Overall Rating	Gold
Overall Score	67.68
Liaison	Mei May
Submission Date	Nov. 22, 2023

STARS v2.2

University of Texas at San Antonio
OP-21: Water Use

Status

Score

Responsible Party

4.99 / 5.00

Dagoberto Rodriguez
Energy Manager
REM

"---" 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:

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	159,278,000 Gallons	227,223,000 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	159,278,000 Gallons	227,223,000 Gallons

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

	Start Date	End Date
Performance Period	Sept. 1, 2021	Aug. 31, 2022
Baseline Period	Sept. 1, 2016	Aug. 31, 2017

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:

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Figures needed to determine "Weighted Campus Users":

	Performance Year	Baseline Year
Number of students resident on-site	4,585	3,000
Number of employees resident on-site	0	0
Number of other individuals resident on-site	0	0
Total full-time equivalent student enrollment	28,532	18,000
Full-time equivalent of employees	3,398	3,000
Full-time equivalent of students enrolled exclusively in distance education	7,397	0
Weighted campus users	19,546	16,500

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	8,148.88 Gallons	13,771.09 Gallons

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

40.83

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	6,025,915 Gross square feet	5,387,716 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	26.43 Gallons per square foot	42.17 Gallons per square foot

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

37.33

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

Area of vegetated grounds:

	Performance Year	Baseline Year
Vegetated grounds	0 Acres	1 Acres

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	159,278,000 Gallons per acre	227,223,000 Gallons per acre

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

29.90

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:

Applied Engineering Technology Building at the Main Campus captures cooling coil condensate (fin water) and directs condensate to the South Thermal Energy Plant for use as cooling tower make-up water. All water for decorative fountain at the Hemisfair Park Campus comes from ground water located below the Institute of Texan Cultures.

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

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

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Additional documentation to support the submission:

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Data source(s) and notes about the submission:

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