Overall Rating Gold - expired
Overall Score 67.57
Liaison Juliana Goodlaw-Morris
Submission Date Dec. 18, 2020

STARS v2.2

California State University, San Marcos
OP-21: Water Use

Status Score Responsible Party
Complete 4.00 / 6.00
"---" 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 50,634,192 Gallons 49,330,941 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 23,717,865 Gallons 27,010,151 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period July 1, 2018 July 30, 2019
Baseline Period July 1, 2013 June 30, 2014

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:
The baseline was chosen as this is a plateau period for building additions.

Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 652 620
Number of employees resident on-site 2 2
Number of other individuals resident on-site 3 0
Total full-time equivalent student enrollment 13,714 8,938
Full-time equivalent of employees 1,402.50 1,118
Full-time equivalent of students enrolled exclusively in distance education 426 0
Weighted campus users 11,184.38 7,697.50

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 2,120.62 Gallons 3,508.95 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
39.57

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 2,741,173 Gross square feet 1,263,548 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 8.65 Gallons per square foot 21.38 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
59.52

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

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 116 Acres 116 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 436,501.66 Gallons per acre 425,266.73 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
-2.64

Optional Fields 

A brief description of the institution's water-related behavior change initiatives:
On campus dormitories were provided with 5 minute shower timers to encourage water conservation. Signage for shorter showers and other tips was provided to all students living on campus. Also, students living in the dorms received magnets on their kitchen refrigerators about water conservation.

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

A brief description of the institution's initiatives to replace plumbing fixtures, fittings, appliances, equipment, and systems with water-efficient alternatives:
Water faucets were fitted with aerators to reduce water usage.
On campus housing replaced shower heads to low flow capacity.

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:
---

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.