Overall Rating	Gold
Overall Score	71.07
Liaison	Carolyn Shafer
Submission Date	March 1, 2024

STARS v2.2

Pratt Institute
OP-21: Water Use

Status

Score

Responsible Party

5.00 / 5.00

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 Aqueduct Water Risk Atlas:

Medium to High

Part 1. Reduction in potable water use per person

Total water withdrawal (potable and non-potable combined):

	Performance Year	Baseline Year
Total water withdrawal	17,877,833 Gallons	29,994,125 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	17,877,833 Gallons	27,960,562 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, 2012	Dec. 31, 2012

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:

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	1,859	1,772
Number of employees resident on-site	12	85
Number of other individuals resident on-site	12	0
Total full-time equivalent student enrollment	5,116	4,829
Full-time equivalent of employees	1,177	1,500
Full-time equivalent of students enrolled exclusively in distance education	38	0
Weighted campus users	5,171	5,211

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	3,457.33 Gallons	5,365.68 Gallons

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

35.57

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	1,923,160 Gross square feet	1,624,000 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	9.30 Gallons per square foot	17.22 Gallons per square foot

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

46.01

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

Area of vegetated grounds:

	Performance Year	Baseline Year
Vegetated grounds	5 Acres	5 Acres

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	3,575,566.60 Gallons per acre	5,998,825 Gallons per acre

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

40.40

Optional Fields

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

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
- using non potable water for irrigation.

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

We are using shallow well water, ground water fed to irrigate our grounds.

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

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.

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

---

Additional documentation to support the submission:

TG_Pratt_AASHE_STARS_2022_Submit.xlsx

Data source(s) and notes about the submission:

---