Overall Rating Expired
Overall Score Expired
Liaison Nadia Harduar
Submission Date April 21, 2016
Executive Letter Download

STARS v2.0

University of Ontario Institute of Technology
OP-26: Water Use

Status Score Responsible Party
Complete Expired Melissa Mirowski
Asset and Sustainability Planner
Office of Campus Infrastructure and Sustainability
"---" indicates that no data was submitted for this field

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

Total water use (potable and non-potable combined)::
Performance Year Baseline Year
Total water use 23950 Cubic Metres 20403.51 Cubic Metres

Potable water use::
Performance Year Baseline Year
Potable water use 23950 Cubic Metres 20403.51 Cubic Metres

Figures needed to determine "Weighted Campus Users"::
Performance Year Baseline Year
Number of residential students 0 0
Number of residential employees 0 0
Number of in-patient hospital beds 0 0
Full-time equivalent enrollment 8746 8347
Full-time equivalent of employees 1623 604
Full-time equivalent of distance education students 121.50 121.50

Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 122128.05 Square Metres 93481.47 Square Metres

Area of vegetated grounds::
Performance Year Baseline Year
Vegetated grounds 117.86 Hectares 55.16 Hectares

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year Jan. 1, 2015 Dec. 31, 2015
Baseline Year Jan. 1, 2013 Dec. 31, 2013

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Recycled/reused water withdrawn from off-campus sources, performance year: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:

Storm water collection and management

Each building has been designed with a second plumbing system that collects storm water from the roofs and stores it in a 250,000-litre bioswale cistern. This water is then used for irrigation and flushing within the Business and Information Technology building, reducing the university's fresh water consumption of treated water from municipal sources.

Grey water collection and management

The Aquatic Toxicology Laboratory uses approximately 88,000 litres of fresh water every day. This water is supplied by ground-source wells to ensure high-quality water that is low in metals. Grey water is then directed to a 50,000-litre underground cistern, where it is reused. Grey water usage within the buildings is then directed into the storm water management system.

These systems, along with state-of-the-art sensor controls and low-flow water features throughout the buildings, help the university save 32 million litres of water every year.


A brief description of any water metering and management systems employed by the institution:
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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:

UOIT has state-of-the-art sensor controls and low-flow water features throughout the buildings


A brief description of any policies or programs employed by the institution to replace appliances, equipment and systems with water-efficient alternatives:

UOIT is designed with water efficient alternatives. The office of campus infrastructure and sustainability will continue to implement these practices when building or making changes to existing structures in the future.


A brief description of any water-efficient landscape design practices employed by the institution (e.g. xeriscaping):
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A brief description of any weather-informed irrigation technologies employed by the institution:
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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:

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.