Water monitoring stations used by the EPA and Local Authorities are registered on EDEN Monitoring Data System by an application called the Feature Coding Tool (FCT). This tool applies a unique code to river, lake, transitional, coastal or groundwater stations registered on it.
EU Water Framework Directive Transitional Waterbodies boundaries for Ireland. Transitional waters connect fresh waters such as rivers and marine waters, for example estuaries. The goal of The Water Framework Directive is to achieve a good status for all of Europe's surface waters and groundwater by 2015.