, Pine Mountain and Wulkuraka.

ry nda bou ncil Cou

Severe channel erosion

Wa rre go High way Urban residential Rural residential areas

Good channel condition

Several property dams

Ironpot River

Bremer River 1974 flood 2011 flood

MANAGEMENT THEME CURRENT CONDITION

Channel  Variable channel form with extensive erosion in the upper reaches and more stable channel conditions downstream with chains of ponds sections  Active incision still occurring in upper reaches which is lowering the bed level and resulting in steep, unstable banks  Good aquatic habitat present in some locations  No water quality, invertebrate or fish data available.

Riparian  Predominately in good condition providing a good buffer and longitudinal connectivity  Number of studies and works carried out including erosion and riparian works in upper reaches and weed management in lower reaches.

Floodplain  Predominately bushland with some cleared for urban, parks, sports grounds and grazing lands.

Community  About 4.5km of total 9.9km length is next to public parks and reserves, allowing community access to creek.

46 MIHI CREEK

The Mihi sub-catchment is 5.9km² in area and drains the ridgeline which separates the Bremer and Brisbane River catchments, and flows into the estuarine section of the Bremer River.

Mid Brisbane River

Council boundary

Brassall State School

The upper section of the sub-catchment Continuous is wooded but the S riparian corridor of sub-catchment is u b- variable condition predominantly urban ca tc hm en t bo Mihi Creek un da ry

2011 flood

1974 flood Bremer River

MANAGEMENT THEME CURRENT CONDITION

Channel  Variable stream condition with a mix of natural and constructed channel forms  Severe gully erosion in upper catchment  Moderate aquatic habitat present  No water quality, invertebrate or fish data available.

Riparian  Moderate riparian condition overall with good riparian condition in the upper reaches  The urban riparian zone provides good longitudinal connectivity but of limited width and dominated by weeds.

Floodplain  The floodplain is a mix of urban, parks and bushland.

Community  Anecdotal evidence suggests that Aboriginal Corroboree were held on the site that is currently Ipswich State High School  About 2.3km of the total 3.36km length of the creek is adjacent to public parks and reserves  Number of environmental partnerships that enable community-driven improvement and ownership of the waterway.

47 PURGA CREEK

Purga Creek is a major tributary of Warrill Creek, joining the waterway approximately 3km upstream of the Bremer River and Warrill Creek confluence. The sub-catchment has a total area of 227km², about half of which is within the Ipswich LGA.

2011 flood 1974 flood Bremer River Warrill Creek Cunningham Highway High value wetlands in subcatchment

Purga Moderate to poor Creek stream stability

Flinders-Goolman Conservation Estate Threatened vegetation

Moderate to

poor riparian S

u

zones in b -

rural areas c a

t

c

h

m

e n t b o u Mt Flinders nd ary

MANAGEMENT THEME CURRENT CONDITION

Channel  Moderate channel form overall with degradation present due to lack of riparian vegetation  Minor instabilities observed  Moderate aquatic habitat with good water quality  Native and introduced fish species identified in fish surveys.

Riparian  Poor riparian condition due to lack of vegetation and presence of weeds.

Floodplain  The majority of the floodplain has been cleared with mostly irrigated horticulture on the floodplains and grazing on the hillslopes  Remaining floodplain area has been identified as bushland, some of which is within Flinders-Goolman Conservation Estate and Purga Nature Reserve  There are mapped wetlands within the floodplain identified as in good condition.

Community  Majority of the waterway channel drains through privately owned land  Important Indigenous cultural heritage sites mapped in the sub-catchment.

48 SANDY CREEK (TIVOLI)

The sub-catchment covers an area of 8.7km² and flows from the ridge line which separates the Bremer and Brisbane River catchments, through the suburbs of Chuwar, Tivoli and North Tivoli into the Bremer River estuarine zone, 8km upstream of the Brisbane River confluence.

Riparian condition is moderate to good Council boundary

Channel form mostly moderate condition

Sandy Creek

S nt boundary 1974 flood ub-catchme

2011 flood

Bremer River

MANAGEMENT THEME CURRENT CONDITION

Channel  Waterway consists of both continuous and discontinuous sections of channel, which are all generally stable  Aquatic habitat is in moderate condition, with no water quality, macroinvertebrate or fish data available.

Riparian  Variable riparian conditions due to some impacts from land uses and presence of weeds.

Floodplain  Floodplain consists of mainly bushland with the remaining areas being urban and cleared grasslands  A number of water storages identified in the sub-catchment.

Community  No community access to waterway.

49 WARRILL CREEK

Warrill Creek rises in the Main Range National Park (World Heritage Area) and flows about 70km down to its confluence with the Bremer River near Amberley. Only the lower reaches are within the Ipswich LGA.

Bremer River 2011 flood 1974 flood

10 Mile Swamp

y a Planned Southern w h Freight Rail corridor ig H am ngh Cunni

y r a d n u o b

t n e Warrill m h c Creek t a -c b u S

Co Threatened uncil boundary vegetation Ebenezer Regional High value Industrial Area wetlands in sub-catchment

MANAGEMENT THEME CURRENT CONDITION

Channel  Transitions between single continuous channel and anabranching low flow channels within a wide floodplain valley  Channel bed and banks are generally stable with some localised degradation  Channel erosion outside of Ipswich LGA is generating high sediment loads which may impact pools  Moderate aquatic habitat with native fish species identified in fish surveys.

Riparian  Variable riparian condition with moderate condition riparian corridor in Warrill Creek with some clearing and weeds  Poor condition riparian corridor in Ebenezer Creek as there is limited extent of riparian vegetation due to previous mining.

Floodplain  Floodplain mostly cleared for grazing and agriculture  Remaining floodplain areas identified as bushland but negligible amount within Ipswich.  Significant water resource development including Moogerah Dam, weirs, farm dams and mining voids reducing floodplain connectivity and impact stream flow regimes and fish movements  Mapped high value wetlands.

Community  Majority of waterway is adjacent to private land  A number of voluntary environmental agreements across the catchment.

50 WESTERN CREEK

Western Creek sub-catchment headwaters arise in the Little Liverpool Range and it includes the townships of Rosewood, Calvert and Grandchester.

Planned urban development in lower catchment

Floodplain is mostly Minor instances of cleared for grazing irrigated cropping and mining

ent bounda tchm ry Rosewood -ca ub Threatened S vegetation Western River Bremer River

Ipswich Rivers Improvement Trust Co weed removal sites Council boundary uncil boundary

Rosewood Wastewater Treatment Plant

MANAGEMENT THEME CURRENT CONDITION

Channel  Minor instabilities present with cattle observed to be impacting on bank stability  Moderate aquatic habitat supporting native fish species  Good macroinvertebrate and water quality results  Rosewood Wastewater Treatment Plant discharges to Western Creek via a series of lagoons and constructed wetlands.

Riparian  Poor to moderate riparian condition with the exception of the headwaters within bushland which is in good condition  Vegetation in the remaining areas has been impacted by agricultural land uses but longitudinal connectivity has been maintained.

Floodplain  Majority of floodplain cleared for grazing, crops and pasture with remainder identified as bushland  Water storages including farm dams and mapped wetlands.

Community  Registered Indigenous cultural heritage sites, predominately in floodplains  Creek adjacent to privately owned land  Large number of voluntary conservation agreements with council.

51 MID BRISBANE RIVER CATCHMENT

The Mid Brisbane River Catchment covers a total area of 552km2 and is the primary drinking water catchment for South-East Queensland, providing water for most of Brisbane and Ipswich. It is also a key water resource for irrigation, stock grazing, passive recreational use and ecological function.

The Mid Brisbane River comprises the following sub-catchments within the Ipswich LGA boundary:  Black Snake Creek  Mid Brisbane River.

FIGURE 11 – Mid Brisbane River Catchment and Sub-Catchments

52 BLACK SNAKE CREEK

About 35km² of the the sub-catchment is within the Ipswich LGA. The creek drains the northern slopes of the rolling hills which separate the Bremer and Brisbane River catchments, and enters the Brisbane River between Wivenhoe Dam and Mt Crosby Weir.

undary nt bo hme atc b-c Su

Salinisation of surface soils on floodplain Black Snake Creek Council boundary

Threatened vegetation Warrego Highway

Marburg

Predominantly livestock grazing

Bank instabilities and poor water quality condition

Numerous large Poor riparian farm dams corridor condition

MANAGEMENT THEME CURRENT CONDITION

Channel  Channel form is highly modified and degraded and a continuous channel along much of its length due to historic channel incision  Widespread bed and bank erosion  Little aquatic habitat present  Water quality is poor with salinity and microbiological as the two key water quality issues.

Riparian  Consistently poor riparian habitat and vegetation corridor across the catchment.

Floodplain  Extensive clearing of the floodplain for grazing, crops and pasture  Significant flooding experienced and many water resource developments including farm dams and flood retention basins.

Community  Mostly private land with only a small section of the creek adjacent to public land  Number of properties with voluntary environmental agreements with council  West Moreton Landcare has completed various projects within the sub-catchment.

53 MID BRISBANE RIVER

The sub-catchment covers an area of 63km² within the Ipswich LGA out of a total sub-catchment area of 454km², and includes Sandy Creek (Pine Mountain) and Watercress Creek. It is upstream of Mt Crosby Water treatment plant offtake.

atchment boundary Sub-c

Riparian condition and channel form highly variable Sandy Creek Mid Brisbane River Br isb Voluntary Council boundary an H e conservation ig V h a w l agreements a le y y Wa rrego Highway

Land uses include Recreation bushland, grazing, value of the intensive agriculture river is high and rural residential

MANAGEMENT THEME CURRENT CONDITION

Channel  Variable channel form with some significant degradation in some areas  Moderate water quality but good presence of native fish and macroinvertebrates  Platypus sighted with evidence of healthy and breeding population.

Riparian  Generally poor riparian condition and connectivity along the main channels.

Floodplain  Floodplain predominately grassland and bushland with small area of urban development  Wivenhoe Dam and Somerset Dam have significantly altered flow regimes, with flow variability reduced.

Community  Number of public parks and reserve adjacent to the waterway  Number of voluntary conservation agreements with private landholders.

54 LOWER BRISBANE RIVER CATCHMENT

The Lower Brisbane River Catchment covers a total area of 1,195km2 and is a highly urbanised catchment with sections of the river used regularly for passive and active recreational use, including jet boating, water skiing and fishing.

It is comprised of the following sub-catchments within the Ipswich LGA:  Goodna Creek  Lower Brisbane River  Sandy Creek (Camira)  Six Mile Creek  Woogaroo Creek, including Mountain and Opossum creeks.

FIGURE 12 – Lower Brisbane River Catchment and Sub-Catchments

55 GOODNA CREEK

The Goodna Creek sub-catchment covers only 14km². The creek flows through the suburbs of Redbank Plains and Collingwood Park, before entering the Lower Brisbane River 5km downstream of the Moggill Ferry crossing.

Goodna Creek Brisbane River

1974 flood 2011 flood Industrial areas Cou Poor riparian ncil b ounda vegetation in ry downstream reaches Ipswich Motorway Goodna Sewage Plant Good aquatic Redbank habitat observed Redbank Rifle Range

Channel in moderate Goodna geomorphic condition

Channelised Good riparian sections connectivity with S ub remnant vegetation -c at ch me nt bo und ary

MANAGEMENT THEME CURRENT CONDITION

Channel  Variable channel form with a mixture of chain of ponds, constructed and continuous channels  Historic widening however current rates of erosion appear low  Good aquatic habitat present with no water quality, invertebrate or fish data available  Goodna Sewage Treatment Plant discharges directly into the Brisbane River.

Riparian  Riparian condition varies along the creek with good connectivity upstream of the Ipswich Motorway and poor vegetation cover in the lower reach.

Floodplain  Floodplain is a mix of urban, light industrial, grassland, parks, sportsgrounds and bushland  No non-riverine wetlands mapped in the sub-catchment.

Community  Indigenous artefacts have been located in the sub-catchment  About 3.3km of the creek is adjacent to public parks and reserves.

56 LOWER BRISBANE RIVER

The Lower Brisbane River is estuarine and receives flows from the Goodna, Woogaroo, Six Mile and Sandy Creek (Camira) sub-catchments.

Sub -catchment boundary

ighw Council boundary rrigo H ay l Wa gil n Ro og nectio ad M Con

Bremer River Lower Brisbane River

2011 flood 1974 flood Recreation value of the river is high

MANAGEMENT THEME CURRENT CONDITION

Channel  Variable channel form with some areas of degradation  Good to moderate water quality with risk for potential microbial pollution due to on-site sewerage systems at Riverdale Park  Moderate aquatic habitat.

Riparian  Poor riparian condition.

Floodplain  Floodplain is predominately grassland and bushland with small area of urban development  Wivenhoe Dam and Somerset Dam have significantly altered flow regimes with flow variability significantly reduced.

Community  About 7km of the waterway is adjacent to public parks and reserves with the remaining areas privately owned.

57 SANDY CREEK (CAMIRA)

The 25km² sub-catchment area within the Ipswich LGA flows through Camira and Carol Park before entering Wolston Creek.

C ouncil b oundary Sandy Creek

Highly urbanised including Carole Park Industrial Estate Riparian vegetation Carole Park generally good condition

y Some concrete a w channelised sections h ig H y r a n te n e Major channel C instabilities identified

MANAGEMENT THEME CURRENT CONDITION

Channel  Variable channel form with some concrete channel sections and areas of active erosion due to increased runoff from urbanisation  Poor aquatic habitat with no water quality, invertebrate or fish data available  Anecdotal sightings and recent detection of Platypus.

Riparian  Moderate riparian condition with good longitudinal connectivity but some weeds present.

Floodplain  Land use is a mixture of urban, light industrial (Carole Park Industrial Estate) and bushland predominantly within the Greenbank Military Camp.  Mapped palustrine wetlands in the upper sub-catchment.

Community  Registered Indigenous cultural heritage site of the Camira Bora Ring  About 1.4km of Sandy Creek’s length is adjacent to public parks and reserves  Council has a number of conservation partnerships with landholders.

58 SIX MILE CREEK

The sub-catchment covers an area of 31km². The creek flows north from the White Rock – Spring Mountain Conservation Estate and through suburban areas to join the Brisbane River downstream of Moggill Road Ferry.

Brisbane River Ipsw ich Mo Future torway industrial Six Mile zone Creek

Collingwood Threatened Disused Park vegetation mines

Redban k Plains Rd Poor riparian vegetation

Redbank Plains Channel instabilities

Centenary Highway Urban expansion

White Rock Bushland Conservation Park in upper catchment

MANAGEMENT THEME CURRENT CONDITION

Channel  Channel form and condition varies with bed and bank instabilities evident in multiple locations due to clearing of riparian vegetation and modification of channels  Moderate aquatic habitat with no water quality, macroinvertebrate or fish data available  Anecdotal sighting and recent detection of Platypus.

Riparian  Riparian condition varies with poor connectivity overall and presence of weeds  Degradation in the middle and lower reaches as a result of riparian vegetation removal, channelization and impoundments (voids from historic mine sites).

Floodplain  Floodplain is a mix of bushland, cleared grassland and urban land uses  Vegetation contains some mapped endangered communities  Water storages including large mining voids.

Community  Registered Indigenous artefacts have been located  About 7.8km of the length of Six Mile Creek is adjacent to public parks and reserves  Number of voluntary conservation partnerships with landholders. 59 WOOGAROO CREEK

The sub-catchment area of Woogaroo Creek and its tributaries, Mountain Creek and Opossum Creek, covers 65km² within the Ipswich LGA. The creek headwaters arise in the White Rock – Spring Mountain Conservation Estate.

Brisbane River Ipswich Motorway 2011 flood Goodna 1974 flood Woogaroo Creek

Channel erosion along Redbank Woogaroo Creek Plains

Constructed A u Opossum channels in g u urban zone in s Creek ta poor condition P ar kw ay Springfield Lakes Large online Mountain Creek impoundment on Opossum Creek Water in good condition in upper reaches

Co uncil boundary

ary Greater Springfield und bo urban development ment Sub-catch expansion

MANAGEMENT THEME CURRENT CONDITION

Channel  Variable channel form with upper reaches in good condition and some modifications and instabilities in urbanised areas  Moderate aquatic habitat present overall, although poor condition in the constructed channels in the urban zone  No water quality, invertebrate or fish data available  Platypus sighted and detected.

Riparian  Good riparian condition overall with good cover and connectivity along the creek but weeds are present.

Floodplain  Floodplain consists mostly of grassland and bushland and only a small area of urban land uses.

Community  Registered Indigenous cultural heritage sites identified and large number of artefacts located near Mountain Creek  About 20km of waterways adjacent to public parks and reserves  A number of council partnerships with landholders and community-driven initiatives.

60 LOCKYER CREEK CATCHMENT

The Lockyer Creek Catchment covers a total area of 2,974km2 and as a whole has the highest proportion of land used for intensive agriculture in South-East Queensland. Only a small portion of the upper reaches of the sub-catchment (which includes Woolshed and Plain Creeks) are located in the Ipswich LGA.

FIGURE 13 – Lockyer Creek Catchment

61 LOCKYER CREEK

Only the upper reaches of Woolshed and Plain Creeks have a partial area within the Ipswich LGA. The headwaters of these creeks rise in the Little Liverpool Range and cover 38km² within the Ipswich LGA before they continue to flow north into the Lockyer Valley Regional Council area.

Plain Creek Riparian vegetation poor to moderate Council boundary

Woolshed Headwaters Creek rise in the Little Liverpool Range Extensively ndary Sub-catchment bou cleared for livestock grazing

Significant salinity Numerous water impoundments

Bushland areas

MANAGEMENT THEME CURRENT CONDITION

Channel  Woolshed Creek is a continuous channel with minor instabilities, while Plain Creek is a continuous, sinuous channel  Variable channel form with widespread degradation due to stock impacts and lack of riparian vegetation  Variable aquatic habitat condition with only six species of native fish identified in Woolshed Creek  Macroinvertebrates and water quality in moderate condition with extremely high salinity measurements.

Riparian  Riparian corridor in moderate condition in Woolshed Creek and poor condition in Plain Creek.

Floodplain  Floodplain predominately grazing and bushland.

Community  Waterway mostly flows through private land except for a section of Woolshed Creek which drains through Mount Grandchester Conservation Estate  A number of voluntary conservation agreements with landholders.

62 APPENDICES

63 APPENDIX A – WQOs AND EVs FOR IPSWICH WATERWAYS

TABLE A1 – Bremer River WQOs

Parameter Unit Scheduled WQOs – Bremer River

Mid estuary Upper estuary Lowland Upland FW lakes / freshwater freshwater reservoirs

Turbidity NTU <8 <25 <17 (<5 for <17 (<5 for 1–20 Warrill Ck) Warrill Ck)

SS mg/L <20 <25 <6 <6

Chl A µg/L <4 <8 <5 <2 <5

TN µg/L <300 <450 <500 <250 <350

TP µg/L <25 <30 <50 <30 <10

DO (20th – % sat 85–105 80–105 85–110 90–110 90–110 80th percentile)

pH 7.0–8.4 7.0–8.4 6.5–8.0 6.5–8.2 6.5–8.0

Cond µS/cm <770 (<500 for <770 (<500 for Warrill Ck) Warrill Ck)

Secchi (20th m >1.0 >0.5 percentile)

TABLE A2 – Brisbane River WQOs

Parameter Unit Scheduled WQOs – Scheduled WQOs – Mid Brisbane River Mid Brisbane River

Upland Lowland Upper estuary Middle estuary Lowland freshwater freshwater freshwater

Turbidity NTU <5 <5 <25 <8 <50

SS mg/L <6 <6 <25 <20 <6

Chl A µg/L <2 <5 <8 <4 <5

TN µg/L <250 <500 <450 <300 <500

TP µg/L <30 <30 <30 <25 <50

DO (20th – % sat 90–110 85–110 85–105 85–105 85–110 80th percentile)

pH 6.5–8.2 6.5–8.0 7.4–8.4 7.0–8.4 6.5–8.0

Cond µS/cm <380 <380 <600

Secchi (20th m >0.5 >1.0 percentile)

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! r e r e e a e it

! a c ti r u to the Environmental Protection (Water) Policy 2009.

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! i e WQ1421 ! o a n l n t V ! io a WQ1423 n lu WQ1433 ! e Mapped Area ! ! s BRISBANE

! WQ1431 TOOWOOMBA ! WQ1453 ! WQ1437 ! ! WQ1435

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Tow! n Water Types !

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! Marine / estuarine waters

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! ! WQ1455

! Middle estuary WQ1463

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! Sub-catchment boundary GOLD ! !

! WQ1454 COAST ! ! Upper estuary

! Boundary of waters covered by the scheduling document WQ1461 !

! Freshwaters ! WQ1464 ! ! WARWICK

! Local government boundary Lowland freshwaters

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! !

! ! !

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Management Intent for Waters Wallum / tannin freshwaters 0 Kilometres 50 ! !

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! MURWILLUMBAH ! ! High ecological value freshwaters (maintain) ! Coastal freshwaters

! Highly disturbed freshwaters (achieve) Projection: Map Grid of Australia (MGA) Zone 56

Upland freshwaters Disclaimer !

! Lakes / reservoirs Horizontal Datum: Geocentric Datum of Australia 1994 (GDA94) Whilst every care is taken to ensure the accuracy of this product, the Department of

!

! Environment and Resource Management makes no representations or warranties about its !

! accuracy, reliability, completeness or suitability for any particular purpose and disclaims

! all responsibility and all liability (including without limitation, liability in negligence) for all

! !

! 0 5 10 15 20 expenses, losses, damages (including indirect or consequential damage) and costs which

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! you may incur as a result of the product being inaccurate or incomplete in any way !

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! Kilometres

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! Includes GEODATA product © Commonwealth of Australia (Geoscience Australia) 2010.

Areas of the catchment that are not shown on this map as having a management intent of high ecological values,

! Note for users: ! !

! slightly disturbed or highly disturbed, have a management intent of moderately disturbed.

! !

!

! Scale of 1:150,000 when printed @ A1 © The State of Queensland (Department of Environment and Resource Management) 2010

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FIGURE A2 – Brisbane River mid (below) and Brisbane River estuary (page ! 67) EVs and key identifying location

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! n S W l Environmental Protection (Water) Policy 2009 ! ! c u GYMPIE ! ti io c n ! t a a k a a Queensland

! WQ1401 !

m c ! u ig r o u m

! q rr a t q u ! A I F S A H !

! ! South-east Queensland Map Series WQ1381 ! !

!

! ! !

!

! ! ! ! ! KINGAROY

! WQ1411

! ! ! PLAN WQ1433 NAMBOUR !

!

! !

! ! ! WQ1412 !

!

! !

! Publication date: July 2010

! !

! !

!

! WQ1413 ! !

! !

! !

! !

! !

! !

!

! WQ1439

! !

! !

!

P S V D I C !

!

n ! ! !

!

!

r e i r u WQ1438 !

! !

!

s d !

!

i i !

! ! !

m c u n u l !

!

t !

!

o k u !

!

! a a s !

! !

!

n !

!

l i t r !

! r n r a WQ1422 ! y d g i l This plan forms part of the Brisbane River Environmental Values and

! ! a R a ! r l & ! ! R y e

e c W U S Water Quality Objectives scheduling document, prepared pursuant ! r a p WQ1441 ! ! c R e s Mapped Area WQ1421

re e a te e ir ! c t r it ! ! a io u to the Environmental Protection (Water) Policy 2009.

ti re a ! o a n l WQ1431 ! ! n V

ti a WQ1423 ! o !

! n lu

!

! e ! ! WQ1433 ! ! s

BRISBANE

! !

! !

TOOWOOMBA WQ1453 ! ! ! ! WQ1437 IPSWICH

WQ1434

! !

!

! !

! Legend

! WQ1435 !

! WQ1465

! Town WQ1436 ! Water Types !

! ! WQ1462 !

! River / creek Marine / estuarine waters ! WQ1455 !

! Middle estuary WQ1463 ! Sub-catchment boundary !

! WQ1454 GOLD COAST ! ! Upper estuary !

!

! WQ1461 ! ! !

! ! ! !

!

Boundary of waters covered by the scheduling document !

! !

! !

! !

WQ1464 ! Freshwaters ! !

! ! WARWICK !

! !

! Local government boundary !

!

! ! !

! !

!

Lowland freshwaters !

! !

! !

! !

!

! ! ! !

! ! !

! ! ! !

! !

! ! ! ´ !

! Wallum / tannin freshwaters Kilometres !

0 50 ! !

! ! ! Management Intent for Waters !

! !

!

MURWILLUMBAH ! ! !

! !

! !

! !

! ! ! !

! !

! !

! ! !

! High ecological value freshwaters (maintain) Coastal freshwaters

! !

! ! !

!

!

! ! ! Highly disturbed freshwaters (achieve) Projection: Map Grid of Australia (MGA) Zone 56 ! Upland freshwaters

! Disclaimer

! !

! Lakes / reservoirs Whilst every care is taken to ensure the accuracy of this product, the Department of ! Horizontal Datum: Geocentric Datum of Australia 1994 (GDA94) !

! Environment and Resource Management makes no representations or warranties about its

! !

! !

accuracy, reliability, completeness or suitability fo! r any particular purpose and disclaims

! all responsibility and all liability (including without limitation, liability in negligence) for all

! ! !

! 0 2 4 6 8 10 expenses, losses, damages (including indirect or consequential damage) and costs which

! ! !

! you may incur as a result of the product being inaccurate or incomplete in any way

! ! !

! and for any reason. !

Kilometres ! !

! Includes GEODATA product © Commonwealth of Australia (Geoscience Australia) 2010. !

Areas of the catchment that are not shown on this map as having a management intent of high ecological values, !

!

! Note for users:

! ! !

! slightly disturbed or highly disturbed, have a management intent of moderately disturbed. Scale of 1:75,000 when printed @ A1 © The State of Queensland (Department of Environment and Resource Management) 2010

! !

! ! !

!

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B R I S B A N E R I V E R , I N C L U D I N G A L L T R I B U T A R I E S O F T H E B R I S B A N E R I V E R , O T H E! R T H A N B R E M E R R I V E R ,

!

! !

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! !

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! !

L O C K Y E R C R E E K , O X L E Y C R E E K A N D S T A N L E Y R I V E R - B R I S B! A N E R I V E R E S T U A R Y !

Part of Basin 143 !

! !

152°50'E 153°E ! 153°10'E

! ! ! ! ! ! ! !

! ! ! ! !

! ! LAWNTON

! ! Pine River

!

!

!

!

! ! KOBBLE ! ! Users must refer to plan WQ1441

! !

! !

CREEK !

SAMSONVALE CASHMERE BRAY PARK ! for information on waters within ! ! !

!

!

! ! ! the Moreton Bay region. ! !

!

! !

! !

!

STRATHPINE ! !

! !

BRIGHTON !

! ! ! ! ! ! ! ! !

! ! ! Tinchi Tamba MOUNT BALD Wetlands ! SAMSON !

! ! ! !

! HILLS

!

! !

!

! !

! !

!

! !

!

! !

SANDGATE !

! !

! !

! Moreton

!

!

CLEAR ! ! ! ! MOUNTAIN !

! !

! ! ! BRACKEN

WARNER BRENDALE ! ! ! Bay CLOSEBURN ! RIDGE DEAGON !

!

! ! !

!

!

!

!

! !

! S S ' '

! ! 0 ! 0 ! ! ! 2 2 MOUNT ! ! ° ° ! CEDAR CREEK !

GLORIOUS 7 ! 7 r ! e !

! 2 2 iv ! R ! ! ne FITZGIBBON ! ! i !

P ! !

!

! h ! YUGAR t ! u !

! o S !

TAIGUM !

!

! ! Boondall !

CARSELDINE ! ! !

! BRIDGEMAN Wetlands ! ! ! W2 ! !

! DOWNS BOONDALL !

! ! !

!

! !

!

! ! ! !

! !

! ! ! ! !

! !

! !

!

! ! ! !

!

! ! ! ! NUDGEE !

! ! !

! !

! ! BEACH

! ALBANY ZILLMERE ! ! ! ! !

CREEK ! ! MORETON BAY ! ! !

! ! !

!

! DRAPER !

!

! !

!

! !

! ! !

REGIONAL ! !

! SAMFORD !

! ! !

! !

! VALLEY ! ! !

!

! ! ASPLEY

MOUNT

COUNCIL !

! ! ! NEBO BUNYA GEEBUNG ! ! NUDGEE ! ! !

! ! !

! PORT OF !

! ! ! ! Brisbane River Estuary PINKENBA ! BRISBANE

!

estuarine and enclosed coastal ! ! ! ! HIGHVALE ! !

! !

!

! !

! !

!

BANYO !

! ! !

! Users must refer to Table 1 CHERMSIDE ! !

! ! ! ! WEST !

! ! ! of the scheduling document ! !

CHERMSIDE Boggy Creek !

! !

! !

! estuarine and enclosed coastal ! ! ! ! ! ! ! ! for Environmental Values for ! ! ! WIGHTS ! ! ! ! ! !

WAVELL ! ! MOUNTAIN ! ! ! !

! !

! ! ! ! ! waters covered by this plan. HEIGHTS NORTHGATE !

! !

! ! ! !

! CAMP ! !

! ! ! !

EAGLE ! !

! !

! ! !

! ! ! MOUNTAIN ! ! !

! ! STAFFORD

! !

!

! ! ! FARM ! ! W1 ! !

!

! ! !

! ! HEIGHTS ! ! ! !

! ! !

! ! ! ! ! !

! KEDRON ! ! ! ! ! ! ! ! ! ! !

! ! ! ! ! ! ! !

!

! ! ! ! !

! ! NUNDAH ! ! ! ! ! ! ! ! FERNY

! ! ! ! ! ! ! ! ! ! ! ! !

! ! ! ! ! ! Enoggera Creek ! GROVE ! ! ! !

! ! ! !

! !

! ! freshwater ! ! ! ! Perrin Creek

! ! ! Fis! h Creek ! !

! ! Breakfast Creek ! !

! estuarine and enclosed coastal

! ! freshwater ! ! ! ! ! ! ! estuarine ! !

! ! !

Enoggera Reservoir ! ! !

! !

! ! ! ! ! ! ! ! ! ! MITCHELTON ! ! ! freshwater !

! ! ! Ithaca Creek ! !

! KEPERRA ! ! ! ! ! ! ! ! ! Perrin Creek ! ! ! !

! ! ! ! ! CLAYFIELD ! freshwater ! ! !

! ! ! !

! ! ! ! freshwater ! ! ! ! ! ! !

! ! ! ! ! ! ! !

! ! !

! ! !

! ! ! ! ! ! ! HENDRA

! ! ! ! ! !

!

! ! !

GRANGE ! !

LYTTON ! ! !

! ! !

ENOGGERA ! ! !

! ! ! ! ! UPPER ! ! !

E1 ! !

! ! ! ! ! ! KEDRON ! ! !

! !

! !

ASCOT ! ! !

! !

!

! !

! ! !

! ! !

! !

! ! NEWMARKET !

! !

! !

! ! WINDSOR !

! !

Crab Creek !

!

! ! !

! ! !

!

estuarine and enclosed coastal ! ! ! ! ! !

! ! ! ! THE BOWEN B ! ASHGROVE r !

i ! ! ! LAKE MANCHESTER ! s ! b ! HILLS ! GAP a ! !

KELVIN !

! n HEMMANT ! HERSTON !

! e !

GROVE ! !

!

E1 BULIMBA R i v e r WYNNUM !

! !

! !

RED NEWSTEAD !

!

!

HILL ! !

! !

!

! ! !

FORTITUDE !

MURARRIE !

!

! VALLEY ! !

! !

! BARDON ! ! SPRING ! ! ! PADDINGTON !

HILL !

Gold Creek !

!

! ! freshwater ! !

!

!

!

!

MANLY ! !

! ! ! ! ! NEW ! ! BRISBANE MORNINGSIDE WEST !

FARM ! !

MOUNT LOTA !

! ! Gap Creek COOT-THA !

AUCHENFLOWER !

freshwater ! !

BROOKFIELD TINGALPA !

!

! !

!

! !

!

WAKERLEY !

! !

UPPER ! ! BROOKFIELD TOOWONG WEST EAST !

END BRISBANE ! ! Moggill Creek ! THORNESIDE freshwater CARINA Bulimba Creek Lower ! !

estuarine ! !

! !

!

!

WOOLLOONGABBA !

! !

! !

KENMORE BRISBANE CITY GUMDALE !

! ! ! S S ' ' HILLS

!

! ! 0

0 ST LUCIA !

Kholo Creek 3 3

! ! !

! ! ° ° COUNCIL COORPAROO

7

7 ! !

freshwater !

! ! ! 2 2

! !

! ! ! INDOOROOPILLY BIRKDALE

!

!

! ! !

! CAMP FAIRFIELD !

HILL CARINDALE !

CHAPEL !

! !

!

HILL CARINA !

!

! !

GREENSLOPES HEIGHTS CHANDLER ! !

! ! !

! YERONGA

KHOLO !

! !

! CHELMER !

! !

! !

! ! !

! !

! !

! !

! !

! !

! ! !

Bulimba Creek !

! !

! !

PULLENVALE KENMORE HOLLAND freshwater !

! !

! ! PARK ! ANNERLEY BELMONT !

! ! ! ! ! MOUNT ! ! E1

CROSBY HOLLAND ! !

! PARK

! !

MOUNT !

! Witton Creek !

!

! WEST !

! !

! !

! ! GRAVATT

! ! ! !

! freshwater Sandy Creek

!

! !

!

! EAST

! !

! !

freshwater !

! PINJARRA !

! !

! HILLS ! ! MOUNT !

TARRAGINDI ! ! ! ! FIG GRAVATT ! Cubberla Creek !

! !

!

! ! TREE ! Toowong Creek MANSFIELD ! estuarine !

KARANA POCKET Tingalpa ! !

! ! !

! freshwater ! DOWNS ! !

Reservoir !

ANSTEAD !

! ! CORINDA

! !

! MOUNT

!

! !

! ! !

! ! !

! OMMANEY !

! WESTLAKE Norman Creek

! !

Cubberla Creek ! ! !

!

!

! ! estuarine

! !

! ! !

! freshwater ! ! ! ! !

! MIDDLE UPPER REDLAND

! !

! ! !

! NATHAN !

! PARK SALISBURY MOUNT !

! ! ! !

!

! !

! !

! !

! ! !

! !

!

! GRAVATT WISHART

! ! ! ! !

JAMBOREE !

! !

! ! ! !

!

! ! ROCKLEA

! ! ! !

! !

! !

! !

! HEIGHTS CITY

!

! !

! !

!

! !

! !

! !

!

! Norman Creek

! ! !

! ! ! ! !

RIVERHILLS !

! !

! ! !

! freshwater

! !

! !

! COUNCIL !

! BELLBOWRIE SUMNER ROBERTSON

CHUWAR ! Jindalee Creek ! !

!

! !

! ! ! !

! !

! ! ! !

!

! freshwater

! !

MACGREGOR !

! !

! ! !

! Farm Creek DARRA COOPERS ! Little Ugly Creek ! ARCHERFIELD OXLEY PLAINS !

freshwater !

!

freshwater ! !

ROCHEDALE !

! !

! !

! !

! MOGGILL BURBANK ! Pullen Pullen Creek Moggill Creek !

BARELLAN SUNNYBANK !

! ! !

! estuarine !

POINT ! freshwater EIGHT !

!

NORTH !

!

! ! !

! MILE PLAINS !

TIVOLI !

! ! ! !

! ACACIA

! ! !

! RIDGE

! !

! !

! ! WACOL

B R ! DURACK !

r r ! ! em !

e iv ! !

e RIVERVIEW !

!

r ! ! !

! ! ! !

! !

! ! ! !

! !

!

RICHLANDS !

!

! ! ! !

! !

!

! Bellbowrie Creek

!

! SHELDON

! !

! ! ! !

! !

! ! !

! !

! !

!

! ! ! ! !

freshwater !

! !

! !

! !

! !

! !

! !

! !

! !

REDBANK ! ! !

! !

! !

! !

! !

! !

! !

! !

! ! ! !

!

! ! ! ! !

DINMORE ! ROCHEDALE ! !

! !

! !

! ! !

WILLAWONG RUNCORN SOUTH !

! !

!

! !

! ! !

! ! !

! !

!

! ! !

INALA SUNNYBANK !

! !

NORTH ! PRIESTDALE ! ! KURABY

!

BUNDAMBA ! !

! ! ! ! !

! HILLS

! !

! !

! !

! !

! !

!

BOOVAL !

!

! ! ! !

! !

EBBW !

!

!

! ! !

VALE ! !

GAILES

! !

UNDERWOOD ! !

GOODNA ALGESTER ! ! !

! CAROLE

! !

! !

! !

PARK ! !

BOOVAL !

! !

DOOLANDELLA !

! !

! !

! !

! !

!

NEW ELLEN !

!

! ! !

! GROVE !

CHUM PALLARA !

COLLINGWOOD !

! ! !

! !

PARK !

! ! !

! !

SILKSTONE ! !

FOREST !

! !

! !

! !

LAKE CALAMVALE !

! !

! !

! !

! !

!

STRETTON ! !

! MOUNT !

!

!

! WOODRIDGE !

! COTTON ! !

!

! !

! !

! !

! !

! ! !

BELLBIRD !

! !

!

! KARAWATHA !

!

! !

! !

!

! ! !

! ! ! !

IPSWICH CITY PARK !

! !

!

! !

! !

! ! !

! PARKINSON !

! DAISY

! !

BLACKSTONE ! !

! !

! !

! ! HILL CAMIRA ! ! COUNCIL ! !

! ! !

RACEVIEW ! !

! ! LOGAN ! !

! ! LOGAN

! !

!

CENTRAL !

! !

! !

! !

! !

! y !

! ! ! ! !

l ! HEATHWOOD !

l !

! ! ! ! !

u CITY !

! ! !

! !

! !

! ! ! ! ! !

G DREWVALE !

!

! ! !

! ! k ! !

c ! ! !

!

LARAPINTA !

! !

!

a ! !

! ! ! FLINDERS ! ! !

!

J !

! !

! ! ! !

!

! SHAILER ! ! !

VIEW ! COUNCIL !

SPRINGFIELD !

y ! ! !

! !

!

! ! !

GREENBANK ! PARK

! !

! p ! !

! !

! !

! !

! !

!

p !

! !

!

! BERRINBA !

! !

! !

!

REDBANK a !

! ! ! ! ! ! !

! ! !

! !

!

H ! ! ! !

! ! PLAINS !

!

! !

! ! ! !

! !

! !

! !

! !

! ! BROWNS KINGSTON !

! FORESTDALE ! AUGUSTINE PLAINS CORNUBIA ! ! S S

! '

' HEIGHTS MEADOWBROOK !

0

0

! !

! 4 4

°

°

! ! Note: Areas outside of the waters covered by the scheduling ! 7 7 BROOKWATER HILLCREST ! 2 2

R ! !

document have a transparent mask applied over them and ! ! n !

a i v !

REGENTS ! ! appear lighter in colour. Please refer to the relevant plan for ! g PARK o e !

MARSDEN LOGANLEA L r ! !

information on adjacent areas. ! !

RIPLEY !

!

! !

! !

!

! !

! !

152°50'E 153°E 153°10'E !

!

! !

! !

!

! !

! !

!

! ! !

! ! ! ! !

!

!

! !

! !

! ! s ! Location Map WQ1402

Key to Environmental Values m r ! ! te e !

s m ! ! y u ! s y r s

l ! ! o p e n !

c p t re o

a !

!

E C !

! ! !

u u !

!

t !

!

n W l ! !

!

S ! Environmental Protection (Water) Policy 2009

! ! !

! GYMPIE

!

!

c o u n ! !

i i ! !

!

!

t t c ! !

k a ! !

a a ! !

a ! WQ1401 ! m c ! u g r u m Queensland !

q ri a to q u

! r !

A I F S A H !

WQ1381

! !

South-east Queensland Map Series !

! !

!

! !

! !

KINGAROY WQ1411

! ! PLAN WQ1431 !

NAMBOUR!

! !

!

! !

WQ1412 !

! !

!

Publication date: July 2010 ! !

! WQ1413

! !

! WQ1439

! ! P S V D In C !

ri e is ri d u WQ1438 ! m c u n u l ! o a k s tu

a n l i t r ! r n r ! a y d g ia l This plan forms part of the Brisbane River Environmental Values and WQ1422

a R l & ! r ! R y e W

e c U S Water Quality Objectives scheduling document, prepared pursuant !

c R r a s ! p WQ1441 ! e !

!

! i

!

! r t Mapped Area !

e ! r

!

! a e !

e e ! i ! ! a c ti r tu to the Environmental Protection (Water) Policy 2009.

t! r o a !

io e n ! WQ1421 !

! a l

!

n ! V

! ! !

!

t !

! ! !

! WQ1423

! ! !

! i !

! a WQ1453 !

! o !

! l !

! n

! ! u

!

! e !

! !

! !

! !

! ! ! ! ! !

! ! BRISBANE

! ! ! ! s

!

! !

! !

! ! ! ! WQ1433 WQ1431

! !

! TOOWOOMBA ! ! ! WQ1437 !

IPSWICH WQ1435

! ! !

Legend ! WQ1434 !

! WQ1436 WQ1465 !

River / creek ! Water Types

! !

Coastline Marine / estuarine waters WQ1462 !

! WQ1463 ! ! WQ1455 Open coastal waters GOLD

Sub-catchment boundary ! ! ! COAST

Enclosed coastal / lower estuary WQ1454 !

Boundary of waters! covered by the scheduling document WQ1461 ! ! Middle estuary ! WQ1464 ! ! WARWICK ! Local government bou!ndary Upper estuary ´ ! Management Intent for Waters Tidal canals / constructed estuaries / 0 Kilometres 50 MURWILLUMBAH High ecological value freshwaters (maintain) marinas / boat harbours High ecological value marine / estuarine waters (maintain) Freshwaters Projection: Map Grid of Australia (MGA) Zone 56 Lowland freshwaters Disclaimer High ecological value marine / estuarine waters (achieve) Horizontal Datum: Geocentric Datum of Australia 1994 (GDA94) Whilst every care is taken to ensure the accuracy of this product, the Department of Wallum / tannin freshwaters Environment and Resource Management makes no representations or warranties about its Moreton Bay sub-zones accuracy, reliability, completeness or suitability for any particular purpose and disclaims Coastal freshwaters all responsibility and all liability (including without limitation, liability in negligence) for all Upland freshwaters 0 2 4 6 8 10 expenses, losses, damages (including indirect or consequential damage) and costs which you may incur as a result of the product being inaccurate or incomplete in any way Lakes / reservoirs Kilometres and for any reason. Includes GEODATA product © Commonwealth of Australia (Geoscience Australia) 2010. Note for users: Areas of the catchment that are not shown on this map as having a management intent of high ecological values, slightly disturbed or highly disturbed, have a management intent of moderately disturbed. Scale of 1:80,000 when printed @ A1 © The State of Queensland (Department of Environment and Resource Management) 2010

67 Lockyer Creek WQOs

TABLE A3 – !

! !

!

!

!

! !

! !

! !

! !

!

!

!

Parameter Unit Scheduled WQO’s – Lockyer Creek !

! !

!

!

!

! !

! !

! ! !

Upland freshwater Lowland freshwater !

! !

! !

! !

!

! !

!

! !

!

! ! ! !

<5 <6 ! !

Turbidity NTU !

! !

! !

! !

!

! !

!

! !

! !

! !

! !

! !

! !

! ! !

!

! !

!

! ! !

!

! !

! <6 <6 !

SS mg/L !

! ! !

! !

!

! !

! ! !

! ! ! !

! !

!

!

! !

!

!

!

! ! ! ! ! Chl A µg/L <2 <5 !

!

! !

! !

! ! ! ! !

!

! !

! ! ! !

!

! ! ! !

!

! !

! !

! ! !

! !

! !

! !

! ! !

!

! !

!

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! ! ! ! ! document have a transparent mask applied over them and REGIONAL COUNCIL s ! S ! ! ! Cr ! e ee d

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! ! ! ! l ! ! p !

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S appear lighter in colour. Please refer to the relevant plan for ! m ! re n

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! ! C e 2 ° k ! y ! y ! ! ! ! r ! l n e ! 8 n ! a ! ! information on adjacent areas. R ! !

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! ti ti c !

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! ! South-east Queensland Map Ser! ies

! WQ1381

!

!

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! ! ! ! KINGAROY WQ1411

! PLAN WQ1437 ! ! ! NAMBOUR ! ! ! ! ! ! !

! ! ! WQ1412

!

! ! ! ! Publication date: July 2010

! WQ1413

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y d g ia l This plan forms part of the Lockyer Creek Environmental Values and! ! a R & ! ! r l R y e W ! e c U S Water Quality Objectives scheduling document, prepared pursuant ! r p c R e a s ! Mapped Area re e a te e ir WQ1441 ! it a c t r u to the Environmental Protection (Water) Policy 2009. !

t r io a !

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ti WQ1423 ! ! a o ! n lu

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s BRISBANE

! ! ! ! WQ1433 WQ1431

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! TOOWOOMBA WQ1453 ! ! WQ1437 ! WQ1434

! IPSWICH Legend !

! WQ1436 WQ1435 !

! Town Water Types ! WQ1465 !

! WQ1462 !

River / creek Freshwaters ! !

! WQ1455

!

! WQ1463

! ! ! ! !

Lowland freshwaters !

Sub-catchment boundary GOLD ! ! COAST ! Wallum / tannin freshwaters WQ1454 Boundary of waters covered by the scheduling document ! WQ1461

! Coastal freshwaters ! WQ1464

! ! ! WARWICK Local government boundary Upland freshwaters !

! !

´ !

Management Intent for Waters Lakes / reservoirs 0 Kilometres 50 MURWILLUMBAH

! ! !

High ecological value freshwaters (maintain) !

! !

! ! ! !

! ! !

Highly disturbed freshwaters (achieve) Projection: Map Grid of Australia (MGA) Zone 56 !

!

! Disclaimer ! Horizontal Datum: Geocentric Datum of Australia 1994 (GDA94) ! Whilst every care is taken to ensure the accuracy of this product, the Department of

! Environment and Resource Management makes no representations or warranties about its

! accuracy, reliability, completeness or suitability for any particular purpose and disclaims ! ! all responsibility and all liability (including without limitation, liability in negligence) for all 0 5 10 15 20 expenses, losses, damages (including indirect or consequential damage) and costs which you may incur as a result of the product being inaccurate or incomplete in any way Kilometres and for any reason. Includes GEODATA product © Commonwealth of Australia (Geoscience Australia) 2010. Note for users: Areas of the catchment that are not shown on this map as having a management intent of high ecological values, slightly disturbed or highly disturbed, have a management intent of moderately disturbed. Scale of 1:150,000 when printed @ A1 © The State of Queensland (Department of Environment and Resource Management) 2010

68 APPENDIX B – KEY NATIONAL AND STATE LEGISLATION RELEVANT TO WATERWAY HEALTH MANAGEMENT

Document title Description Relevance to Ipswich City Council Federal legislation

Environment Protection and conservation of nationally significant Referral agency for development Protection and ecological communities, wetlands and species, including: applications that impact on species Biodiversity world heritage properties, national heritage properties or communities listed under the Conservation (EPBC) and Ramsar wetlands. EPBC Act 1999. Act 1999

State legislation

Water Act 2000 Provides for the sustainable management of water in Council is required to develop and respect to: works for taking or interfering with water; implement operational plans that meet water allocation; and protection and improving the physical requirements of the act, such as: integrity of watercourses, lakes and springs.  Water Efficiency Management Plans The Act controls the removal of native vegetation from (WEMPs) nontidal watercourses through the Riverine Protection Permit,  Drought Management Plan. administered by DNRM&E. Includes sub-ordinate legislation:  Water Regulation 2002  Moreton Resource Plan  Resource Operations Plan  Drought Management Plans  System Leakage Management Plans.

Environmental Protection and control of degradation and Queensland’s Council is required to develop plans Protection Act 1994 environment, encompassing the principles of Ecologically and address compliance to the Act, Sustainable Development. through regulatory enforcement of Environmentally Relevant Activities Includes sub-ordinate legislation and requirements, including: (ERAs) etc.  environmental protection policys  environmental values and water quality objectives  state of the environment reporting.

Nature Conservation Provides a framework for identifying, gazetting and Council’s Nature Conservation Strategy Act 1992 managing protected areas to maintain natural conditions, sets the direction for the protection and and provides a list of faunal and floral scheduled species. enhancement of Ipswich’s natural areas.

Vegetation Regulate the clearing of vegetation in a way that: Council meets requirements under Management Act the Act through planning codes for  conserves endangered, of concern and not of concern 1999 assessment of vegetation clearing. regional ecosystems  vegetation in declared areas  doesn’t cause land degradation  prevents loss of biodiversity  maintains ecological processes  reduce greenhouse gas emissions. Provides vegetation management codes that quantify riparian buffer widths for different water types. Sets retention of riparian vegetation and retention of clumps or corridors.

69 Document title Description Relevance to Ipswich City Council

Fisheries Act 1994 Management and protection for fish resources and Council meets requirements under the fisheries habitats. Act through referral of activities that impact on freshwater and marine fish habitats and the clearing of marine plants in tidal areas.

Coastal Protection Provides for the protection, conservation, rehabilitation Restricts the type and amount of and Management and management of the coast, coastal zone and its development within the Coastal Act 1995 resources. Includes: Management Districts. Council meets requirements under the Act through  Regional Coastal Management Plans referral of relevant development  Coastal Management Districts. applications that impact on tidal waterways.

Planning Act 2016 Provides the planning framework for ecological sustainable Council is required to develop local development across Queensland. This includes: planning instruments (planning scheme, planning scheme policies etc). This  planning includes requirements for development  development assessment to protect the natural environment, waterways and wetlands.  infrastructure (charges etc)  offences and enforcement  dispute resolution.

Biosecurity Act 2014 Provides a framework for controlling declared plants and Council’s Biosecurity Plan (2018–2023) animal pests, diseases and contaminants. sets the direction for the Management of invasive plants and animals across Ipswich. Council is responsible for controlling invasive species on council land and to work with landholders in a regulatory function.

State Planning Policy Supports the Planning Act 2016 by setting the State’s Council’s planning scheme reflects the 2017 interests that apply to planning. These state interests state interests in terms of requirements for include the following environment and heritage interests: environmental and waterway protection.  biodiversity  coastal environment  cultural heritage  water quality.

Environmental Council’s planning scheme reflects the state interests Council offsets reflects the Offsets Act 2014 in terms of requirements for environmental and Act requirements. waterway protection.

Rivers Improvement Outlines responsibilities of River Improvement Trusts Council works with the Ipswich Rivers Trust Act 1940 which are statutory bodies established to protect and Improvement Trust to undertake works improve rivers. within waterways across Ipswich.

Aboriginal Cultural Recognises, protects and conserves Aboriginal cultural Council recognises waterways and Heritage Act 2003 heritage in Queensland. wetlands have deeply embedded significant value as part of cultural landscapes and are offered protections as such.

70 APPENDIX C – REFERENCES

Australian Government (2016) Wetlands and Resilience to Natural Hazards

Australian Human Rights Commission (2008) Native Title Report

Alluvium (2014) Ipswich City Council Geomorphology and Vegetation Assessment of Waterways

Alluvium (2014) Assessing Values and Condition of Waterways in Ipswich City Council Local Government Area

Council of Mayors (2016) Mid-Brisbane Catchment Action Plan 2015–2018

CRC for Water Sensitive Cities (2014) Valuation of Economic, Social and Ecological Costs and Benefits of Strategies and Systems for Water Sensitive Cities

ESP (2017) Fish Assemblages and Waterway Health Study

FRC (2014) Fish Assemblages and Waterway Barriers in the Bremer River Catchment – Technical Report

Healthy Waterways and QUT (2016) Social Science Research Report

Ipswich City Council (2009) Waterway Health Strategy

Ipswich City Council (2010) Waterway and Channel Rehabilitation Guidelines

Ipswich City Council (2014) Open Space and Recreation Strategy

Ipswich City Council (2014) Upper Black Snake Creek Improvement Plan

Ipswich City Council (2015) Integrated Water Strategy

Ipswich City Council (2015) Nature Conservation Strategy

Ipswich City Council (2015) Ironpot Creek Corridor Plan

Ipswich City Council (2015) Bundamba Creek Corridor Plan

Ipswich City Council (2015) Advance Ipswich

Ipswich City Council (2016) Local Government Infrastructure Plan Supporting Documents Public Parks

Ipswich City Council (2017) Deebing Creek Corridor Plan

Ipswich City Council 2017–2022 Corporate Plan

Ipswich City Council Floodplain Management Strategy

Ipswich City Council Planning Scheme and Supporting Implementation Guidelines

Lakshyyata Suri (2016) An Investigation of Microbial Pollution at Recreational Water Sites within the Local Government Area of Ipswich

Marsden Jacobs Associates (2010) Managing What Matters: The Cost of Environmental Decline in South East Queensland

Nicola Clerici, Christof J. Weissteinera, Maria Luisa Paracchinia, Luigi Boschettib, Andrea Baraldib and Peter Strobla (2012)

Pan-European Distribution Modelling of Stream Riparian Zones Based on Multi-source Earth Observation Data

Queensland Government (2016) Shaping SEQ – Draft South East Queensland Regional Plan

Water by Design (2010) Business Case for Best Practice Urban Stormwater Management

71 Ipswich City Council PO Box 191, Ipswich QLD 4305, Australia Phone (07) 3810 6666 [email protected] Ipswich.qld.gov.au

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