How Much Rain Can Nyc Sewers Handle?
But New York’s century-and-a-half-old sewer system was designed to handle no more than 1.75 inches of rain in a one-hour rainstorm. When rain exceeds that amount, or storms last longer, you get flooding. Does NYC flood sewers? All told, more than 20 billion gallons of feces-polluted water is flushed out onto the city’s coastline every …