Overall Rating	Gold
Overall Score	77.56
Liaison	John Pumilio
Submission Date	Oct. 11, 2022

STARS v2.2

Colgate University
OP-21: Water Use

Status

Score

Responsible Party

5.00 / 5.00

John Pumilio
Director of Sustainability
Sustainability Office

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Level of ”Physical Risk Quantity” for the institution’s main campus as indicated by the World Resources Institute Aqueduct Water Risk Atlas:

Medium to High

Part 1. Reduction in potable water use per person

Total water withdrawal (potable and non-potable combined):

	Performance Year	Baseline Year
Total water withdrawal	216,145.59 Cubic meters	430,502.07 Cubic meters

Potable water use:

	Performance Year	Baseline Year
Potable water use	216,145.59 Cubic meters	430,502.07 Cubic meters

Start and end dates of the performance year and baseline year (or three-year periods):

	Start Date	End Date
Performance Period	July 1, 2020	June 30, 2021
Baseline Period	June 1, 2004	May 31, 2005

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:

Fiscal Year 2004-5 is the earliest year we have reliable metered water data for.

Figures needed to determine "Weighted Campus Users":

	Performance Year	Baseline Year
Number of students resident on-site	2,426	2,561
Number of employees resident on-site	4	7
Number of other individuals resident on-site	0	0
Total full-time equivalent student enrollment	2,676	2,811
Full-time equivalent of employees	962	946
Full-time equivalent of students enrolled exclusively in distance education	0	0
Weighted campus users	3,336	3,459.75

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	64.79 Cubic meters	124.43 Cubic meters

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

47.93

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	233,832.58 Gross square meters	186,990.61 Gross square meters

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	0.92 Cubic meters per square meter	2.30 Cubic meters per square meter

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

59.85

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

Area of vegetated grounds:

	Performance Year	Baseline Year
Vegetated grounds	489.27 Hectares	515.97 Hectares

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	441.78 Cubic meters per hectare	834.35 Cubic meters per hectare

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

47.05

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:

We do collect stormwater run-off in rain barrels to assist with the irrigation of our 0.5 acre organic garden.

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

In 2011-12, we replaced all showerheads on campus with low-flow models. We also installed aerated faucets and low-flow toilets in all renovations and in some cases as part of general replacement.

Website URL where information about the institution’s water conservation and efficiency efforts is available:

https://sites.google.com/a/colgate.edu/2011-2015-sustainability-and-climate-action-plan/water-conservation

Additional documentation to support the submission:

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Data source(s) and notes about the submission:

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