Overall Rating Silver - expired
Overall Score 47.51
Liaison Mike Evans
Submission Date Feb. 2, 2016
Executive Letter Download

STARS v2.0

Williams College
OP-26: Water Use

Status Score Responsible Party
Complete 1.32 / 2.00 Ken Jensen
Assistant Director for Facility Operations
Facilities
"---" indicates that no data was submitted for this field

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Level of water risk for the institution’s main campus:
Low

Total water use (potable and non-potable combined)::
Performance Year Baseline Year
Total water use 38,875,804 Gallons 46,851,728 Gallons

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Potable water use::
Performance Year Baseline Year
Potable water use 35,187,416 Gallons 42,406,614.75 Gallons

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Figures needed to determine "Weighted Campus Users"::
Performance Year Baseline Year
Number of residential students 1,973 1,851
Number of residential employees 136 124
Number of in-patient hospital beds 0 0
Full-time equivalent enrollment 2,079 1,997
Full-time equivalent of employees 1,064 989
Full-time equivalent of distance education students 0 0

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Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 2,491,400 Square feet 2,366,400 Square feet

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Area of vegetated grounds::
Performance Year Baseline Year
Vegetated grounds 435.70 Acres 436.42 Acres

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Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year July 1, 2013 June 30, 2014
Baseline Year July 1, 2004 June 30, 2005

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A brief description of when and why the water use baseline was adopted:
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Water recycled/reused on campus, performance year:
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Recycled/reused water withdrawn from off-campus sources, performance year:
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A brief description of any water recovery and reuse systems employed by the institution:
None in use at this time. We are currently building a Living Building Challenge building that will utilize such systems.

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A brief description of any water metering and management systems employed by the institution:
The campus uses "master meter" which uses 3G to allow remote reading of water meters in each building. Each campus structure is metered separately.

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A brief description of any building retrofit practices employed by the institution, e.g. to install high efficiency plumbing fixtures and fittings:
We now replace 1.6 gallon flush toilets with 1.28 gallon flush toilets. We now replace urinals with the college's standard - water-less urinals.

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A brief description of any policies or programs employed by the institution to replace appliances, equipment and systems with water-efficient alternatives:
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A brief description of any water-efficient landscape design practices employed by the institution (e.g. xeriscaping):
Water efficient landscaping that incorporates native plants and requires no irrigation once established

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A brief description of any weather-informed irrigation technologies employed by the institution:
Soil is tested by hard to assess need for watering. Then, irrigation decision is made using forecasted weather to assess the necessity of irrigation.

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A brief description of other water conservation and efficiency strategies employed by the institution:
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The website URL where information about the institution’s water conservation and efficiency initiatives is available:
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.