Overall Rating Silver - expired
Overall Score 53.11
Liaison Cindy Shea
Submission Date Jan. 31, 2011
Executive Letter Download

STARS v1.0

University of North Carolina at Chapel Hill
OP-22: Water Consumption

Status Score Responsible Party
Complete 0.35 / 7.00 Ray DuBose
Director
Energy Services
"---" indicates that no data was submitted for this field

Water consumption, 2005 baseline year:
632,909,000 Gallons

Water consumption, performance year :
677,293,000 Gallons

On-campus residents, 2005:
7,371

Full-time, non-residential/commuter students, faculty, and staff members, 2005:
25,402

Part-time, non-residential/commuter students, faculty, and staff members, 2005:
5,438

On-campus residents, performance year:
8,808

Non-residential/commuter full-time students, faculty, and staff members, performance year:
26,814

Non-residential/commuter part-time students, faculty, and staff members, performance year:
5,497

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

Water consumption figures include potable and non-potable water. Figures do not include savings achieved prior to FY 2005.

A reclaimed wastewater system started operating in spring 2009 and now delivers cooling tower makeup water to all five chilled water plants on campus. Chilled water cooling towers are the largest water use on campus, accounting for 217 million gallons per year or 34% of the University’s total water use. Reclaimed water will also irrigate multiple athletic fields, using 10 million gallons of water per year, and flush toilets in new buildings located near the distribution network. The first building to use reclaimed wastewater to flush toilets came on line in August 2009. The first building to use harvested rainwater to flush toilets came on line in spring 2007. Harvested rainwater is also used for irrigation in multiple campus locations. Cisterns range in size from several thousand to 350,000 gallons.

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.