Overall Rating Silver
Overall Score 52.66
Liaison Grace Afflerbach
Submission Date March 8, 2024

STARS v2.2

Purchase College - State University of New York
OP-21: Water Use

Status Score Responsible Party
Complete 1.84 / 4.00 Grace Afflerbach
Sustainability Coordinator
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:
Low

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 66,475,500 Gallons 81,873,800 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 66,475,500 Gallons 81,873,800 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, 2016 June 30, 2017

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

This baseline was the last fiscal year before a full time Sustainability Coordinator was hired in 2018.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 2,306 2,671
Number of employees resident on-site 20 26
Number of other individuals resident on-site 5 22
Total full-time equivalent student enrollment 3,259 4,195
Full-time equivalent of employees 758 842
Full-time equivalent of students enrolled exclusively in distance education 103 0
Weighted campus users 3,522 4,474

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 18,874.36 Gallons 18,299.91 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 2,557,577 Gross square feet 2,438,268 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 25.99 Gallons per square foot 33.58 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
22.59

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 200 Acres 200 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 332,377.50 Gallons per acre 409,369 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
18.81

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:

The same baseline was used in this reporting period and last reporting period--there was an error in the previous published report where the water usage was reported 10 times higher than it should have been.


The same baseline was used in this reporting period and last reporting period--there was an error in the previous published report where the water usage was reported 10 times higher than it should have been.

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.