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  • Rivers and flooding

    Flooding in Enniskillen
    Reducing the risk to life and damage to property from flooding from rivers and the sea, undertaking watercourse and coastal flood management in a sustainable manner.

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    Reservoirs in Northern Ireland

    The Department of Agriculture and Rural Development (now Department for Infrastructure) introduced the Reservoirs Bill in the Assembly in early 2014 for the regulation of reservoir safety in Northern Ireland.

    • Regulating reservoir safety in Northern Ireland

    Rivers and lough levels

    DfI Rivers Hydrometric Section monitors water levels for rivers, sea and loughs at approximately 130 locations across Northern Ireland.

    • DfI Rivers water level network
    • Lough Neagh levels
    • Lough Erne levels

    Northern Ireland Drainage Council

    The Drainage Council (‘the Council’) for Northern Ireland is a non-Departmental Public Body constituted under the Drainage (NI) Order 1973. The Council has a general scrutiny role in relation to the Department’s drainage functions, and has a statutory duty to ensure uniformity of treatment of drainage throughout Northern Ireland.

    • What is the Drainage Council?
    • Membership of the Drainage Council
    • Drainage Council rules and regulations

    Rivers and flooding projects

    As well as major multi-million pound projects to provide flood protection to residential and commercial properties the DfI Rivers also maintains sea defences and drainage structures.

    • Flood alleviation projects
    • Rivers maintenance and flood management
    • Other projects affecting rivers/watercourses

    Floods Directive Regulations

    Protecting the community from the risk and impact of flooding is at the heart of the European Floods Directive. Introduced in 2009, it provides a new approach to managing flood risk on a catchment wide scale.

    • What are the (Floods Directive) Regulations?
    • European Floods Directive - 1st Cycle
    • Floods Directive Regulations – 2nd Cycle

    Flood Maps NI

    Flood Maps (NI) is an interactive map-viewer that enables users to access the latest flood hazard information available from government.

    • What is Flood Maps (NI)?
    • How Flood Maps (NI) was produced
    • Contents of the Flood Maps NI

    GDPR Privacy Notices for DfI Business areas - HTML

    Privacy Notices for Business areas located within the Department can be found below.

    Related to Rivers and flooding

    Most recent publications

    • Technical Guidance Note (TGN) 34 – Broadwater Reservoir Maintenance - Screening form

      Published 10 November 2025
    • Portadown Flood Alleviation Scheme - Scheme Phasing of Sites, Maps

      Published 15 October 2025
    See all publications in this topic

    Most recent consultations

    • Grant support for initial supervision and inspection requirements of the Reservoirs Act

      Published 23 June 2025 Consultation closed
    • Farset & Milewater Asset Repair/Refurbishment Works, Belfast - Proposed Drainage Works

      Published 17 May 2024 Consultation closed
    See all consultations in this topic

    Most recent news items

    • Infrastructure Minister Kimmins appoints Councillor to the Drainage Council

      Published 13 January 2026
    • Kimmins announces significant milestone for Portadown Flood Alleviation Scheme

      Published 15 December 2025
    See all news in this topic

    Access to information

    How to request information from the Department for Infrastructure including Freedom of Information (FOI) and the use of our Publication Scheme.

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