Overall Rating Silver
Overall Score 55.77
Liaison Susan Kaspari
Submission Date July 16, 2022

STARS v2.2

Central Washington University
OP-21: Water Use

Status Score Responsible Party
Complete 1.27 / 5.00 Blair McNeillie
Grounds Supervisor
Facilities
"---" 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

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 308,637,811 Gallons 281,771,175 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 197,366,507 Gallons 281,771,175 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period Jan. 1, 2021 Dec. 31, 2021
Baseline Period Jan. 1, 2016 Dec. 31, 2016

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

Before 2018 we did not have sufficient data to satisfy this category. We now have the ability to get accurate data in regards to all water used, (Excluding Irrigation) but do not have a way to segregate system makeup water.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 2,663 2,800
Number of employees resident on-site 9 0
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 11,054 18,441
Full-time equivalent of employees 1,488 1,713
Full-time equivalent of students enrolled exclusively in distance education 1,489 1,876
Weighted campus users 8,957.75 14,408.50

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 22,033.04 Gallons 19,555.90 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
0

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 3,265,689 Gross Square Feet 3,594,917 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 60.44 Gallons / GSF 78.38 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
22.89

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 138 Acres 138 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 2,236,505.88 Gallons / Acre 2,041,820.11 Gallons / Acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
-9.53

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

The campus does a lot of xeriscaping in the new/renovated areas on campus. The plants thrive in desert like ecosystems and are more efficient for water use.


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

Not applicable at this time.


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

All equipment associated with all systems gets replaced by high efficient replacements.


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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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.