Overall Rating Gold
Overall Score 68.39
Liaison Brian Liechti
Submission Date March 4, 2020

STARS v2.2

Warren Wilson College
OP-21: Water Use

Status Score Responsible Party
Complete 0.06 / 4.00 Margo Flood
Sustainability Project Coordinator
Finance and Administration
"---" 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 Aqueduct Water Risk Atlas:
Low

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 14,286,800 Gallons 14,203,226 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 14,286,800 Gallons 14,203,226 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period July 1, 2018 July 1, 2019
Baseline Period July 1, 2006 July 1, 2007

A brief description of when and why the water use baseline was adopted:

This baseline was adopted because it represents the first year we started tracking water usage on campus.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 617 700
Number of employees resident on-site 5 5
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 695 830
Full-time equivalent of employees 192 215
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 820.75 960

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 17,407.01 Gallons 14,795.03 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
0

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 684,934 Gross Square Feet 671,331 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 20.86 Gallons / GSF 21.16 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
1.41

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 1,017 Acres 1,017 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 14,047.98 Gallons / Acre 13,965.81 Gallons / Acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
0

A brief description of the institution's water-related behavior change initiatives:

Behavior change initiatives are focused on reduction of hot water usage. For managed lands, the focus is on using river water or rain cistern water whenever possible.


A brief description of the institution's water recovery and reuse initiatives:

Ecodorm harvests rainwater from its roof and stores it in a 10,000 gallon underground railroad car. This water is used for toilets in the dorm as well as watering the garden in front of the dorm. Irrigation used in the College research and plant demonstration greenhouses is from a rain cistern.


A brief description of the institution's initiatives to replace plumbing fixtures, fittings, appliances, equipment, and systems with water-efficient alternatives:

Every dorm on campus has been retrofitted with more efficient water heads.


Website URL where information about the institution’s water conservation and efficiency efforts is available:
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Additional documentation to support the submission:
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DAta sources for this report were the Accounting Office for water records and Facilities Management staff for practices campus-wide. Water conservation practices among land managers is discussed in the Landscape Management form, OP-9.

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.