Holly Ewald

Holly Ewald, is a community engaged public artist who first learned about the toxic impacts of rainwater runoff from our streets while raising awareness about Mashapaug Pond. After 10 years of celebratory processions in honor of Mashapaug, she’s worked her way down the watershed to the Roger Williams Park Ponds. Here she hopes to inspire everyone to imagine innovative ways they can be part of cleaning the ponds that we, and all the creatures that call them home, love.

Call us:


ext 3044

Find us: 

Providence Stormwater Innovation Center

Roger Williams Park

1000 Elmwood Ave

Providence, Rhode Island  02907


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