Agricultural Ditch is a long 2nd order tributary to Dirickson Creek, in Sussex County, Delaware.
According to the Geographic Names Information System, it has also been known historically as:
Agricultural Ditch rises on the McCray Branch divide about 0.25 miles northwest of Roxana in Sussex County, Delaware. Agricultural Ditch then flows generally southeast to meet Dirickson Creek about 0.25 miles north of Fenwick West, Delaware.
Agricultural Ditch drains of area, receives about 44.7 in/year of precipitation, has a topographic wetness index of 721.07 and is about 7.3% forested.