Overall Rating Gold
Overall Score 69.22
Liaison Leslie Raucher
Submission Date Dec. 11, 2023

STARS v2.2

Barnard College
OP-21: Water Use

Status Score Responsible Party
Complete 1.64 / 4.00
"---" 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:
Low

Part 1. Reduction in potable water use per person 

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 44,935,319 Gallons 43,426,662.76 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 44,935,319 Gallons 43,426,662.76 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period Jan. 1, 2022 Dec. 31, 2022
Baseline Period Jan. 1, 2014 Dec. 31, 2016

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

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

Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 2,350 2,487
Number of employees resident on-site 39 43
Number of other individuals resident on-site 35 29
Total full-time equivalent student enrollment 2,995 2,516
Full-time equivalent of employees 871 850
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 3,531.75 3,186

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 12,723.24 Gallons 13,630.47 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
6.66

Part 2. Reduction in potable water use per unit of floor area

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 1,228,000 Gross square feet 1,100,000 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 36.59 Gallons per square foot 39.48 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
7.31

Part 3. Reduction in total water withdrawal per unit of vegetated grounds 

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 0.82 Acres 0.61 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 54,799,169.51 Gallons per acre 71,191,250.43 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
23.03

Optional Fields 

A brief description of the institution's water-related behavior change initiatives:
---

A brief description of the institution's water recovery and reuse initiatives:
---

A brief description of the institution's initiatives to replace plumbing fixtures, fittings, appliances, equipment, and systems with water-efficient alternatives:
---

Website URL where information about the institution’s water conservation and efficiency efforts is available:
---

Additional documentation to support the submission:
---

Data source(s) and notes about the submission:
Meter data for 2961 Broadway was unavailable. An average for 2017-19 was used in its place.

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.