Overall Rating Gold
Overall Score 66.65
Liaison Austin Sutherland
Submission Date Aug. 9, 2021

STARS v2.2

University of Pennsylvania
IN-43: Water Balance

Status Score Responsible Party
n/a 0.00 /


Institution has calculated a natural water balance for the campus to assess the sustainability of its water withdrawal (e.g., institution water use compared to a water budget based on available precipitation, potential evapotranspiration, and campus/watershed area).

For guidance in calculating a natural water balance, see the Net Zero Water Building Toolkit, the Sustainable Sanitation and Water Management Toolbox, and/or the Water Evaluation and Planning (WEAP) tool.


This credit is optional and may be earned by any institution that meets the criteria. 


An institution earns 0.5 bonus points for calculating a natural water balance, publishing its methodology, and using the results to assess the institution’s water withdrawal. Partial points are not available.


Report initiatives and results from within the three years prior to the anticipated date of 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 or simply email your inquiry to stars@aashe.org.