Arterial Drainage Scheme Embankments

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Abstract: This data shows Arterial Drainage Scheme (ADS) Embankments constructed under the Arterial Drainage Acts 1945 & 1995, that OPW has a statutory obligation to maintain. These are man made raised structures of natural materials, constructed to protect low lying ground from flooding (not properties). Of the 800km of embankments, the frequency of maintenance tends to be more variable than that for channels, with embankments scheduled for maintenance works as the need arises. Most Embankment Schemes are tidal in nature hence they tend to be located at estuaries. Arterial Drainage Schemes were carried out under the Arterial Drainage Act, 1945 to improve land for agricultural purposes. The Act was amended on a number of occasions, for example to transpose EU Regulations and Directives such as the EIA, SEA, and Habitats Directives and the Aarhus Convention. The Arterial Drainage (Amendment) Act, 1995 further allows for the implementation of localised flood relief schemes to provide flood protection for cities, towns and villages. Statutory Arterial Drainage Maintenance entails the maintenance of completed Arterial Drainage Schemes and completed Flood Relief Schemes. The OPW are responsible for the maintenance of 11,500km of channel, 800km of embankments, some 19,000 bridges and further ancillary structures such as weirs, sluice barrages, sluices, pumping stations and tidal flap gates.

Purpose: This data has been developed to support the maintenance of Arterial Drainage Schemes carried out under the Arterial Drainage Acts 1945 & 1995, that OPW has a statutory obligation to maintain. These schemes were carried out to improve land for agriculture and to mitigate flooding in urban areas

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Data Owner Drainage Maintenance and Construction Services
Data Owner Email
Theme Society
Date released 2004-01-01
Update frequency Irregular
Language English
Landing page
Geographic coverage National
Spatial Reference Systems (SRS) TM75 / Irish Grid (EPSG:29903)