Overall Rating Silver
Overall Score 48.37
Liaison Calandra Lake
Submission Date Dec. 20, 2016
Executive Letter Download

STARS v2.1

College of William & Mary
OP-22: Water Use

Status Score Responsible Party
Complete 4.59 / 5.00 Dan Patterson
Associate Director, Utilities
Facilities Management
"---" indicates that no data was submitted for this field

Level of ”Physical Risk QUANTITY” for the institution’s main campus as indicated by the World Resources Institute’s Aqueduct Water Risk Atlas:
Medium to High

Total water use (potable and non-potable combined):
Performance Year Baseline Year
Total water use 162318830 Gallons 209590000 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 139118830 Gallons 186390000 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year July 1, 2014 June 30, 2015
Baseline Year July 1, 2004 June 30, 2005

A brief description of when and why the water use baseline was adopted:
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Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 4838 4419
Number of employees resident on-site 1 1
Number of other individuals resident on-site and/or staffed hospital beds 0 0
Total full-time equivalent student enrollment 8332 6929
Full-time equivalent of employees (staff + faculty) 2482 1683
Full-time equivalent of students enrolled exclusively in distance education 94 0
Weighted campus users 9249.75 7564

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 15040.28 Gallons 24641.72 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
38.96

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 4135748 Gross Square Feet 3403602 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 33.64 Gallons / GSF 54.76 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
38.57

Does the institution wish to pursue Part 3 of this credit? (reductions in total water use per acre/hectare of vegetated grounds):
Yes

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 890 Acres 890 Acres

Total water use (potable + non-potable) per unit of vegetated grounds:
Performance Year Baseline Year
Total water use per unit of vegetated grounds 182380.71 Gallons / Acre 235494.38 Gallons / Acre

Percentage reduction in total water use per unit of vegetated grounds from baseline:
22.55

A brief description of the institution's water-related behavior change initiatives, e.g. initiatives to shift individual attitudes and practices such as signage and competitions:
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A brief description of the institution's water recovery and reuse initiatives:
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A brief description of the institution's initiatives to replace plumbing fixtures, fittings, appliances, equipment, and systems with water-efficient alternatives (e.g. building retrofits):
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The website URL where information about the programs or initiatives is available:
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Additional documentation to support 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 and complete the Data Inquiry Form.