Overall Rating Gold
Overall Score 68.26
Liaison Jennifer deHart
Submission Date March 22, 2019
Executive Letter Download

STARS v2.1

Unity College
OP-22: Water Use

Status Score Responsible Party
Complete 0.77 / 4.00 Jennifer deHart
Chief Sustainability Officer
President's Office
"---" 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’s Aqueduct Water Risk Atlas:
Low to Medium

Total water use (potable and non-potable combined):
Performance Year Baseline Year
Total water use 3,691,620 Gallons 3,986,340 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 3,691,620 Gallons 3,986,340 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year July 1, 2017 June 30, 2018
Baseline Year July 1, 2016 June 30, 2017

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

The baseline is 2017, when we started monitoring and recording water use. Potable water and irrigation water are the same for the baseline and performance year because McKay is not included, and no other water is ued for irrigation.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 490 493
Number of employees resident on-site 6 5
Number of other individuals resident on-site and/or staffed hospital beds 7 3
Total full-time equivalent student enrollment 705 712
Full-time equivalent of employees (staff + faculty) 172 187
Full-time equivalent of students enrolled exclusively in distance education 54 18
Weighted campus users 748.25 788.25

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 4,933.67 Gallons 5,057.20 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
2.44

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 278,353 Gross Square Feet 278,353 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 13.26 Gallons / GSF 14.32 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
7.39

Does the institution wish to pursue Part 3 of this credit? (reductions in total water use per acre/hectare of vegetated grounds):
Yes

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 34.25 Acres 34.25 Acres

Total water use (potable + non-potable) per unit of vegetated grounds:
Performance Year Baseline Year
Total water use per unit of vegetated grounds 107,784.53 Gallons / Acre 116,389.49 Gallons / Acre

Percentage reduction in total water use per unit of vegetated grounds from baseline:
7.39

A brief description of the institution's water-related behavior change initiatives, e.g. initiatives to shift individual attitudes and practices such as signage and competitions:
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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 (e.g. building retrofits):

Any replacements are more water conserving than the originals.


The website URL where information about the programs or initiatives is available:
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Additional documentation to support 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 and complete the Data Inquiry Form.