Overall Rating	Silver - expired
Overall Score	56.41
Liaison	Audrey McSain
Submission Date	March 1, 2019
Executive Letter	Download

STARS v2.1

Lehigh University
OP-22: Water Use

Status

Score

Responsible Party

2.58 / 5.00

Douglas Spengel
Associate Director Utilities and Engineering
Facilities Services

"---" 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

Part 1

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

	Performance Year	Baseline Year
Total water use	95,803,160 Gallons	114,339,000 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	95,803,160 Gallons	114,339,000 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):

	Start Date	End Date
Performance Year	July 1, 2017	June 30, 2018
Baseline Year	Jan. 1, 2007	Dec. 30, 2007

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:

First year of available data

Figures needed to determine "Weighted Campus Users":

	Performance Year	Baseline Year
Number of students resident on-site	3,463	4,608
Number of employees resident on-site	0	0
Number of other individuals resident on-site and/or staffed hospital beds	0	0
Total full-time equivalent student enrollment	6,659	7,577.33
Full-time equivalent of employees (staff + faculty)	1,814.67	1,654
Full-time equivalent of students enrolled exclusively in distance education	203	234.33
Weighted campus users	7,068.75	7,899.75

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	13,553.05 Gallons	14,473.75 Gallons

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

6.36

Part 2

Gross floor area of building space:

	Performance Year	Baseline Year
Gross floor area	4,589,815 Gross square feet	4,171,377 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	20.87 Gallons per square foot	27.41 Gallons per square foot

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

23.85

Part 3

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	126 Acres	126 Acres

Total water use (potable + non-potable) per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water use per unit of vegetated grounds	760,342.54 Gallons per acre	907,452.38 Gallons per acre

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

16.21

Optional Fields

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:

Eco-Reps, student leaders, work to educate their peers about water conservation and host events throughout the year including competitions to take shorter showers and to use only cold water when doing laundry.

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

Unmetered local wells are used in lieu of potable city water for irrigation of most athletic fields.

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):

Low-flow fixtures are used in all new construction and major renovations, and for replacing older fixtures that fail.

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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Data source(s) and notes about the submission:

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