• 1: The number of blocks St. George Alley, aka "San Francisco's Filthiest Alley" runs

  • Once: The number of times San Francisco's Department of Public Works manages to clean St. George Alley per week, according to DPW's Steve Mahoney

  • 30: The number of piles of shit Mahoney says his crew and he cleans from St. George Alley on their weekly visit

  • 14: The number of years Mahoney has been power washing SF streets

  • 250: The number of gallons of water a DPW spray tank carries

  • 2-3: The number of times those alley-cleaning crews must refill those tanks daily

  • 2: The number of crews San Francisco's Department of Public Works currently devotes to cleaning SF alleys

  • 8: The number of hours in their shift

  • 5: The number of days a week these crews work

  • $1.6 million: The additional amount of DPW funding Supervisor Scott Wiener wants the mayor's office to approve

  • 11: The number of new positions that funding could add to DPW cleaning crews

  • 2: The additional number of steam cleaning crews that funding could provide

  • 8,502: The number of steam-cleaning requests DPW got last year, most of them to clean up urine and feces

  • 5,585: The number of steam-cleaning requests DPW has gotten so far this year (through May 5), again, mostly to clean up poop and pee

  • 4,600: The number of requests DPW has received to clean (mostly human waste from) Mission District streets in the last nine months

All facts and figures: Funds short for S.F.'s No. 1 and No. 2 issue: filthy streets, SF Chronicle, May 15 2014