As of Friday, power has only been restored for 10.7 percent of the island and 55.5 percent of people have drinking water, according to status.PR, a Spanish-language website maintained by the governor's office.
Wearing a shirt emblazoned with the word "Nasty", the mayor of Puerto Rico's biggest city ripped into President Donald Trump on Wednesday for his response to the devastation left on the us territory by Hurricane Maria.
Mexico offered the aid even through its relations with the United States have been strained ever since Donald Trump assumed office in January.
However, the White House disagrees with the US President. He also noted that Trump didn't tell jokes about Texas and Florida after their hurricanes. The country, however, withdrew the offer after it was struck by two major earthquakes in early September.
"Every death is a horror, but if you look at a real catastrophe like Katrina, and you look at the tremendous - hundreds and hundreds and hundreds of people that died, and you look at what happened here, with really a storm that was just totally overpowering, nobody's ever seen anything like this", Mr Trump said.
President Donald Trump and first lady Melania Trump walk after arrival at the Luis Muñiz Air National Guard Base in San Juan, Puerto Rico. You know, they owe a lot of money to your friends on Wall Street.
Before leaving Washington, he said Puerto Ricans who have called the federal response insufficient "have to give us more help".
After President Donald Trump criticized the storm-ravished island of Puerto Rico, its mayor, Carmen Yulín Cruz, clapped back Wednesday when she sported a t-shirt that read "nasty" during a television interview.
After revealing the gross shortage of supplies Puerto Rico has received, she said she was done playing nice: "So I am done being polite, I am done being politically correct".
The President also memorably described Clinton as a "nasty woman" on the campaign trial a year ago.
"People are going to become more conscious of how they are living, and invest more in solar", he said.
Many are uniting with former mayor Henry Cisneros to get help to the victims of Hurricane Maria. "We continue to support the governors and citizens of Puerto Rico and the U.S. Virgin Islands in response to Hurricane Maria".
During Trump's visit to the US territory on Tuesday, the mayor and president shook hands.
With economic activity on the island paralyzed, sales and income tax collection is expected to all but vanish, along with fees to the public water and electricity utilities.
The board sent a letter to Congressional leaders Tuesday pleading for "the maximum federal assistance to Puerto Rico", including grants and low-interest loans, saying the island will "face severe cash shortfalls from lower revenues, higher costs, and delayed or reduced cost-saving measures".