Overall Rating Gold
Overall Score 73.84
Liaison Andrew Horning
Submission Date Dec. 19, 2022

STARS v2.2

University of Michigan
OP-21: Water Use

Status Score Responsible Party
Complete 2.78 / 4.00 Kenneth Keeler
Senior Sustainability Rep
Office of Campus Sustainability
"---" 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 1,046,796,235 Gallons 1,206,818,521 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 1,007,879,757 Gallons 1,176,390,072 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period July 1, 2021 June 30, 2022
Baseline Period July 1, 2009 June 30, 2010

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:
FY2010 is used to align with University carbon neutrality goals.

Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 11,068 9,810
Number of employees resident on-site 114 310
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 47,899 39,807
Full-time equivalent of employees 43,015 32,546
Full-time equivalent of students enrolled exclusively in distance education 1,528 0
Weighted campus users 69,835 56,794.75

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 14,432.30 Gallons 20,713.01 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
30.32

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 38,606,021 Gross square feet 33,998,091 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 26.11 Gallons per square foot 34.60 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
24.55

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

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 2,510 Acres 2,660 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 417,050.29 Gallons per acre 453,691.17 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
8.08

Optional Fields 

A brief description of the institution's water-related behavior change initiatives:
The Planet Blue Ambassador sustainability training program includes a section on water conservation actions.

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

A brief description of the institution's initiatives to replace plumbing fixtures, fittings, appliances, equipment, and systems with water-efficient alternatives:
The Architecture, Engineering and Construction Energy and Water Conservation Design Guideline calls for the incorporation of water conservation measures that in aggregate use 20 percent less water than a baseline water use.

Website URL where information about the institution’s water conservation and efficiency efforts is available:
Additional documentation to support the submission:
---

Data source(s) and notes about the submission:
OCS Environmental Metrics Report

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.