Overall Rating Gold
Overall Score 78.00
Liaison Katie Maynard
Submission Date Feb. 29, 2024

STARS v2.2

University of California, Santa Barbara
OP-21: Water Use

Status Score Responsible Party
Complete 4.29 / 6.00 Jewel Persad
Sustainability Manager
Administration
"---" 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:
High

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 256,524,356 Gallons 276,212,546.60 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 202,376,636 Gallons 221,189,598.70 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, 2005 June 30, 2008

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

N/A


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 10,195 6,260
Number of employees resident on-site 214 0
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 23,869 19,664
Full-time equivalent of employees 5,115.60 4,803
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 24,340.70 19,915.25

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 8,314.33 Gallons 11,106.54 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
25.14

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 8,853,172 Gross square feet 4,258,936 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 22.86 Gallons per square foot 51.94 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
55.99

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 766.90 Acres 750 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 334,495.18 Gallons per acre 368,283.40 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
9.17

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

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:
---

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:
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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.