Overall Rating Silver - expired
Overall Score 55.41
Liaison Deborah Steinberg
Submission Date Feb. 18, 2013
Executive Letter Download

STARS v1.2

Carnegie Mellon University
OP-T2-46: Non-Potable Water Usage

Status Score Responsible Party
Complete 0.25 / 0.25 Martin Altschul
Director of Strategic Facilities Initiatives of FMCS
Facilities Management Services
"---" indicates that no data was submitted for this field

Does the institution use non-potable water (e.g., harvested rainwater or graywater) for irrigation and/or other applications?:
Yes

A brief description of the source of non-potable water and how it is used:

A rainwater barrel on the solar house is used to water the
student garden. Rain water collection systems are used at two major buildings for toilets, and at one of these buildings, for an irrigation system.

Harvested rainwater is used at Gates & Hillman and the Collaborative Innovation Center (CIC). The Gates & Hillman building currently uses a 10,000 gallon tank for harvesting and supplys 50 weeks of flushing in a year. The CIC building currently uses a 6,000 gallon tank for harvesting and is used for irrigation and flushing.


The percentage of irrigation water usage from recovered, reclaimed or untreated sources :
0

The percentage of building space using water from recovered, reclaimed or untreated sources:
5.10

The percentage of water used in utility plants from recovered, reclaimed or untreated sources:
0

The website URL where information about the program, policy, or practice is available:
---

Data source(s) and notes about the submission:

A major project is in design to capture roof drain runoff from 5 major buildings for use as condenser water makeup for campus chiller plants. Expected completion in 2015.


A major project is in design to capture roof drain runoff from 5 major buildings for use as condenser water makeup for campus chiller plants. Expected completion in 2015.

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.