Overall Rating	Silver - expired
Overall Score	59.82
Liaison	Joanne Wong
Submission Date	Feb. 10, 2021

STARS v2.2

Mills College
OP-21: Water Use

Status

Score

Responsible Party

2.67 / 4.00

Luan Stauss
Facilities Manager
Campus Facilities

"---" 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:

Low to Medium

Part 1. Reduction in potable water use per person

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

	Performance Year	Baseline Year
Total water withdrawal	34,958,535 Gallons	45,184,436 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	21,944,824 Gallons	45,184,436 Gallons

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

	Start Date	End Date
Performance Period	July 1, 2018	June 30, 2019
Baseline Period	July 1, 2008	June 30, 2009

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:

FY2009, the year before the implementation of using lake water for landscape irrigation.

Figures needed to determine "Weighted Campus Users":

	Performance Year	Baseline Year
Number of students resident on-site	523	586
Number of employees resident on-site	19	18
Number of other individuals resident on-site	57	0
Total full-time equivalent student enrollment	1,081	1,406
Full-time equivalent of employees	336	419.84
Full-time equivalent of students enrolled exclusively in distance education	5	0
Weighted campus users	1,251.50	1,520.38

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	17,534.82 Gallons	29,719.17 Gallons

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

41.00

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	882,581 Gross square feet	955,269 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	24.86 Gallons per square foot	47.30 Gallons per square foot

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

47.43

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

Area of vegetated grounds:

	Performance Year	Baseline Year
Vegetated grounds	64.50 Acres	114 Acres

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	541,992.79 Gallons per acre	396,354.70 Gallons per acre

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

-36.74

Optional Fields

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

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

Mills College hosts two LEED certified buildings: the Lokey Graduate School of Business and the Moore Natural Sciences Buidling. Both buildings include rainwater harvesting systems that collect water that is used to flush the toilets. Mills maintains Lake Aliso on campus, utilizing excess water to irrigate landscaping.

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

Low flow shower heads have been installed in all of the residence halls. Whenever there is a retrofit for restrooms, low flow toilets are installed.

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