A Washington Post color analysis of D.C. found shades of gray permeate neighborhoods where markers of gentrification have ...
Red, yellow ... for a 4-story house that's 61 by 61 and 40 ft tall. Blue: 1500 GPM or more, for a 4-story house that's 70 by 70 feet and 40 ft tall. Some colors don't always refer to GPM.