Figure 1. Photographs showing example best management practices

USGS Science Summary—USGS develops novel approach to assess efficiency of stormwater management practices—Figure 1. Photographs showing example best management practices (BMPs) in the Chesapeake Bay watershed, Maryland: (A) bioretention cell; (B) detention pond; (c) sand filter; (D) grass swale. Photographs by Kristina Hopkins, U.S. Geological Survey.