The phrase "and the overwhelming task" is correct and usable in written English.
It can be used when discussing a challenging or burdensome responsibility or duty that someone is facing.
Example: "She felt a sense of dread as she looked at the project timeline and the overwhelming task ahead of her."
Alternatives: "and the daunting challenge" or "and the immense responsibility".
In a flurry of news conferences in four boroughs, parks administrators and state and local officials recounted the overwhelming task of removing debris from beaches, sifting mounds of sand and repairing damaged infrastructure.
"Mitt Romney devoted 100% of his time and energy to the overwhelming task of rescuing the Winter Olympics, which were in a state of disarray when he took the job.
Having managed to secure endorsement from both the anti-Assad and the pro-Assad factions across the political spectrum, Mr. Salam now faces the overwhelming task of forming a cabinet in a fractious political environment where rival political blocs consistently fail to agree on contentious issues.
Zalmay Khalilzad, now ambassador to Iraq, is assigned the overwhelming task of somehow negotiating a settlement that will thwart civil war there.
No one is immune from the plague, Camus writes, and he urges: "Not to become one of the plague-stricken - neither carrier nor patient - that is the overwhelming task".
Despite their expense, inconvenience, and even danger, they've proven invaluable in Liberia, a country entirely without landline service, where people need all the tools they can get to face the overwhelming task of rebuilding from nothing.
I'm taking on the overwhelming task of making sure the following week is set up from a kid perspective, in terms of baby sitters and afternoon activities and who's going to take the kids to school.
Faced with the overwhelming task of repairing the town's dilapidated sewer system, the investors, who bought the land beneath Locke and several hundred acres of orchards around it in 1977, sold the town's 10 acres to the county last year for $250,000.
