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The Lee CFRAMS is one of three pilot studies being carried out to meet the requirements of the EU Floods Directive which was introduced on the 26 November 2007. The study will focus on urban areas known to have experienced flooding in the past and areas subject to significant development pressure both now and in the future. The extent of the study area is shown in the map below.
Work on the study started in August 2006 and will continue until late 2008 when a Catchment Flood Risk Management Plan (CFRMP) will be published. This plan will define the levels of existing and future flood risk in the Lee Catchment and set out how this will be managed both now and into the future.
Flood Risk in the Lee Catchment
Significant flooding occurs throughout the Lee catchment from time to time, affecting a number of towns and villages. The low lying areas of Cork City Centre are in particular regularly affected by tidal flooding, for example, the tidal flood event of October 2004. Much of the flooding occurs during adverse weather conditions. Heavy rainfall causes high river flows. Low pressure and strong easterly winds cause surges in Cork Harbour. High tides also impact on the level of flooding. Flood risk can also be increased by local conditions. These include bridges and culverts restricting high flows, debris causing blockages and environmental and land use changes. A table of the most significant recent flooding in the catchment is shown below. For more information on each of these flood events please visit the OPW's National Flood Hazard Mapping website.
|Flood event||Main flood mechanism||Rivers affected||Areas affected|
|August 1986||Fluvial||Lee; Sullane; Laney and Shournagh||Baile Mhic Íre; Macroom; Ballincollig; Blarney and Cork City|
|November 2000||Fluvial||Lee; Owenacurra; Martin and Shournagh||Midleton; Watergrasshill; Fivemilebridge; Ballinhassig; Ballygarvan; Cork City; Ballincollig and Blarney|
|November 2002||Fluvial||Lee; Glashaboy; Owenboy; Ballybrack and Butlerstown||Douglas; Carrigaline; Ballygarvan; Ballinhassig; Monkstown-Passage West and Riverstown|
|October 2004||Tidal||Lower Lee and Cork Harbour||Cork City; Cobh; Whitegate; Monkstown-Passage West; Crosshaven; Ringaskiddy; Glounthaune; Glanmire and Midleton|
|December 2006||Fluvial||Sullane River and Lower lee||Baile Mhic Íre and Carrigrohane Road|
The River Lee is one of the largest rivers in southwest Ireland with a total catchment area covering approximately 2000 sq km. The catchment is defined by the land area drained by the River Lee, its tributaries and Cork Harbour.
The River Lee rises in the mountains to the west of Cork and flows into Cork Harbour. The main tributaries of the River Lee upstream of Cork City include the Sullane River, the River Laney, the Dripsey River, the River Bride and the Shournagh River. The River Lee is partly controlled by the Carrigadrohid and Inishcarra hydro-electric dams owned by the ESB.
From Cork City to Cork Harbour, the river is used for navigation, its channel is dredged and the river banks include extensive quay walls. Cork Harbour also receives freshwater from a number of other rivers including the Glashaboy River, the Owenacurra River and the Owenboy River.
The objectives of the Lee Catchment Flood Risk Assessment and Management Study are to:
Final edition of Lee CFRAMS newsletter (more)
Consultation on the SEA Environmental Report (more)
Non-Technical Summary for SEA Environmental Report published(more)
Consultation on the draft Flood Risk Management Plan (more)
Consultation on Lee Predictive Floodmaps (more)
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