Overall Rating Expired
Overall Score Expired
Liaison Brad Haydel
Submission Date June 6, 2016
Executive Letter Download

STARS v2.0

California State University, Los Angeles
OP-26: Water Use

Status Score Responsible Party
Complete Expired Brad Haydel
Energy and Sustainability Manager
Facilities, Planning, Design and Construction
"---" indicates that no data was submitted for this field

Level of water risk for the institution’s main campus:
High

Total water use (potable and non-potable combined)::
Performance Year Baseline Year
Total water use 82623839.50 Gallons 118739790.06 Gallons

Potable water use::
Performance Year Baseline Year
Potable water use 82623839.50 Gallons 118739790.06 Gallons

Figures needed to determine "Weighted Campus Users"::
Performance Year Baseline Year
Number of residential students 989 991
Number of residential employees 23 23
Number of in-patient hospital beds 0 0
Full-time equivalent enrollment 20446.30 18705.70
Full-time equivalent of employees 1839.88 1728.80
Full-time equivalent of distance education students 0 0

Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 4206242 Square Feet 4206242 Square Feet

Area of vegetated grounds::
Performance Year Baseline Year
Vegetated grounds 4356000 Acres 4356000 Acres

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year Jan. 1, 2015 Dec. 31, 2015
Baseline Year Jan. 1, 2014 Dec. 31, 2014

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

We used calendar year 2014 and 2015 due to best capture the water saving measures implemented by Cal State LA in response to the recent severe drought conditions in California and Governor Brown's Executive Order B-29-15.


Water recycled/reused on campus, performance year:
0 Gallons

Recycled/reused water withdrawn from off-campus sources, performance year:
0 Gallons

A brief description of any water recovery and reuse systems employed by the institution:
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A brief description of any water metering and management systems employed by the institution:
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A brief description of any building retrofit practices employed by the institution, e.g. to install high efficiency plumbing fixtures and fittings:

Last year, Cal State LA replaced 150 toilets (3.6 gpf to to 1.28 gpf) in housing, and another 100 toilets and 50 urinals (1.2 gpf to 0.125 gpf) campus-wide. Estimated 450 remaining toilet and 300 remaining urinal retrofits to save an estimated total of over 10 million gallons per year. Cal State LA has also installed faucet aerators and low flow showerheads throughout campus.


A brief description of any policies or programs employed by the institution to replace appliances, equipment and systems with water-efficient alternatives:
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A brief description of any water-efficient landscape design practices employed by the institution (e.g. xeriscaping):

Currently reducing campus lawns by approximately 20,000 SF with estimated water savings of 1 million gallons annually. Including climate appropriate low-water plants, permeable surfaces, and replacing existing irrigation systems with low-flow drip systems throughout campus.


A brief description of any weather-informed irrigation technologies employed by the institution:

Currently using Water2Save's wireless weather-based irrigation control system to adjust the amount of water applied to landscape, saving over 200 million gallons of water since 2009.


A brief description of other water conservation and efficiency strategies employed by the institution:

Cal State LA has also reduced watering of all campus lawns from 3 to 1 times per week, with the amount of watering time reduced from 20 to 8 minutes. We've also ended regular washing of exterior infrastructure, stopped washing main campus pathways, decks and parking garage on a monthly basis, and discontinued annual window washings. We've substituted exterior power washing methods with dry sweeping and area spot cleaning also ended washing of sports facilities, including tennis courts and stadium seating, before all matches.


The website URL where information about the institution’s water conservation and efficiency initiatives is available:
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By Fiscal Year:
July 2013 - June 2014 = 161,935 CCF (121,135,800 gallons)
July 2014 - June 2015 = 139,184 CCF (104,116,870 gallons)

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 and complete the Data Inquiry Form.