Overall Rating Gold
Overall Score 65.41
Liaison Ian Johnson
Submission Date April 19, 2024

STARS v2.2

Colorado College
OP-21: Water Use

Status Score Responsible Party
Complete 6.00 / 6.00
"---" 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:
Extremely High

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 48,850,335.58 Gallons 99,862,583.27 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 32,428,605.51 Gallons 49,859,040.58 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period July 1, 2022 June 30, 2023
Baseline Period July 1, 2008 June 30, 2009

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 1,826 1,542
Number of employees resident on-site 11 25
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 2,151 1,978.50
Full-time equivalent of employees 787 626
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 2,662.75 2,345.13

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 12,178.61 Gallons 21,260.72 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
42.72

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 2,363,320 Gross square feet 2,002,259.56 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 13.72 Gallons per square foot 24.90 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
44.90

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 479.20 Acres 35.51 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 101,941.43 Gallons per acre 2,812,318.44 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
96.38

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

Colorado College has instituted specific staff training as well as the installation of sub meters on large water consuming infrastructure such as the pool, cooling structures, etc. Building automation is used to identify larger than normal fill volumes.


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

Landscape zones are irrigated with City of Colorado Springs-supplied non-potable water, a combination of raw water from a local reservoir and treated domestic wastewater.


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

Facilities Services has published Guidelines for Sustainable O&M and Purchasing to guide decisions and promote water efficiency and sustainability on campus. These include campus standards when replacing water consuming equipment and appliances.


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.