The president argued the report puts the death tolls of 3,000 was done by Democrats to make him look bad.
In a report released last July, FEMA admitted it was insufficiently prepared to handle multiple hurricanes in a short amount of time - Hurricane Irma struck the Caribbean two weeks before Hurricane Maria. Trump said there were "6 to 18 deaths" shortly after the storm hit Puerto Rico in 2017. If a person died for any reason, like old age, just add them onto the list.
"I think that Puerto Rico was an incredible, unsung success", he said.
Mr Trump you can try and bully us with your tweets BUT WE KNOW OUR LIVES MATTER.
CNN political commentator and frequent Trump critic Ana Navarro unloaded on the president's tweets regarding the death toll in Puerto Rico after Hurricane Maria past year.
Trump is seemingly ignoring the aftereffects of the storm in his tweet and focusing only on deaths attributable to things like flying debris, drowning and structures that collapse.
As the southeastern USA coastal states now face a looming threat from fast-approaching Hurricane Florence, Trump has for days revisited the US government's performance in handling the aftermath of Maria's stunning blow to Puerto Rico and other hurricanes that hit the US mainland past year.
San Juan Mayor Carmen Yulin Cruz called the president's comments "delusional, paranoid and unhinged from any sense of reality".
"Although you don't believe it... nearly a million boxes of water that were never delivered to the villages", posted Abdiel Santana, a photographer working for a Puerto Rican state police agency who took the pictures.
"We know a lot of people that right now are still suffering".
Puerto Rico Gov. Ricardo Rossello says in a Facebook video post in Spanish that there should no more questions about the number of deaths from Hurricane Maria and the process used to arrive at that number.
Mr Gutierrez, who is of Puerto Rican heritage, was involved in the USA territory's recovery operation.
Some Republicans also criticized the president's tweet. "What kind of mind twists that statistic into 'Oh, fake news is trying to hurt my image, '" she said. The loss of any life is tragic; the extent of lives lost as a result of Maria is heart wrenching.
House Speaker Paul Ryan told reporters he has "no reason to dispute those numbers". "It was devastated. This was a awful storm", he said. And that's really no one's fault. "That is just what happened". That includes deaths as a result of infrastructure failures that came as a result of the hurricane. "It wasn't because this president doesn't care about Puerto Rico".
Ottmar Chavez, head of the General Services Administration (GSA) in Puerto Rico, said he only became aware of the water bottles on Wednesday.
"The missing part was empathy", Mr. Bossert said.