Overall Rating Silver - expired
Overall Score 53.00
Liaison Debbie Liddick
Submission Date April 21, 2020

STARS v2.2

Black Hills State University
OP-21: Water Use

Status Score Responsible Party
Complete 4.38 / 5.00 Deborah Liddick
AD of Facilities Services and Sustainability
Facilities Services
"---" 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:
Medium to High

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 29,108,000 Gallons 35,903,100 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 9,283,000 Gallons 35,903,100 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, 2007 June 30, 2010

A brief description of when and why the water use baseline was adopted:

Fiscal year 2007 was chosen because it was the first year BHSU measured its greenhouse gas emissions.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 720 736
Number of employees resident on-site 7 3
Number of other individuals resident on-site 4 0
Total full-time equivalent student enrollment 2,709 2,950
Full-time equivalent of employees 377 341
Full-time equivalent of students enrolled exclusively in distance education 562 760
Weighted campus users 2,078.75 2,083

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 4,465.66 Gallons 17,236.25 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
74.09

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 835,385 Gross square feet 731,695 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 11.11 Gallons per square foot 49.07 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
77.35

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 70 Acres 70 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 415,828.57 Gallons per acre 512,901.43 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
18.93

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

In the past two years, BHSU has been concentrating efforts to manage irrigation efficiently.


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

The campus uses irrigation water instead of potable water for much of our irrigation needs. When the main pump is running in the well house we are getting straight water from the aquifer.


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

High efficiency plumbing fixtures and low-flow aerators have been installed on most buildings in campus.


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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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.