Overall Rating Bronze
Overall Score 28.23
Liaison Brian Webb
Submission Date March 5, 2020

STARS v2.2

Houghton College
OP-21: Water Use

Status Score Responsible Party
Complete 2.76 / 4.00 Brian Webb
Sustainability Coordinator
Center for Sustainability
"---" 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

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 12,330,088 Gallons 17,272,480 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 12,330,088 Gallons 17,272,480 Gallons

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period Dec. 1, 2018 Nov. 30, 2019
Baseline Period Dec. 1, 2008 Nov. 30, 2009

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

Our GHG emissions use a baseline year of Jan 1, 2009 - Dec 31, 2009. Our water bills, however, only come quarterly, thus this is the closest to a calendar year baseline that we can get for a similar time frame.


Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 719 1,020
Number of employees resident on-site 31 8
Number of other individuals resident on-site 16 5
Total full-time equivalent student enrollment 929 1,225
Full-time equivalent of employees 187 253
Full-time equivalent of students enrolled exclusively in distance education 36 0
Weighted campus users 1,013.50 1,370.50

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 12,165.85 Gallons 12,603.05 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
3.47

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 915,687 Gross Square Feet 741,125 Gross Square Feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 13.47 Gallons / GSF 23.31 Gallons / GSF

Percentage reduction in potable water use per unit of floor area from baseline:
42.22

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 1,300 Acres 1,300 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 9,484.68 Gallons / Acre 13,286.52 Gallons / Acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
28.61

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

We have hosted occasional water awareness efforts and we have posted signage at all faucets informing users how much water is used from the faucets.


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:

We have replaced all existing shower heads and faucet aerators with low flow models (moving showers from 2.5 gpm to 1.5 gpm and aerators from 1.5 gpm to 1.0 gpm). We also installed water conservation devices in the kitchen.


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

Additional documentation to support 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 and complete the Data Inquiry Form.