Overall Rating Silver
Overall Score 46.12
Liaison Deborah Steinberg
Submission Date March 1, 2018
Executive Letter Download

STARS v2.1

Knox College
OP-22: Water Use

Status Score Responsible Party
Complete 3.05 / 4.00 Deborah Steinberg
Director of Campus Sustainability Initiatives
Office of Sustainability
"---" 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 33280016 Gallons 41601516 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 33280016 Gallons 41601516 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year July 1, 2016 June 30, 2017
Baseline Year July 1, 2011 June 30, 2012

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 1126 1215
Number of employees resident on-site 3 3
Number of other individuals resident on-site and/or staffed hospital beds 0 0
Total full-time equivalent student enrollment 1378 1430
Full-time equivalent of employees (staff + faculty) 396 455
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 1612.75 1718.25

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 20635.57 Gallons 24211.56 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
14.77

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 1204699 Gross Square Feet 1070000 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 27.63 Gallons / GSF 38.88 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
28.95

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 32 Acres 30 Acres

Total water use (potable + non-potable) per unit of vegetated grounds:
Performance Year Baseline Year
Total water use per unit of vegetated grounds 1040000.50 Gallons / Acre 1386717.20 Gallons / Acre

Percentage reduction in total water use per unit of vegetated grounds from baseline:
25.00

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:

Rain barrels at Eco House and Community Garden are used for irrigation.


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):

Knox College installs low-usage toilets, low-flow shower heads, sink aerators and high-efficiency instantaneous hot water heaters. Regular maintenance on water and condensate return lines ensures minimum loss from leakage.


The website URL where information about the programs or initiatives 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 and complete the Data Inquiry Form.