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Frome and Piddle Catchment Flood Management Plan – Revised Action Plans

Table 7.2 ‐ Summary table of action plan for policy unit 2 (Northern Chalkland) Policy 6 ‐ Areas of low to moderate flood risk where we will take action with others to store water or manage run‐off in locations that provide overall flood risk reduction or environmental benefits Year Action Relevant objectives Monitoring indicators Success criteria Organisations Timescale Priority Added responsible

2009 2.1 Investigate the FRM Prevent an increase in the Annual average damages a) Investigation Environment a) By 2015 High opportunities arising from the economic damages to agricultural to agricultural land. undertaken. Agency; b) Ongoing Catchment Sensitive Farming land caused by flooding in the NFU; b) Actions to ensure initiative and Environmental rural areas of the River Frome and Natural ; Stewardship schemes and act to Piddle. realisation land managers; ensure they are realised. Prevent an increase in the Annual average damages implemented. economic damages to residential to residential properties. FWAG. properties caused by river and tidally influenced flooding in , , , and and settlements downstream. Prevent an increase in the river Annual average damages and tidally influenced flooding of to commercial properties commercial properties and and services. services in Piddletrenthide and settlements downstream. Prevent an increase in the number The number of people of people affected by river and affected by flooding for tidally influenced flooding in the 1% AEP event. Sydling St Nicholas, Cerne Abbas, Piddletrenthide, Bere Regis and Milborne St Andrew and settlements downstream.

Environment Agency 1 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011 Year Action Relevant objectives Monitoring indicators Success criteria Organisations Timescale Priority Added responsible

2009 2.2 Investigate the potential FRM Prevent an increase in the Annual average damages a) Investigation Environment a) By 2020 Medium benefits of the AONB tree and economic damages to agricultural to agricultural land. undertaken Agency; b) Ongoing woodland planting programme land caused by flooding in the Natural England b) Actions taken to and act to ensure that any rural areas of the River Frome and ( AONB); ensure realisation. opportunities are realised, whilst Piddle. land managers; considering the effects on the Prevent an increase in the Annual average damages NFU; SSSI. economic damages to residential to residential properties. properties caused by river and FWAG. tidally influenced flooding in Sydling St Nicholas, Cerne Abbas, Piddletrenthide, Bere Regis and Milborne St Andrew and settlements downstream. Prevent an increase in the river Annual average damages and tidally influenced flooding of to commercial properties commercial properties and and services. services in Piddletrenthide and settlements downstream. Reduce flood risk to infrastructure, Length of road and rail in particular transport links such as infrastructure at risk from roads and railways across the flooding in the 1% AEP CFMP area. event. Improve or prevent inconsistent A qualitative assessment changes to the non‐urban areas of of landscape character. and Chase Character Areas. Prevent an increase in the number The number of people of people affected by river and affected by flooding for tidally influenced flooding in the 1% AEP event. Sydling St Nicholas, Cerne Abbas, Piddletrenthide, Bere Regis and Milborne St Andrew and settlements downstream.

Environment Agency 2 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011 Year Action Relevant objectives Monitoring indicators Success criteria Organisations Timescale Priority Added responsible

2009 2.3 a) Undertake an investigation Increase the area of wetland Area of wetland habitat. a) Investigation Environment a) By 2020 Medium of the restoration of water habitat to fulfil Environment completed. Agency; b) By 2025 meadows on the to Agency target areas in the CFMP Land managers; b) Water meadows regulate flows, ensuring that any area. Natural England; effects on the SSSI are considered. restored. Improve or prevent inconsistent A qualitative assessment Wildlife Trust. b) Restore water meadows in changes to the non‐urban areas of of landscape character. accordance with findings of the Dorset Downs and Cranborne investigation. Chase Character Areas.

2011 2.4 a) Identify specific locations Where appropriate, utilise rivers Length of naturally a) Locations Environment a) By 2018 High and devise schemes where and floodplains for the benefit of functioning watercourse identified and Agency; b) By 2020 watercourses and floodplains can nature conservation and restore and area of naturally schemes devised. Natural England; be restored by and reducing them to their naturally functioning floodplain. land managers; conveyance where appropriate, functioning state, particularly in b) Identified NFU; reducing incidents of tree the urban areas of the River schemes clearance in the river corridor Frome and Piddle. implemented. FWAG; (where such features do not Dorset County increase the flood risk) and Improve or prevent inconsistent A qualitative assessment Council. removing or altering obstructions changes to the non‐urban areas of of landscape character. such as road and foot bridges. Dorset Downs and Character Areas. b) Implement findings.

2009 2.5 a) Undertake a study to assess Protect and enhance SSSI, such as Percentage of SSSIs a) Study completed. Environment a) By 2020 Medium effect of the changes to flooding Langford Meadow. meeting PSA target. Agency; b) Mitigation b) By 2030 on SSSI. Natural England; measures devised b) If necessary, devise and and implemented. land managers; implement mitigation measures to NFU; protect SSSI. FWAG.

Environment Agency 3 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011 Year Action Relevant objectives Monitoring indicators Success criteria Organisations Timescale Priority Added responsible

2011 2.6 Identify and survey Reduce flood risk to Length of road and rail a) Infrastructure Environment a) By 2015 High infrastructure at risk and take infrastructure, in particular infrastructure at risk from identified and Agency; b) By 2020 measures to increase flood transport links such as roads and flooding in the 1% AEP surveyed. Dorset County resilience. railways across the CFMP area. event. Council; b) Measures taken to increase flood District resilience. Council; Highways Agency; Network Rail; Water. 2011 2.7 a) Investigate the impact of Prevent an increase in the Damages to residential a) Investigation Dorset County a) By 2015 Medium raised groundwater and springs economic damages to residential and commercial completed and Council; b) By 2020 on the urban areas of Cerne and commercial properties caused properties caused by baseline Environment Abbas, Sydling St Nicholas, by groundwater flooding in Cerne groundwater flooding. information Agency; , Milborne St Andrew Abbas, Sydling St Nicholas, established. West Dorset , and the Piddle villages and Charminster, Milborne St Andrew North Dorset, and establish baseline information on an the Piddle villages. b) Feasibility damages. considered. Councils; b) Consider feasibility of Wessex Water. mitigation measures.

Environment Agency 4 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011 Table 7.7 ‐ Summary table of action plan for policy unit 7 () Policy 4 ‐ Areas of low, moderate or high flood risk where we are already managing the flood risk effectively but where we may need to take further actions to keep pace with climate change Year Added Action Relevant objectives Monitoring Success criteria Organisations Timescale Priority indicators responsible 2011 7.1 a) Carry out a study to Reduce flood risk to Length of road and a) Study completed and Poole Borough a) By 2010 High research historic surface infrastructure, in rail infrastructure at monitoring system set Council; b) By 2015 water flooding events and particular transport links risk from surface up. Environment c) By 2025 to set up systems to such as roads and railways water flooding. b) Surface water Agency measure and record all across the CFMP area. management plans Dorset County future surface water Prevent an increase in the Damages to undertaken. Council; flooding events and impacts economic damages to residential and c) Findings Wessex Water. in order to establish residential and commercial implemented. baseline information and a commercial properties properties caused monitoring programme. caused by surface water by surface water b) Undertake surface water flooding in Poole. flooding. management plans for Poole and within these investigate retrofitting appropriate drainage techniques and other measures to deal with tide locking issues. c) Implement findings.

Table 7.9 ‐ Summary table of action plan for policy unit 9 () Policy 4 ‐ Areas of low, moderate or high flood risk where we are already managing the flood risk effectively but where we may need to take further actions to keep pace with climate change Year Action Objectives Monitoring indicators Success criteria Organisations Timescale Priority Added responsible 2009 9.1 Use awareness campaigns Prevent an increase in the Number of people Awareness campaigns Environment Agency, By 2010 and High to increase the uptake of the number of people affected by affected by the 1% undertaken. ongoing flood warning service to local river and tidally influenced AEP event. Dorset, Purbeck , people and businesses in flooding in Swanage. Swanage Council.s Swanage.

Environment Agency 5 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011 Year Action Objectives Monitoring indicators Success criteria Organisations Timescale Priority Added responsible 2011 9.2 a) Carry out a study to Prevent an increase in the Damages to Surface water , By 2010 High research historic surface water economic damages to residential residential and management plans flooding events and to set up and commercial properties commercial property undertaken. Environment Agency, systems to measure and record caused by surface water flooding caused by surface Purbeck District and all future surface water flooding in Swanage. water flooding. Swanage Town events and impacts in order to Councils, establish baseline information and a monitoring programme. Wessex Water; b) Undertake surface water management plans for Swanage and within this investigate the upgrade of the current systems. c) Review culvert design and efficiency. 2009 9.3 Review the maintenance Prevent an increase in the Annual average a) Maintenance Environment Agency, a) By 2015 High regime and FRM in and around economic damages to residential damages to residential regime reviewed. b) By 2020 Swanage to ensure it is properties caused by river and properties. Landowners; b) Maintenance appropriately targeted and tidally influenced flooding in regime revised. Purbeck District revise as appropriate in order to Swanage. Council. prevent a future increase in Prevent an increase in the river Annual average flood risk in Swanage. and tidally influenced flooding of damages to commercial properties and commercial properties services in Swanage. and services. Utilise rivers and floodplains for Length of naturally the benefit of nature functioning conservation and restore them to watercourse and area their naturally functioning state, of naturally particularly in the urban areas of functioning floodplain. Swanage. 2011 Combined probability flood risks Prevent an increase in river and Annual damages to Combined tidal and Environment Agency, By 2015 High need to be assessed at tidally influenced flooding to residential properties. fluvial flood risks Swanage. people and property in Swanage. quantified. Dorset County, Purbeck District, and Swanage Town Councils

Environment Agency 6 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011 Schedule of Change

CFMPs remain live documents. As such, our understanding of risk and the actions (measures) to manage these risks are liable to change. Since the publication of the Frome and Piddle CFMP in December 2009 a number of changes have taken place. Below is a summary of changes to the actions (measures) since its publication in 2009.

Policy Action Comment Change Date of Location change 2011 Following the introduction of the Flood Risk Regulations (2009) and the Flood and Water Management Act (2010) the roles and responsibilities of flood risk management authorities has changed. As well as this, a framework for implementation has been developed which has altered our approach to annual monitoring. As such, a whole scale review of actions (measures) within the South West has been undertaken to ensure CFMPs adequately reflect these important pieces of legislation.

Changes to this action plan include:‐ • Amendment to five actions • Inclusion of one new action • Inclusion of a schedule of change Northern 2.4 a) Identify specific locations and devise schemes where Amend implementation Implementation timescale September Chalkland watercourses and floodplains can be restored by and reducing timescale to 2018. changed from 2015 to 2018 2011 conveyance where appropriate, reducing incidents of tree clearance in the river corridor (where such features do not increase the flood risk) and removing or altering obstructions such as road and foot bridges. b) Implement findings. Northern 2.6 Identify and survey infrastructure at risk and take measures Amend implementation Implementation timescale September Chalkland to increase flood resilience. timescale to 2015. changed from 2010 to 2015 2011 Northern 2.7 a) Investigate the impact of raised groundwater and springs Lead organisation should Set Lead Organisation as September Chalkland on the urban areas of Cerne Abbas, Sydling St Nicholas, be LLFA – Dorset County Dorset County Council 2011 Charminster, Milborne St Andrew and the Piddle villages and Council establish baseline information on damages. b) Consider feasibility of mitigation measures.

Environment Agency 7 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011 Policy Action Comment Change Date of Location change Poole 7.1 a) Carry out a study to research historic surface water Lead organisation should Set Lead Organisation as September flooding events and to set up systems to measure and record all be LLFA – Dorset County Dorset County Council 2011 future surface water flooding events and impacts in order to Council establish baseline information and a monitoring programme. b) Undertake surface water management plans for Poole and within these investigate retrofitting appropriate drainage techniques and other measures to deal with tide locking issues. c) Implement findings. Swanage 9.2 a) Carry out a study to research historic surface water Lead organisation should Set Lead Organisation as September flooding events and to set up systems to measure and record all be LLFA – Dorset County Dorset County Council 2011 future surface water flooding events and impacts in order to Council establish baseline information and a monitoring programme. b) Undertake surface water management plans for Swanage and within this investigate the upgrade of the current systems. c) Review culvert design and efficiency.

Environment Agency 8 Frome and Piddle Catchment Flood Management Plan Revised Action Plan – October 2011