| Overall Rating | Gold |
|---|---|
| Overall Score | 75.28 |
| Liaison | Chris Frantsvog |
| Submission Date | Feb. 25, 2022 |
Luther College
OP-21: Water Use
| Status | Score | Responsible Party |
|---|---|---|
|
4.00 / 4.00 |
Jay
Uthoff Director of Facilities Facilities Management |
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 | 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 |
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:
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:
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:
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:
Additional documentation to support the submission:
Data source(s) and notes about the submission:
The information presented here is self-reported. While AASHE staff review portions of all STARS reports and institutions are welcome to seek additional forms of review, the data in STARS reports are not verified by AASHE. If you believe any of this information is erroneous or inconsistent with credit criteria, please review the process for inquiring about the information reported by an institution or simply email your inquiry to stars@aashe.org.