Overall Rating Silver - expired
Overall Score 47.35
Liaison Mike Evans
Submission Date Aug. 1, 2011
Executive Letter Download

STARS v1.0

Williams College
OP-23: Stormwater Management

Status Score Responsible Party
Complete 2.00 / 2.00 Stephanie Boyd
Former Director
Zilkha Center for Environmental Initiatives
"---" indicates that no data was submitted for this field

Does the institution have a policy, plan, and/or strategies to reduce stormwater runoff from new development projects? :
Yes

Does the institution have a policy, plan, and/or strategies to reduce stormwater runoff from ongoing campus operations? :
Yes

A brief description of the institution's stormwater management initiatives:

-Catch basins that remove 80% of total suspended solids (TSS) from storm drains. They are cleaned once every 2 years.
-36" diameter perforated pipes below the surface of Paresky Lawn, allowing water to slowly drain into surrounding earth rather than running off over impervious surfaces
-Stormwater drains are monitered to catch more serious, non-solid contaminants from flowing into the local water source


The website URL where information about the institution's stormwater management initiatives, plan or policy is available:
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Does the institution have a living or vegetated roof?:
Yes

A brief description of the institution's living or vegetated roof:

There are living roofs on top of Hollander and Shapiro Hall


Does the institution have porous paving?:
No

A brief description of the institution's porous paving:
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Does the institution have retention ponds?:
Yes

A brief description of the institution's retention ponds:

The campus does have a mixture of retention and detention structures, most of them buried beneath grass surfaces. One pond that comes to mind is located to the south of Schapiro Hall in the landscape area. There is a depression towards the end of the landscape area that acts as a pond.


Does the institution have stone swales?:
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A brief description of the institution's stone swales:

The Children Center and other location around campus have stone swales.


Does the institution have vegetated swales?:
Yes

A brief description of the institution's vegetated swales:

Upper and lower Cole field have grass swales


Does the institution employ any other technologies or strategies for stormwater management?:
Yes

A brief description of other technologies or strategies for stormwater management employed:

-Catch basins that remove 80% of total suspended solids (TSS) from strom drains. They are pumped once every 2 years.
-36" diameter perforated pipes below the surface of Paresky Lawm, allowing water to slowly drain into surrounding earth rather than running off over impervious surfaces
-Stormwater drains are monitered to catch more serious, non-solid contaminants from flowing into the local water source


Data source(s) and notes about the submission:
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The information presented here is self-reported. While AASHE staff review portions of all STARS reports and institutions are welcome to seek additional forms of review, the data in STARS reports are not verified by AASHE. If you believe any of this information is erroneous or inconsistent with credit criteria, please review the process for inquiring about the information reported by an institution or simply email your inquiry to stars@aashe.org.