Roger Williams Park – Dalrymple Boathouse

Address: Cladrastis Ave., Providence

Owner: Providence Parks Department

Type: Infiltration Basin

Location of Roger Williams Park – Dalrymple Boathouse

Location: 41.78400°N 71.41259°W
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Site Description: This site is located on Cladrastis Ave, in front of the Dalyrmple Boathouse in Roger Williams Park. It is classified as an infiltration basin, which is a low grassy depression that collects stormwater during rain events. Stormwater enters the site through a break in the curb that allows water to flow through the sidewalk and into the basin. Inside the basin, the soil and grass act as a filtering mechanism to remove pollutants from the stormwater. When the basin reaches full capacity, excess stormwater drains through an overflow structure. The captured stormwater should absorb into the soil within 24-48 hours after a rainstorm.

Photo-Video Tips: Stand near the break in the curb to capture video of stormwater flowing through the opening and into the basin. Also, capture video of the stormwater accumulating in the basin and draining properly.

Reports 1 to 5 of 12

Observation on 5/16/2024: 6:38pm -

How recently did it rain: 1-3 hours ago

How heavy was that rain: Heavy Rain

Is anything preventing water from flowing into the system (e.g., debris, trash, vegetation): No

Is there standing water in the system: Yes

Notes/Comments:

Smaller exit on dry but larger section is holding water. Birds enjoying i

More erosion on inside of grate/flow from street. Green netting visible

Observation on 5/16/2024: 12:47pm -

How recently did it rain: Raining at the time

How heavy was that rain: Heavy Rain

Is anything preventing water from flowing into the system (e.g., debris, trash, vegetation): No

Is there standing water in the system: Yes

Observation on 2/23/2024: 2:00pm -

How recently did it rain: 6-24 hours ago

How heavy was that rain: Light Shower

Is anything preventing water from flowing into the system (e.g., debris, trash, vegetation): No

Is there standing water in the system: No

Notes/Comments:

Snow melt today.
43 F

Deeper erosion at inlet point from street

Observation on 1/14/2024: 12:28pm -

How recently did it rain: 6-24 hours ago

How heavy was that rain: Heavy Rain

Is anything preventing water from flowing into the system (e.g., debris, trash, vegetation): No

Is there standing water in the system: Yes

Notes/Comments:

Tiny bit of frozen water. Intake area shows signs of erosion. Maybe add rocks?

Observation on 1/10/2024: 2:30pm -

How recently did it rain: 3-6 hours ago

How heavy was that rain: Torrential Rain

Is anything preventing water from flowing into the system (e.g., debris, trash, vegetation): No

Is there standing water in the system: Yes

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