The border between South Dublin and Dún Laoghaire-Rathdown here is outdated. While initially based on this unnamed tributary of the Dodder, the border was changed slightly via the Local Government (Dublin) Act, 1993 to fix the problem of some Woodside Drive property being split between the two counties. The nuances in the new border can be seen in any present day digital map of the boundaries. This change also applies to the electoral divisions.