Overall Rating Gold
Overall Score 68.36
Liaison Patricia Huynh
Submission Date Dec. 10, 2024

STARS v2.2

University of Waterloo
OP-21: Water Use

Status Score Responsible Party
Complete 0.61 / 4.00 Patricia Huynh
Sustainability Projects Manager
Sustainability Office
"---" 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 to Medium

Part 1. Reduction in potable water use per person 

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 567,848 Cubic meters 559,946 Cubic meters

Potable water use:
Performance Year Baseline Year
Potable water use 567,848 Cubic meters 559,946 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, 2023 Dec. 31, 2023
Baseline Period Jan. 1, 2015 Dec. 31, 2015

If end date of the baseline year/period is 2004 or earlier, provide:

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

The 2015 baseline year was adopted for consistency with other energy and emissions baselines.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 5,840 5,200
Number of employees resident on-site 0 0
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 37,564 33,203
Full-time equivalent of employees 6,043 5,603
Full-time equivalent of students enrolled exclusively in distance education 1,887 979
Weighted campus users 32,750 29,670.25

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 17.34 Cubic meters 18.87 Cubic meters

Percentage reduction in potable water use per weighted campus user from baseline:
8.13

Part 2. Reduction in potable water use per unit of floor area

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 804,175 Gross square meters 749,162 Gross square meters

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 0.71 Cubic meters per square meter 0.75 Cubic meters per square meter

Percentage reduction in potable water use per unit of floor area from baseline:
5.53

Part 3. Reduction in total water withdrawal per unit of vegetated grounds 

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 481 Hectares 481 Hectares

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 1,180.56 Cubic meters per hectare 1,164.13 Cubic meters per hectare

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
-1.41

Optional Fields 

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:
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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 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.