Overall Rating Gold - expired
Overall Score 66.99
Liaison Megan Butler
Submission Date July 18, 2014
Executive Letter Download

STARS v2.0

Macalester College
OP-26: Water Use

Status Score Responsible Party
Complete 0.00 / 3.00 Nathan Lief
Facilities Director
"---" indicates that no data was submitted for this field

Level of water risk for the institution’s main campus:
Low to Medium

Total water use (potable and non-potable combined)::
Performance Year Baseline Year
Total water use 26,808,320 Gallons 21,040,076 Gallons

Potable water use::
Performance Year Baseline Year
Potable water use 26,808,320 Gallons 21,040,076 Gallons

Figures needed to determine "Weighted Campus Users"::
Performance Year Baseline Year
Number of residential students 0 0
Number of residential employees 0 0
Number of in-patient hospital beds 0 0
Full-time equivalent enrollment 2,047 1,872
Full-time equivalent of employees 567 542
Full-time equivalent of distance education students 0 0

Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 1,392,731 Square Feet 1,351,585 Square Feet

Area of vegetated grounds::
Performance Year Baseline Year
Vegetated grounds 11 Acres 11 Acres

Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Year June 1, 2012 May 31, 2013
Baseline Year June 1, 2007 May 31, 2008

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

Water recycled/reused on campus, performance year:
0 Gallons

Recycled/reused water withdrawn from off-campus sources, performance year:
0 Gallons

A brief description of any water recovery and reuse systems employed by the institution:


A brief description of any water metering and management systems employed by the institution:

Markim Hall has a system that monitors all water usage and updates it to a publicly available database every fifteen minutes.

A brief description of any building retrofit practices employed by the institution, e.g. to install high efficiency plumbing fixtures and fittings:

The majority of sink faucets have been converted to use 1.5 GPM aerators.

A brief description of any policies or programs employed by the institution to replace appliances, equipment and systems with water-efficient alternatives:

Macalester is using low flow shower heads. Approximately 90% use 2.5 GPM aerators.

A brief description of any water-efficient landscape design practices employed by the institution (e.g. xeriscaping):

Macalester has adopted, through the prairie restoration project and the Markim Hall landscaping considerations, planted low maintenance native grasses into landscape plans. This practices has recently been formalized in the 2011 Sustainable Landscape Plan which takes into account the plan and design, and appropriate plant selection aspects of xeriscaping.

A brief description of any weather-informed irrigation technologies employed by the institution:

The Grounds department has rain sensors that turn off the irrigation system while it is raining so as not to contribute to stormwater runoff.

A brief description of other water conservation and efficiency strategies employed by the institution:

A student, as part of an internship, convinced the college to retrofit college sinks and lower-flow aerators.

The website URL where information about the institution’s water conservation and efficiency initiatives is available:

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.