Americans still uncertain of health care website's fate: Poll

Healthcare.gov website homepage.
Andrew Harrer | Bloomberg | Getty Images

Americans remain highly uncertain about the fate of the troubled federal exchange website that's part of the new health-care law, according to a new NBC News/Wall Street Journal poll.

The survey showed that 31 percent say they think troubles stem from a long-term design flaw that can't be corrected. Another 30 percent consider it too soon to tell, despite the Obama administration's assurance that the site will be running effectively by Nov. 30.

(Read more: Sebelius: 'Hold me responsible for the debacle')

A 37 percent plurality said they think the website's problems can be corrected. Those making definitive assessments, NBC/WSJ pollsters Bill McInturff and Peter Hart agreed, were largely those who were already inclined to either oppose or support the law.

The NBC/WSJ telephone poll of 800 adults, conducted Oct. 25-28, carries a margin for error of 3.46 percent.

(Read more: Obamacare can't make health care cheaper: Langone)

—By CNBC's John Harwood. Follow him on Twitter: @JohnJHarwood