Overall Rating Silver
Overall Score 54.05
Liaison Tony Gillund
Submission Date March 23, 2023

STARS v2.2

Purdue University
OP-18: Waste Minimization and Diversion

Status Score Responsible Party
Complete 5.25 / 8.00 Tony Gillund
Director of Sustainability
Campus Planning, Architecture and Sustainability
"---" indicates that no data was submitted for this field

Parts 1 and 2. Waste per person

Figures needed to determine total waste generated (and diverted):
Performance Year Baseline Year
Materials recycled 1,476 Tons 4,377 Tons
Materials composted 260 Tons 2,148 Tons
Materials donated or re-sold 497 Tons 480 Tons
Materials disposed through post-recycling residual conversion 0 Tons 0 Tons
Materials disposed in a solid waste landfill or incinerator 4,763 Tons 4,270 Tons
Total waste generated 6,996 Tons 11,275 Tons

If reporting post-recycling residual conversion, provide:

A brief description of the residual conversion facility:
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Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period July 1, 2021 June 30, 2022
Baseline Period July 1, 2010 June 30, 2011

If end date of the baseline year/period is 2004 or earlier, provide:

A brief description of when and why the waste generation baseline was adopted:
N/A

Figures needed to determine "Weighted Campus Users”:
Performance Year Baseline Year
Number of students resident on-site 15,271 11,800
Number of employees resident on-site 0 0
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 45,990 38,216
Full-time equivalent of employees 12,767 11,769
Full-time equivalent of students enrolled exclusively in distance education 1,125 101
Weighted campus users 47,041.75 40,363

Total waste generated per weighted campus user:
Performance Year Baseline Year
Total waste generated per weighted campus user 0.15 Tons 0.28 Tons

Percentage reduction in total waste generated per weighted campus user from baseline:
46.76

Part 3. Waste diverted from the landfill or incinerator

Percentage of materials diverted from the landfill or incinerator by recycling, composting, donating or re-selling, performance year:
31.92

Percentage of materials diverted from the landfill or incinerator (including up to 10 percent attributable to post-recycling residual conversion):
31.92

In the waste figures reported above, has the institution recycled, composted, donated and/or re-sold the following materials?:
Yes or No
Paper, plastics, glass, metals, and other recyclable containers Yes
Food Yes
Cooking oil Yes
Plant materials Yes
Animal bedding Yes
White goods (i.e. appliances) No
Electronics Yes
Laboratory equipment Yes
Furniture Yes
Residence hall move-in/move-out waste Yes
Scrap metal Yes
Pallets Yes
Tires Yes
Other (please specify below) Yes

A brief description of other materials the institution has recycled, composted, donated and/or re-sold:
specialty recycling including nitrile glove recycling and animal rendering.

Optional Fields 

Active Recovery and Reuse

Materials intended for disposal but subsequently recovered and reused on campus, performance year:
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Recycling Management 

Does the institution use single stream recycling to collect standard recyclables in common areas?:
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Does the institution use dual stream recycling to collect standard recyclables in common areas?:
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Does the institution use multi-stream recycling to collect standard recyclables in common areas?:
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Contamination and Discard Rates 

Average contamination rate for the institution’s recycling program:
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A brief description of any recycling quality control mechanisms employed:
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Programs and Initiatives 

A brief description of the institution's waste-related behavior change initiatives:
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A brief description of the institution's waste audits and other initiatives to assess its materials management efforts and identify areas for improvement:
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A brief description of the institution's procurement policies designed to prevent waste:
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A brief description of the institution's surplus department or formal office supplies exchange program that facilitates reuse of materials:
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A brief description of the institution's platforms to encourage peer-to-peer exchange and reuse:
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A brief description of the institution's limits on paper and ink consumption:
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A brief description of the institution's initiatives to make materials available online by default rather than printing them:
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A brief description of the institution's program to reduce residence hall move-in/move-out waste:
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A brief description of the institution's programs or initiatives to recover and reuse other materials intended for disposal:
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Website URL where information about the institution’s waste minimization and diversion 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:
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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.