Overall Rating	Silver
Overall Score	54.69
Liaison	Trevor Ledbetter
Submission Date	Jan. 6, 2025

STARS v2.2

University of Arizona
OP-21: Water Use

Status

Score

Responsible Party

1.23 / 6.00

Trevor Ledbetter
Director
Office of 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:

Extremely 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	546,689,000 Gallons	543,299,000 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	479,060,000 Gallons	459,183,000 Gallons

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

	Start Date	End Date
Performance Period	July 1, 2022	June 30, 2023
Baseline Period	July 1, 2019	July 30, 2020

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:

This baseline year was used because it is the beginning of the three year reporting period, consistent with the rest of the report.

Figures needed to determine "Weighted Campus Users":

	Performance Year	Baseline Year
Number of students resident on-site	7,191	5,007
Number of employees resident on-site	30	0
Number of other individuals resident on-site	0	0
Total full-time equivalent student enrollment	47,008	36,580
Full-time equivalent of employees	11,194	10,149
Full-time equivalent of students enrolled exclusively in distance education	8,904	5,664
Weighted campus users	38,778.75	32,050.50

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	12,353.67 Gallons	14,326.86 Gallons

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

13.77

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	13,181,505 Gross square feet	12,052,075 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	36.34 Gallons per square foot	38.10 Gallons per square foot

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

4.61

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

Area of vegetated grounds:

	Performance Year	Baseline Year
Vegetated grounds	291 Acres	291 Acres

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	1,878,656.36 Gallons per acre	1,867,006.87 Gallons per acre

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

-0.62

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:

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

The University's Facilities Management department has a program to systematically replace plumbing fixtures (toilets, urinals) with high efficiency replacement that meet or exceed the standards of the local utility and WaterSense listing as resources are available. Projects are undertaken using the university's Utility Modification Revolving Fund and via grants from the Campus Sustainability Fund, as well as with department resources when available.

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

https://sustainability.arizona.edu/

Additional documentation to support the submission:

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Data source(s) and notes about the submission:

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