Waterwise Wednesday: What’s Hidden in the Melting Snow

Photo by L. Sato
Avenue B Outfall                  Photo Credit:  L. Sato

As warmer weather melts the snow piles around town, the runoff makes its way to the city’s outfalls where the contaminants can be seen. The swirled sheen on the water’s surface is oil that was trapped in the snow. Snow traps oils, salts and sediment that are released into the runoff as the snow melts. Snowmelt runoff is one of largest sources of urban water pollution.

 

 

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