Northern Illinois University
OP-21: Water Use

• Documentation Fields
• Credit Info

Level of ”Physical Risk Quantity” for the institution’s main campus as indicated by the World Resources Institute Aqueduct Water Risk Atlas:
Total water withdrawal (potable and non-potable combined):

	Performance Year	Baseline Year
Total water withdrawal	126,132,826 Gallons	154,347,090 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	126,132,826 Gallons	154,347,090 Gallons

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

	Start Date	End Date
Performance Period	Jan. 1, 2021	Dec. 31, 2021
Baseline Period	Jan. 1, 2019	Dec. 31, 2019

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	3,695	3,198
Number of employees resident on-site	0	0
Number of other individuals resident on-site	0	0
Total full-time equivalent student enrollment	14,125	13,779
Full-time equivalent of employees	2,709	2,709
Full-time equivalent of students enrolled exclusively in distance education	1,448	10,448
Weighted campus users	12,463.25	5,329.50

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	10,120.38 Gallons	28,960.90 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
Gross floor area of building space:

	Performance Year	Baseline Year
Gross floor area	7,481,965 Gross square feet	7,758,602 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	16.86 Gallons per square foot	19.89 Gallons per square foot

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

	Performance Year	Baseline Year
Vegetated grounds	563 Acres	563 Acres

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	224,036.99 Gallons per acre	274,151.14 Gallons per acre

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