Northamptonshire Local Flood Risk Management Strategy Living Document – Interactive PDF Northamptonshire County Council
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Northamptonshire Local Flood Risk Management Strategy Living Document – Interactive PDF Northamptonshire County Council November 2016 Northamptonshire Local Flood Risk Management Strategy (LFRMS) (November 2016) Document Status All Lead Local Flood Authorities in England are required to develop, maintain, apply and monitor the application of a strategy for local flood risk in their area, which is consistent with the Environment Agency’s National Strategy. This is therefore a statutory document. In Northamptonshire, the County Council is the Lead Local Flood Authority. The Local Flood Risk Management Strategy is an important document that sets out the management of flood risk in Northamptonshire for the coming years. As part of its development all key partners have had the opportunity to comment on this strategy. Following full public consultation this strategy was reviewed, updated and finalised as a living document. Checked and Rev Date Details Author approved by 16th June Draft report for R Burnham, Senior J Bateman, Flood 1 2016 consultation Flood and Water Officer and Water Manager 9th November R Burnham, Senior J Bateman, Flood 2 Final report for Cabinet 2016 Flood and Water Officer and Water Manager 14th Minor amendments and P Jones, Senior J Bateman, Flood 3 November linked to updated Asset Environment Officer and Water Manager 2017 Register. Accompanying Documents The Local Flood Risk Management Strategy (LFRMS) is accompanied by a number of separate documents, as follows: A non-technical Executive Summary of this strategy, as an easy reference guide; The Northamptonshire Flood Risk Prioritisation Assessment; The LFRMS Action Plan; Strategic Environmental Assessment and Habitats Regulation Assessment reports; An Equalities Impact Assessment report; and A Communication, Engagement and Consultation Strategy, developed to support the LFRMS and related flood and water management work. Northamptonshire Local Flood Risk Management Strategy (LFRMS) (November 2016) CONTENTS 1. INTRODUCTION ....................................................................................................... 1 OBJECTIVES OF THE LOCAL FLOOD RISK MANAGEMENT STRATEGY ..................................................... 2 LOCAL FLOOD RISK MANAGEMENT ACTIONS AND MEASURES ........................................................... 3 2. WHAT IS FLOODING? ................................................................................................ 4 WHAT CAUSES FLOODING? .......................................................................................................... 4 WHAT TYPES OF FLOOD RISK ARE THERE? ....................................................................................... 5 FLOOD RISK IN NORTHAMPTONSHIRE ............................................................................................ 6 Watercourses in West Northamptonshire ........................................................................ 7 Watercourses in North Northamptonshire ....................................................................... 8 3. ROLES AND RESPONSIBILITIES ................................................................................ 11 LEAD LOCAL FLOOD AUTHORITY ................................................................................................. 11 WATER AND SEWERAGE COMPANIES .......................................................................................... 17 INTERNAL DRAINAGE BOARDS .................................................................................................... 17 DISTRICT AND BOROUGH COUNCILS ............................................................................................ 17 THE ENVIRONMENT AGENCY ..................................................................................................... 19 HIGHWAYS AUTHORITY ............................................................................................................. 20 HIGHWAYS ENGLAND ............................................................................................................... 21 RIPARIAN OWNERS .................................................................................................................. 21 PARISH COUNCILS .................................................................................................................... 21 OTHER BODIES ........................................................................................................................ 22 4. LOCAL PARTNERSHIPS, GOVERNANCE AND SCRUTINY ............................................. 25 LOCAL PARTNERSHIP AND GOVERNANCE ARRANGEMENTS ............................................................... 25 STRATEGIC FLOOD RISK MANAGEMENT BOARD ............................................................................ 25 LOCAL FLOOD RISK OPERATIONAL GROUP ................................................................................... 26 THE LOCAL RESILIENCE FORUM .................................................................................................. 27 REGIONAL FLOOD AND COASTAL COMMITTEES ............................................................................. 27 SCRUTINY ARRANGEMENTS ....................................................................................................... 27 CROSS-CATCHMENT WORKING .................................................................................................. 28 5. ASSESSMENT OF LOCAL FLOOD RISK IN NORTHAMPTONSHIRE ................................ 29 HISTORIC FLOODING IN NORTHAMPTONSHIRE .............................................................................. 29 POTENTIAL FLOOD RISK IN NORTHAMPTONSHIRE .......................................................................... 32 6. STRATEGY OBJECTIVES FOR MANAGING LOCAL FLOOD RISK .................................... 35 OBJECTIVE 1: COLLABORATIVE APPROACH ................................................................................... 37 Partnership working ........................................................................................................ 37 Secure and Optimise Human Resources ......................................................................... 37 Public Engagement in Strategy Development and Delivery ........................................... 37 OBJECTIVE 2: LOCAL FLOOD RISK ............................................................................................... 37 Surface Water Management Plans ................................................................................. 38 Flood Reporting, Recording and Investigating ................................................................ 38 Asset Maintenance ......................................................................................................... 40 Asset Register.................................................................................................................. 41 Data Management Protocols .......................................................................................... 41 OBJECTIVE 3: ENHANCE THE NATURAL AND HISTORIC ENVIRONMENT .............................................. 41 Northamptonshire Local Flood Risk Management Strategy (LFRMS) (November 2016) Undertake a Strategic Environmental Assessment, Habitat Regulation Assessment and Water Framework Directive Compliance Check.............................................................. 42 Additional Flood Storage Attenuation ............................................................................ 43 Natural Resilience ........................................................................................................... 43 Provide Blue and Green infrastructure ........................................................................... 43 De-Culverting .................................................................................................................. 44 Review Land Management Methods .............................................................................. 45 Increased Tree Coverage ................................................................................................. 46 OBJECTIVE 4: PREPAREDNESS AND RESILIENCE .............................................................................. 46 Active Enforcement, Maintenance and Inspection ......................................................... 47 Improve Emergency Planning, Response and Recovery to Flooding .............................. 47 Improve Public Awareness and Understanding of Flooding and Flood Risk Management ........................................................................................................................................ 48 Promote Flood Resilience and Resistance Measures and Property Level Protection ..... 48 Promote Flood Protection Insurance .............................................................................. 48 OBJECTIVE 5: FLOOD RISK AND DEVELOPMENT ............................................................................. 49 Implementation of Sustainable Drainage and Source Control Measures ....................... 49 Production of Guidance .................................................................................................. 50 Utilisation of Designation Powers ................................................................................... 51 Consenting Powers for Works Affecting Ordinary Watercourses ................................... 51 Consenting Policy Requirements ....................................................................................