Overall Rating Bronze
Overall Score 37.30
Liaison Jennifer Dunseath
Submission Date July 26, 2022

STARS v2.2

Roger Williams University
OP-21: Water Use

Status Score Responsible Party
Complete 2.05 / 6.00 John Amitrano
Assistant Vice President Facilities & Capital Projects
Facilities
"---" 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:
High

Total water withdrawal (potable and non-potable combined):
Performance Year Baseline Year
Total water withdrawal 30,718,496 Gallons 34,224,394 Gallons

Potable water use:
Performance Year Baseline Year
Potable water use 30,718,496 Gallons 34,224,394 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, 2017 June 30, 2018

A brief description of when and why the water use baseline was adopted:
Baseline year was the year before the most accurate performance year.

Figures needed to determine "Weighted Campus Users":
Performance Year Baseline Year
Number of students resident on-site 2,789.30 2,789.30
Number of employees resident on-site 8 8
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 5,098.30 5,098.30
Full-time equivalent of employees 971 971
Full-time equivalent of students enrolled exclusively in distance education 389 389
Weighted campus users 4,959.55 4,959.55

Potable water use per weighted campus user:
Performance Year Baseline Year
Potable water use per weighted campus user 6,193.81 Gallons 6,900.71 Gallons

Percentage reduction in potable water use per weighted campus user from baseline:
10.24

Gross floor area of building space:
Performance Year Baseline Year
Gross floor area 1,938,716 Gross square feet 1,938,716 Gross square feet

Potable water use per unit of floor area:
Performance Year Baseline Year
Potable water use per unit of floor area 15.84 Gallons per square foot 17.65 Gallons per square foot

Percentage reduction in potable water use per unit of floor area from baseline:
10.24

Area of vegetated grounds:
Performance Year Baseline Year
Vegetated grounds 34 Acres 34 Acres

Total water withdrawal per unit of vegetated grounds:
Performance Year Baseline Year
Total water withdrawal per unit of vegetated grounds 903,485.18 Gallons per acre 1,006,599.82 Gallons per acre

Percentage reduction in total water withdrawal per unit of vegetated grounds from baseline:
10.24

A brief description of the institution's water-related behavior change initiatives:
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A brief description of the institution's water recovery and reuse initiatives:
Waste2Water is used to wash off the lawn equipment and the water is filtered and reused for cleaning over and over again.

A brief description of the institution's initiatives to replace plumbing fixtures, fittings, appliances, equipment, and systems with water-efficient alternatives:
Replaced shower heads in residence halls from 1.8 gallon to 1.5 gallon. All toilets replaced with 1.6 or less gallon tanks. All dishwashers are energy star rated. Most water fountains have been upgraded to water refill stations and are energy and water efficient.

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.