Overall Rating	Gold
Overall Score	75.28
Liaison	Kara Holmstrom
Submission Date	Feb. 25, 2022

STARS v2.2

Luther College
OP-21: Water Use

Status

Score

Responsible Party

4.00 / 4.00

Jay Uthoff
Director of Facilities
Facilities Management

"---" 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	22,436,118 Gallons	53,999,974.48 Gallons

Potable water use:

	Performance Year	Baseline Year
Potable water use	22,436,118 Gallons	53,999,974.48 Gallons

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

	Start Date	End Date
Performance Period	June 1, 2020	May 31, 2021
Baseline Period	June 1, 2003	May 31, 2004

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:

Our water use baseline uses the same time frame as our other energy data. We use FY 2003-2004 as a baseline for all comparisons.

Figures needed to determine "Weighted Campus Users":

	Performance Year	Baseline Year
Number of students resident on-site	1,587	2,064
Number of employees resident on-site	5	0
Number of other individuals resident on-site	1	0
Total full-time equivalent student enrollment	1,726	2,534
Full-time equivalent of employees	383	538
Full-time equivalent of students enrolled exclusively in distance education	0	0
Weighted campus users	1,980.75	2,820

Potable water use per weighted campus user:

	Performance Year	Baseline Year
Potable water use per weighted campus user	11,327.08 Gallons	19,148.93 Gallons

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

40.85

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	1,495,052.36 Gross square feet	1,384,289.40 Gross square feet

Potable water use per unit of floor area:

	Performance Year	Baseline Year
Potable water use per unit of floor area	15.01 Gallons per square foot	39.01 Gallons per square foot

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

61.53

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

Area of vegetated grounds:

	Performance Year	Baseline Year
Vegetated grounds	199 Acres	199 Acres

Total water withdrawal per unit of vegetated grounds:

	Performance Year	Baseline Year
Total water withdrawal per unit of vegetated grounds	112,744.31 Gallons per acre	271,356.66 Gallons per acre

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

58.45

Optional Fields

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

The Energy and Water task group (a subcommittee of the Luther College Sustainability Council) is focusing on water use and intends to do an analysis of the water infrastructure during 2022. The Luther "Body of Water" initiative has a webpage of water conservation tips listed below.

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

Luther uses non-potable water captured from a rain barrels in several locations to water potted plants across campus.

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

As Luther renovates buildings, low flow faucets, urinals, and toilets are utilized. All new construction uses the most efficient devices possible.

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

https://www.luther.edu/body-of-water/web-pledge/things/

Additional documentation to support the submission:

---

Data source(s) and notes about the submission:

---