Overall Rating Gold
Overall Score 81.87
Liaison Rania Assariotaki
Submission Date Feb. 21, 2023

STARS v2.2

The American College of Greece
OP-21: Water Use

Status Score Responsible Party
Complete 3.62 / 5.00 Ourania Assariotaki
Sustainability Manager
Office of Public Affairs
"---" 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 50,560 Cubic meters 61,337 Cubic meters

Potable water use:
Performance Year Baseline Year
Potable water use 50,560 Cubic meters 61,337 Cubic meters

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, 2019 Dec. 31, 2019

A brief description of when and why the water use baseline was adopted:
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Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 258 271
Number of employees resident on-site 8 2
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 4,900 2,200
Full-time equivalent of employees 624 456
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 4,209.50 2,060.25

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 12.01 Cubic meters 29.77 Cubic meters

Percentage reduction in potable water use per weighted campus user from baseline:
59.66

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 59,617.60 Gross square meters 59,617.60 Gross square meters

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 0.85 Cubic meters per square meter 1.03 Cubic meters per square meter

Percentage reduction in potable water use per unit of floor area from baseline:
17.57

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 0.24 Hectares 0.24 Hectares

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 211,106.47 Cubic meters per hectare 256,104.38 Cubic meters per hectare

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
17.57

A brief description of the institution's water-related behavior change initiatives:
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A brief description of the institution's water recovery and reuse initiatives:
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A brief description of the institution's initiatives to replace plumbing fixtures, fittings, appliances, equipment, and systems with water-efficient alternatives:
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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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Data source(s) and notes about the submission:

Total full-time equivalent student enrollment appears different from PRE 5 of the Demographics due to the nature of the institution which has a joint technical and operational facility with its secondary school division. All data reflect the performance of the entire campus and operations (including those of Pierce college, our secondary education division) taking into account total student population (graduate, undergraduate and secondary education). The secondary education division of ACG caters for a population of 1,616 for students which explains the FTE derived number. For reasons of accuracy the joint number 3,284 and 1,616 was used to derive the adjusted emissions. Τhe numbers included here are for 2021 that is the reason the demographics entered here differ from PRE 5


Total full-time equivalent student enrollment appears different from PRE 5 of the Demographics due to the nature of the institution which has a joint technical and operational facility with its secondary school division. All data reflect the performance of the entire campus and operations (including those of Pierce college, our secondary education division) taking into account total student population (graduate, undergraduate and secondary education). The secondary education division of ACG caters for a population of 1,616 for students which explains the FTE derived number. For reasons of accuracy the joint number 3,284 and 1,616 was used to derive the adjusted emissions. Τhe numbers included here are for 2021 that is the reason the demographics entered here differ from PRE 5

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.