Sign 1: The Roger Williams Park Watershed
Rainwater and snowmelt flowing into Roger Williams Park carry water from surrounding streets, sidewalks, rooftops, and neighborhoods into the park’s ponds. Some of this water also enters from Mashapaug Pond, a historically polluted waterbody connected to the park through an underground channel.
To help improve water quality, the Stormwater Innovation Center developed a Treatment Train that filters and monitors water before it continues through the park and eventually reaches Narragansett Bay. Because watersheds connect entire communities, everyday actions on the land can impact the health of local ponds, rivers, and coastal ecosystems. Protecting clean water helps support wildlife, recreation, and the people who rely on these waters every day.
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Learn more about the history of Mashapaug Pond
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Learn more about the treatment train
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Learn more about Mashapaug Pond Water Quality Monitoring
Sign 2: Life Beneath the Surface Fish of Roger Williams Park
Fish in Roger Williams Park depend on clean water and healthy habitats to survive. Native species like largemouth bass, bluegill, American eel, and yellow perch live in the park’s ponds, but water pollution and invasive species can threaten these ecosystems. Common carp, an invasive fish found in the ponds, disturb sediments and damage aquatic plants, contributing to poor water quality and algae blooms.
The Stormwater Innovation Center is working to improve pond health by monitoring water quality and managing the carp population. While many visitors enjoy fishing in the park, fish caught in these waters should not currently be eaten due to water quality concerns. Ongoing restoration efforts aim to create healthier ponds that can better support wildlife and recreation in the future.

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Learn more about the SIC’s carp management: https://www.stormwaterinnovation.org/carp-management
Fish in Roger Williams Park depend on clean water and healthy habitats to survive. Native species like largemouth bass, bluegill, American eel, and yellow perch live in the park’s ponds, but water pollution and invasive species can threaten these ecosystems. Common carp, an invasive fish found in the ponds, disturb sediments and damage aquatic plants, contributing to poor water quality and algae blooms.
The Stormwater Innovation Center is working to improve pond health by monitoring water quality and managing the carp population. While many visitors enjoy fishing in the park, fish caught in these waters should not currently be eaten due to water quality concerns. Ongoing restoration efforts aim to create healthier ponds that can better support wildlife and recreation in the future.
Sign 3: A Landscape Shaped by Water and People

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Learn more about the Narragansett Indian Tribe
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Roger Williams Park history: https://www.providenceri.gov/parks/roger-williams-park/
Sign 4: Protecting Our Park Waterways
Fish in Roger Williams Park depend on clean water and healthy habitats to survive. Native species like largemouth bass, bluegill, American eel, and yellow perch live in the park’s ponds, but water pollution and invasive species can threaten these ecosystems. Common carp, an invasive fish found in the ponds, disturb sediments and damage aquatic plants, contributing to poor water quality and algae blooms.
The Stormwater Innovation Center is working to improve pond health by monitoring water quality and managing the carp population. While many visitors enjoy fishing in the park, fish caught in these waters should not currently be eaten due to water quality concerns. Ongoing restoration efforts aim to create healthier ponds that can better support wildlife and recreation in the future.
Explore Additional Resources!
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Stormwater at Home (SIC)
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Wendy’s podcast: growing green infrastructure
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SciToons Eutrophication video
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Learn more about Green Infrastructure Monitoring and Improvement at Roger Williams Park
Fish in Roger Williams Park depend on clean water and healthy habitats to survive. Native species like largemouth bass, bluegill, American eel, and yellow perch live in the park’s ponds, but water pollution and invasive species can threaten these ecosystems. Common carp, an invasive fish found in the ponds, disturb sediments and damage aquatic plants, contributing to poor water quality and algae blooms.
The Stormwater Innovation Center is working to improve pond health by monitoring water quality and managing the carp population. While many visitors enjoy fishing in the park, fish caught in these waters should not currently be eaten due to water quality concerns. Ongoing restoration efforts aim to create healthier ponds that can better support wildlife and recreation in the future.
Sign 5: Wings Over Water
Birds of Roger Williams Park

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Sounds and images of birds mentioned
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Museum of Natural History – birds in their collections, monthly bird walks
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Learn about the Stormwater Innovation Center’s Canada Goose study: https://www.stormwaterinnovation.org/canada-goose-survey
Sign 6: Community Science at Rpger Williams Park
Fish in Roger Williams Park depend on clean water and healthy habitats to survive. Native species like largemouth bass, bluegill, American eel, and yellow perch live in the park’s ponds, but water pollution and invasive species can threaten these ecosystems. Common carp, an invasive fish found in the ponds, disturb sediments and damage aquatic plants, contributing to poor water quality and algae blooms.
The Stormwater Innovation Center is working to improve pond health by monitoring water quality and managing the carp population. While many visitors enjoy fishing in the park, fish caught in these waters should not currently be eaten due to water quality concerns. Ongoing restoration efforts aim to create healthier ponds that can better support wildlife and recreation in the future.
Explore Additional Resources!
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Learn more about SIC volunteer opportunities: https://www.stormwaterinnovation.org/volunteering
This product has been funded wholly or in part by the United States Environmental Protection Agency under Assistance Agreement CE00A01306 to the recipient. The contents of this document do not necessarily reflect the views and policies of the U.S. Environmental Protection Agency, nor does the U.S. EPA endorse trade names or recommend the use of any products, services, or enterprises mentioned in this document.
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