Arterial Drainage Schemes
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From: Office of Public Works
- Published on: 9 January 2017
- Last updated on: 28 January 2022
The OPW carried out a number of Arterial Drainage Schemes on catchments under the Arterial Drainage Act, 1945. Under section 37 of the 1945 Act, the OPW is required to maintain drainage works in proper repair and effective condition. This work is organised on a regional basis, with headquarters in Limerick, Headford, Co. Galway and Trim, Co. Meath.
Read more about Maintaining Certain River Channels and Environmental Management
A list of the major completed Arterial Drainage Schemes carried out by OPW can be found below.
Table 2. OPW Completed Major Arterial Drainage Schemes
| Scheme | Counties | Duration of Works | Benefitting Area (Acres) |
| Brosna | Offaly, Westmeath, Laois | 1948 - 55 | 86,200 |
| Glyde and Dee | Louth, Meath, Monaghan, Cavan | 1950 - 57 | 26,300 |
| Feale | Kerry | 1951 - 59 | 26,500 |
| Corrib-Clare | Galway, Mayo, Roscommon | 1954 - 64 | 74,900 |
| Owenogarney | Clare | 1955 - 59 | 2,100 |
| Nenagh | Tipperary, Offaly | 1955 - 60 | 6,500 |
| Deel and Swillyburn | Donegal | 1957 - 61 | 3,500 |
| Shannon | Clare | 1958 - 60 | 1,800 |
| Ballyteigue / Kilmore | Wexford | 1959 - 61 | 2,300 |
| Maine | Kerry | 1959 - 63 | 11,600 |
| Fergus | Clare | 1959 - 63 | 5,400 |
| Inny | Westmeath, Longford, Meath, Cavan | 1960 - 68 | 50,000 |
| Moy | Mayo, Sligo, Roscommon | 1960 - 71 | 61,000 |
| Broadmeadow and Ward | Meath, Dublin | 1961 - 64 | 7,400 |
| Swilly, etc. | Donegal | 1961 - 68 | 3,200 |
| Killimor / Cappagh | Galway | 1962 - 68 | 12,600 |
| Deel | Limerick, Cork | 1962 - 68 | 50,000 |
| Shannon | Limerick | 1962 - 71 | 12,100 |
| Duff | Leitrim, Sligo | 1963 - 65 | 3,600 |
| Corrib-Headford | Galway, Mayo | 1967 - 73 | 19,400 |
| Owenavarragh | Wexford | 1968 - 70 | 2,600 |
| Carrigahorrig | Tipperary, Offaly | 1968 - 71 | 3,800 |
| Boyne | Meath, Westmeath, Louth, Cavan, Kildare, Offaly | 1969 - 86 | 119,000 |
| Groody | Limerick | 1970 - 73 | 3,000 |
| Maigue | Limerick, Tipperary, Cork | 1973 - 86 | 30,500 |
| Corrib-Mask-Robe | Mayo, Galway | 1979 - 86 | 24,000 |
| Boyle | Roscommon, Sligo, Mayo | 1982 - 92 | 26,800 |
| Bonet | Leitrim, Sligo | 1982 - 92 | 3,200 |
| Monaghan Blackwater | Monaghan | 1984 - 92 | 5,850 |
| - | - | Total | 647,050 |
An online map of the country with detailed information on the location of OPW Arterial Schemes can be found on floodinfo.ie
Drainage Districts, which are the responsibility of Local Authorities to maintain, are also shown on the map.