The phrase "a potential devastation for" is correct and usable in written English.
It can be used when discussing the possibility of significant damage or destruction that may affect a particular group, area, or situation.
Example: "The scientists warned that climate change could lead to a potential devastation for coastal communities if sea levels continue to rise."
Alternatives: "a possible disaster for" or "a likely catastrophe for".
Morial, who is a former mayor of New Orleans, painted a clear picture of the potential devastation Trump and his administration could bring upon all vulnerable Americans.
Some of the technicians instinctively backed away, raising their hands in morbid respect for the potential devastation this tiny flea was capable of causing.
But the Doomsday Clock, which Mrs. Langsdorf drew for the June 1947 cover of the Bulletin of Atomic Scientists as a way to evoke the potential devastation of nuclear weapons, did not stay in reverse.
With the last hurricane to directly hit New York City dating back to the 1800's, residents have so far lacked the impetus to demand concrete strategies for dealing with the potential devastation to housing, the subway system and the electrical infrastructure from a major modern-day storm.
The potential devastation from emergence of a pandemic strain in Africa has led to a sudden shift of public health focus to pandemic preparedness.
Each of the broadsheets focused, for example, on the alleged bomb and the potential devastation it could have caused without questioning the government's version of events.
While the sheer scale of Africa's epidemic has tended to overshadow the problem here, health experts and political leaders warn of the potential for devastation in a region of small, image-conscious countries that depend on a limited pool of labor and resources, as well as tourism.
The result, in a world built around the precepts that most people must have jobs and unemployment is a disaster: economic devastation for those affected.
If the rabbit species had not been introduced into a community in which none of its natural predators were found, its potential for devastation would not be fully appreciated.
