University of Washington, Seattle
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	547,095,622 Gallons	501,706,532 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	547,095,622 Gallons	501,706,532 Gallons

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

	Start Date	End Date
Performance Period	Jan. 1, 2019	Dec. 31, 2019
Baseline Period	Jan. 1, 2005	Dec. 31, 2005

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	9,729	4,894
Number of employees resident on-site	20	10
Number of other individuals resident on-site	683	380
Total full-time equivalent student enrollment	54,277	32,403
Full-time equivalent of employees	18,307	23,215
Full-time equivalent of students enrolled exclusively in distance education	893	269
Weighted campus users	56,888.50	43,117.75

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	9,616.98 Gallons	11,635.73 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	23,661,846 Gross square feet	13,618,330 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	23.12 Gallons per square foot	36.84 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	242.30 Acres	243.10 Acres

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	2,257,926.63 Gallons per acre	2,063,786.64 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: