Dalbeattie (Potentially Vulnerable Area 14/19) Local Plan District Local authority Main catchment Solway Dumfries and Galloway Kirkgunzeon Lane Council catchment, Dalbeattie to Needles Eye Summary of flooding impacts Summary of flooding impacts flooding of Summary At risk of flooding • 280 residential properties • 80 non-residential properties • £570,000 Annual Average Damages (damages by flood source shown left) Summary of objectives to manage flooding Objectives have been set by SEPA and agreed with flood risk management authorities. These are the aims for managing local flood risk. The objectives have been grouped in three main ways: by reducing risk, avoiding increasing risk or accepting risk by maintaining current levels of management. Objectives Many organisations, such as Scottish Water and energy companies, actively maintain and manage their own assets including their risk from flooding. Where known, these actions are described here. Scottish Natural Heritage and Historic Environment Scotland work with site owners to manage flooding where appropriate at designated environmental and/or cultural heritage sites. These actions are not detailed further in the Flood Risk Management Strategies. Summary of actions to manage flooding The actions below have been selected to manage flood risk. Flood Natural flood New flood Community Property level Site protection protection management warning flood action protection plans scheme/works works groups scheme Actions Flood Natural flood Maintain flood Awareness Surface water Emergency protection management warning raising plan/study plans/response study study Maintain flood Strategic Flood Planning Self help Maintenance protection mapping and forecasting policies scheme modelling 217 Section 2 Solway Local Plan District Dalbeattie (Potentially Vulnerable Area 14/19) Local Plan District Local authority Main catchment Kirkgunzeon Lane Dumfries and Galloway Solway catchment, Council Dalbeattie to Needles Eye Background This Potentially Vulnerable Area is There are approximately 280 residential located on the south coast of the properties and 80 non-residential Solway Local Plan District and properties at risk of flooding. The incorporates the town of Dalbeattie Annual Average Damages are (shown below). It is approximately approximately £570,000. 40km2. Figure 1: Annual Average Damages by flood source © Crown copyright. SEPA licence number 100016991 (2015). All rights reserved. Summary of flooding impacts River flooding in this area is primarily attributed to the Kirkgunzeon Lane, which flows to Maidenholm where it turns west towards Dalbeattie. This river may cause flooding to residential properties, non-residential properties, roads (notably sections of the A710 and A711), utilities and agricultural land around Maidenholm. These predicted impacts are supported by historical flood reports from Dalbeattie. Areas of notable flood risk in Dalbeattie include High Street, the port area, and along the Mill Burn and Little Burn. The national flood mapping for Dalbeattie does not fully represent the flood defences in the area. The main coastal risk within this Potentially Vulnerable Area is from the Urr Water, which flows along the western boundary of the Potentially Vulnerable Area from Dalbeattie to the Solway Firth, and is tidal over this entire reach. There is also potential for interaction with river flooding in this location. Coastal flooding is predicted to affect a number of properties and a short section of the road network in Dalbeattie and Kippford. Surface water flooding is more prevalent in the northern half of the area. However, there are small pockets of surface water flooding within Dalbeattie which may impact on properties, utilities and roads. Solway Local Plan District Section 2 218 Within this Potentially Vulnerable Area it is estimated that climate change will increase the number of residential properties at risk of flooding from approximately 290 to 420 and the number of non-residential properties from approximately 80 to 90. The risk of flooding to people and property, as well as to community facilities, utilities, the transport network, designated sites and agricultural land is summarised in Table 1. Impacts are primarily within Dalbeattie, with a concentration of residential and non- residential properties at risk, although properties and roads may be impacted in some other locations. The damages associated with floods of different likelihood are shown in Figure 2. Residential properties affected by river flooding experience the highest economic impact at approximately 60% of the damages followed by non-residential properties. The location of the impacts of flooding is shown in Figure 3. 1 in 10 1 in 200 1 in 1000 High likelihood Medium likelihood Low likelihood Residential properties 200 280 320 (total 2,600) Non-residential 50 80 50 properties (total 240) People 440 640 710 Community facilities 0 0 0 Utilities assets <10 10 10 Transport links - 1.8 3.5 4.0 roads (km) Transport links - 0 0 0 rail (km) Environmental 2 0 0 <0.1 designated areas (km ) Designated cultural 2 2 2 heritage sites Agricultural land (km2) 2.0 2.5 2.6 Table 1: Summary of flood impacts1 Figure 2: Damages by flood likelihood 1 Some receptors are counted more than once if flooded from multiple sources 219 Section 2 Solway Local Plan District Figure 3: Impacts of flooding Solway Local Plan District Section 2 220 History of flooding Areas that affected by flooding in this area include Kippford and Dalbeattie, with flooding from different sources reported every year since 2002. The most significant floods in the area occurred in Dalbeattie. Flooding on 31 October 1977 caused major disruption to gas supplies for two days and significant damage to a footbridge. Flooding in 1982 saw the Urr Water reach its highest levels since records began in 1964. River flooding and surface water flooding was record in Dalbeattie in 2002, 2003, 2004, 2005 and 2008. These floods affected roads and properties. Parts of the seafront have been affected by tidal surges from the Solway Firth, specifically Airieland, Rockcliffe Village and Foreshore Road. Kippford has also suffered damage from coastal surges, the most recent occurring in January 2014. 221 Section 2 Solway Local Plan District Objectives to manage flooding in Potentially Vulnerable Area 14/19 Objectives provide a common goal and shared ambition for managing floods. These objectives have been set by SEPA and agreed with flood risk management authorities following consultation. They were identified through an assessment of the underlying evidence of the causes and impacts of flooding. Target areas have been set to focus actions; they do not necessarily correspond to areas at risk in SEPA’s flood map. The objectives below have been set for Dalbeattie Potentially Vulnerable Area. Reduce the risk of river flooding to residential and non-residential properties in Dalbeattie Indicators: Target area: • 220 residential properties • 60 non-residential properties • £600,000 Annual Average Damages Image found and displayed. Objective ID: 14025 ©Crown copyright. All rights reserved. SEPA lic.no. 100016991 (2015) Reduce the risk of coastal flooding to residential properties between Dalbeattie and Kippford Indicators: Target area: • <10 residential properties • £12,000 Annual Average Damages Image found and displayed. Objective ID: 14026 ©Crown copyright. All rights reserved. SEPA lic.no. 100016991 (2015) Solway Local Plan District Section 2 222 Target area Objective ID Indicators within PVA Applies across Avoid an overall increase in flood risk 14033 • 280 residential Solway Local properties Plan District • £570,000 Annual Average Damages Applies across Reduce overall flood risk 14040 • 280 residential Solway Local properties Plan District • £570,000 Annual Average Damages Applies across Organisations such as Scottish Water, Solway Local energy companies and Historic Plan District Environment Scotland actively maintain and manage their own assets, including the risk of flooding. These actions are not detailed further in the Flood Risk Management Strategies. 223 Section 2 Solway Local Plan District Actions to manage flooding in Potentially Vulnerable Area 14/19 Actions describe where and how flood risk will be managed. These actions have been set by SEPA and agreed with flood risk management authorities following consultation. Selection of actions to deliver the agreed objectives was based on a detailed assessment and comparison of economic, social and environmental criteria. The actions shaded and then described below have been selected as the most appropriate for Dalbeattie Potentially Vulnerable Area. Selected actions Flood Natural flood New flood Community Property level Site protection protection management warning flood action protection plans scheme/works works groups scheme Flood Natural flood Maintain flood Awareness Surface water Emergency protection management warning raising plan/study plans/response study study Maintain flood Strategic Flood Planning Self help Maintenance protection mapping and forecasting policies scheme modelling Action (ID): NEW FLOOD WARNING (140400010) Objective (ID): Reduce overall flood risk (14040) Delivery lead: SEPA Status: Not started Indicative delivery: post 2021 Description: The area under consideration includes properties in Dalbeattie affected by flooding from Kirkgunzeon Lane/Barr Burn. Further feasibility assessment will be required to assess the potential for delivery and subsequent to that appropriate timescales for delivery