Overall Rating Reporter
Overall Score
Liaison Carolyn Shafer
Submission Date March 1, 2019
Executive Letter Download

STARS v2.1

Pratt Institute
OP-22: Water Use

Status Score Responsible Party
Complete Reporter Tony Gelber
Dir. Admin. Sustainability
Facilities/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:
Medium to High

Total water use (potable and non-potable combined):
Performance Year Baseline Year
Total water use 21987064 Gallons 29994125 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 19953439 Gallons 27960562 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year Jan. 1, 2017 Dec. 31, 2017
Baseline Year Jan. 1, 2012 Dec. 31, 2012

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

Pratt began reporting water use to NYC in 2012.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 1897 1772
Number of employees resident on-site 11 85
Number of other individuals resident on-site and/or staffed hospital beds 0 0
Total full-time equivalent student enrollment 4829 4829
Full-time equivalent of employees (staff + faculty) 1500 1500
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 5223.75 5211

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 3819.75 Gallons 5365.68 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
28.81

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 1827238 Gross Square Feet 1624000 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 10.92 Gallons / GSF 17.22 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
36.57

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 5 Acres 5 Acres

Total water use (potable + non-potable) per unit of vegetated grounds:
Performance Year Baseline Year
Total water use per unit of vegetated grounds 4397412.80 Gallons / Acre 5998825 Gallons / Acre

Percentage reduction in total water use per unit of vegetated grounds from baseline:
26.70

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:

Pratt has attempted to reduce water consumption by:
- installing low flow fixtures and auto faucets, flushometers
- reducing leaks in the steam distribution system
- controlling irrigation more accurately.


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

We are not recovering water.


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):

We have been installing low flow and auto fixtures as a general practice and during renovations and construction.
we have been tracking down and repairing steam system leaks.
We have been controlling irrigation more accurately.


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.