Overall Rating Gold
Overall Score 67.08
Liaison Philip Mansfield
Submission Date March 4, 2022

STARS v2.2

Carleton University
OP-21: Water Use

Status Score Responsible Party
Complete 4.00 / 4.00 Philip Mansfield
Sustainability Manager
Facilities Management and Planning
"---" 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 256,688 Cubic meters 452,901 Cubic meters

Potable water use:
Performance Year Baseline Year
Potable water use 256,688 Cubic meters 452,901 Cubic meters

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period Jan. 1, 2021 Dec. 1, 2021
Baseline Period Jan. 1, 2013 Dec. 31, 2013

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

The baseline was adopted as 2013/14 due to confidence in water metering and data from this period.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 3,598 3,500
Number of employees resident on-site 0 0
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 27,856 27,856
Full-time equivalent of employees 1,972 1,900
Full-time equivalent of students enrolled exclusively in distance education 1,000 1,000
Weighted campus users 22,520.50 22,442

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 256,688 Cubic meters 452,901 Cubic meters

Percentage reduction in potable water use per weighted campus user from baseline:
43.52

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 442,080.72 Gross square meters 442,080.72 Gross square meters

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 0.58 Cubic meters per square meter 1.02 Cubic meters per square meter

Percentage reduction in potable water use per unit of floor area from baseline:
43.32

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 13 Hectares 13 Hectares

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 19,745.23 Cubic meters per hectare 34,838.54 Cubic meters per hectare

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
43.32

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

Currently, we are working with an energy/water service company through a series of ESCOs to reduce energy and water consumption throughout campus.


Website URL where information about the institution’s water conservation and efficiency efforts is available:
Additional documentation to support the submission:
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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.