San Francisco Squalor: City Streets Strewn With Trash, Needles And Human Feces

San Francisco's streets are so filthy that at least one infectious disease expert has compared the city to some of the dirtiest slums in the world.

The NBC Bay Area Investigative Unit surveyed 153 blocks of the city in February, finding giant mounds of trash and food on the majority of streets. At least 100 discarded needles and more than 300 piles of human feces were also found in downtown San Francisco, according to the report.

San Francisco's new Mayor London Breed has proposed adding nearly $13 million extra dollars to the city's $60 million street cleaning budget over the next two years.

"I will say there is more feces on the sidewalks than I've ever seen growing up here," Breed told NBC Bay Area last month. "We have to make sure people who live here, [and] sadly, people who are homeless here, that they are also held accountable for taking care of our streets. This is our home."

Mohammed Nuru, San Francisco's director of public works , is the city's point man charged with cleaning up the streets. He tells Here & Now's Jeremy Hobson that "it's definitely challenging times," and that the department has been diverted away from normal trash pick-up routes into the areas concentrated by people who are homeless.

"Our resources have been focused on really trying to clean up areas that mostly have been trashed by homeless, had tents where people [were] living in them," Nuru says. "People were using the streets for the bathroom. ... It creates definitely a different problem."

The sprawling California city that is a hub for major tech companies such as Uber, Twitter and Microsoft is being choked by an affordable housing crisis that is pushing more people onto the streets.

The 2017 San Francisco Point-In-Time Count, a report on the city's homeless population, identified 7,499 sheltered and unsheltered homeless persons in the city of 884,000. Nearly 49 percent of those were counted in neighborhoods surrounding downtown.

San Francisco has become "a magnet" for the homeless because the city has boosted spending to fight the crisis over the past five years, Nuru says. The West Coast cities of Seattle, San Diego and Sacramento, Calif., are also experiencing severe shortages of affordable housing.

"A large number of the people we see on our streets are not necessarily from San Francisco," he says. "They are coming from surrounding counties and in some cases, across state lines."

The filth in the street is raising alarms among medical experts. The biggest concern: the spread of disease.

Dr. Lee Riley, an infectious disease expert at the University of California, Berkeley, told NBC Bay Area that dried feces can release dangerous viruses, such as rotavirus, which is the most common cause of diarrhea in infants and children worldwide. Getting pricked with discarded drug needles can also spread HIV, Hepatitis C and Hepatitis B, among other viruses, Riley said.

"The contamination is ... much greater than communities in Brazil or Kenya or India," says Riley, who researched health conditions caused by extreme poverty in some of the world's poorest slums.

Street conditions in San Francisco are so bad that a Chicago-based medical association recently decided to cancel future events in the city, including a major convention that normally hosts more than 15,000 attendees, according to the San Francisco Travel Association, which declined to name the organization.

Nuru says the tourism industry is concerned street conditions will affect their bottom line. According to the San Francisco Travel Association, spending by tourists reached more than $9 billion in 2017.

"We have been working with the convention staff ... our tourist industry and really trying to address the concerns," he says. "I would hope that this is just a short-term type of concern and that we can really get our city to where it should be: a nice clean destination for people who want to come out to the West Coast."

In addition to spending more on cleaning the streets, the city also plans to spend nearly $280 million this year on housing and services for people who are homeless. The mayor says she expects the streets to be cleaned up in three months.

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