Apparently, San Francisco needs to get the "s***hole" treatment from President Trump because, according to NBC News, the homeless haven has become so filth-infested that it literally is full of feces.

"An NBC Bay Area Investigation reveals a dangerous mix of drug needles, garbage, and feces throughout downtown San Francisco," reports NBC.

Surveying 153 blocks — a full 20-mile stretch — the NBC investigative team found "large heaps of garbage, food, and discarded junk," as well as "100 drug needles and more than 300 piles of feces throughout downtown."

The area is so filth-infested that preschool students have to walk by "nearly a dozen hypodermic needles scattered across one block" as they embark on a field trip.

"We see poop, we see pee, we see needles, and we see trash," said teacher Adelita Orellana. "Sometimes they ask what is it, and that’s a conversation that’s a little difficult to have with a 2-year old, but we just let them know that those things are full of germs, that they are dangerous, and they should never be touched."

On top of her job of teaching the curriculum, Orellana’s "responsibilities now include teaching young children how to avoid the contamination."

The filth makes the outbreak of diseases all the more likely, according to Dr. Lee Riley, an infectious disease expert at University of California, Berkeley. "If you do get stuck with these disposed needles you can get HIV, Hepatitis C, Hepatitis B, and a variety of other viral diseases," said Riley. "If you happen to inhale that, it can also go into your intestine."

Riley, who has researched the poorest slums in the world, says that parts of San Francisco are indeed worse than some developed countries. "The contamination is … much greater than communities in Brazil or Kenya or India," he said.

Mohammed Nuru, the Director of the Public Works Department, estimates that $30 million of the street cleaning budget, about half of it, goes toward cleaning up the mess left by the homeless encampments.

The entire Democrat-operated West Coast has been experiencing a troubling homeless problem. Since 2015, the homeless population in West Coast cities has seen such an explosion that 10 city and county governments have declared states of emergency.