Overall Rating Gold
Overall Score 68.21
Liaison Jeremy King
Submission Date Sept. 19, 2022

STARS v2.2

Denison University
OP-21: Water Use

Status Score Responsible Party
Complete 3.53 / 4.00 Jeremy King
Campus Sustainability Coordinator
Office of the President
"---" 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

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 34,616,000 Gallons 46,329,000 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 32,616,000 Gallons 44,329,000 Gallons

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 July 1, 2004 June 30, 2005

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

This is the earliest date for which we have accurate data.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 1,893 2,099
Number of employees resident on-site 10 6
Number of other individuals resident on-site 5 2
Total full-time equivalent student enrollment 2,253 2,099
Full-time equivalent of employees 751 576
Full-time equivalent of students enrolled exclusively in distance education 365 0
Weighted campus users 2,460 2,534.50

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 13,258.54 Gallons 17,490.23 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
24.19

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 1,956,253 Gross Square Feet 1,634,997 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 16.67 Gallons / GSF 27.11 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
38.51

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 835 Acres 835 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 41,456.29 Gallons / Acre 55,483.83 Gallons / Acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
25.28

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

Denison has adopted landscaping guidelines that put a preference on native plant species and landscape designs that do not require irrigation.


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

Denison uses water sourced from wells, ponds, streams, and harvested rainwater for its irrigation use. The boilers for the heating plant use non-potable well water.


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

Denison has been systematically replacing all toilets and fixtures with low flow options. Nearly 100 percent of shower fixtures are low flow. All sinks are fitted with low-flow aerators.


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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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.