"imminent task" is a correct and usable part of a sentence in written English.
You can use it when you want to refer to a task or event that is likely to happen soon or at any moment. For example, "I need to finish my imminent task before the end of the day."
Add whichever you're growing to your App garden and the calendar function will remind you of any imminent tasks plus local frost and drought alerts.
He also had to restore morale following the bombing of Darwin on 19 February and deal with the threat of imminent invasion, tasks complicated by the poor state of local communications, transport and early warning systems.
Both commissioners noted that the task force had found no imminent threat to public health and safety from continued operation of the nation's 104 power reactors, or from extending their licenses.
The spanner in the works is Mercury's imminent backslide, which obliges you to do tasks twice over and explain to contrary people that you know what you're doing.
He and his team have the plodding, repetitive task of filing each item, before its imminent move to a purpose-built site outside Paris.
After operators took a variety of corrective actions, the nuclear agency concluded that there was no imminent risk from continuing to operate American plants, and the task force agreed.
Far from feeling flush with imminent power, he told his diary that he contemplated the task ahead "with a mind oppressed with more anxious and painful sensations than I have words to express".
He went on to undermine his argument by implying that it probably would be possible, but that he chooses not to allocate resources to the task when the intelligence community could be focusing on imminent concerns in countries like Iran and North Korea.
At the task force, this information went to the squad that handles imminent "Al Qaeda-like" threats, according to Bill Evanina, the F.B.I. agent who is the squad's leader.
Out of the 70 cases, the task force found one case where the child was in imminent danger and called the state's emergency phone line to begin an investigation.
