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Individual Highlight

Green Stormwater Infrastructure Reduces Crime

Photo of Stormwater tree trench and pervious pavers. USDA Forest ServiceStormwater tree trench and pervious pavers. USDA Forest ServiceSnapshot : Forest Service scientists tested the effects of green stormwater infrastructure installation on health and safety outcomes across Philadelphia and found that for green stormwater infrastructure sites constructed between 2000 and 2011, there was a significant decrease in the occurrence of narcotics possession at nearby locations, compared to at control locations.

Principal Investigators(s) :
Kondo, Ph.D., Michelle 
Research Location : Philadelphia, PA
Research Station : Northern Research Station (NRS)
Year : 2015
Highlight ID : 849

Summary

Forest Service scientists tested the effects of green stormwater infrastructure (GSI) installation on health and safety outcomes across Philadelphia from 2000 to 2011. Locations near green stormwater infrastructure sites constructed between 2000 and 2011 experienced a significant decrease in occurrences of narcotics possession compared to control locations. This analysis suggests that GSI installation may be a deterrent to the possession and manufacture of illegal drugs in public spaces. Although safety outcomes are not typically included in cost-benefit assessments of GSI programs, the findings indicate that they could be included as GSI programs such as the one in Philadelphia move forward.

Forest Service Partners

External Partners

  • Sarah Low
  • Charles Branas?
  • Jason Henning