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Can anyone tell me what the acronym EQR actually stands for. I know what they are but there is a running debate here at my work as to what the acronym stands for. Either:
A) Equivalent Quantity Ration
B) Equivalent Residential Unit (Which would be ERU in my book)
C) Other




maybe some context?
equity residential
earthquake report
environmental quality resources
education quality review

EQR Electric Quarterly Report (US Federal Energy Regulatory Commission)
EQR Equivalence Ratio
EQR Enlisted Qualification Record
EQR Essential Qualification Requirement
EQR Equi-Rectangular
EQR External Quality Review
EQR Educational Quality Ranking
EQR Environmental Quality Report


It is related to municipal water supply. Basically one house is one EQR.


http://www.basalt.net/DocumentCenter/View/773 says "EQR equivalent residential unit"
http://www.rifleco.org/DocumentCenter/View/1114 says "equivalent residential unit (EQR)"
http://townofgypsum.com/sites/default/files/Water%... says "Equivalent Residential Unit (“EQR”)"
http://www.townofeagle.org/DocumentCenter/View/643... says "EQR = Equivalent Single Residential Unit"

Does your Googling say something different?

I can do absolutely anything. I'm an expert!
FAQ731-376: Eng-Tips.com Forum Policies forum1529: Translation Assistance for Engineers


What is an EQR? An EQR is an Equivalent Residential Unit. A single-family residence up to three bedrooms and three bathrooms is equal to one EQR. Each additional bed or bath is an additional 0.1 EQR. For example, a three bed/four bath house is 1.1 EQR.


Why is it not called ERU?

Or why not just use SFE?


My googling has resulted in both A) and B)


@IRstuff, I guess my google Kung-fu is stronger than yours.

@bimr, thank you for your answer! Do you have a reference you pulled that info from?


Here is a better definition:

The term Equivalent Residential Units (ERU) originates from Land Use Regulations and is a legal term. The term is typically defined in a municipal ordinance dealing with land use.

The ordinance also employs the concept of equivalent residential units (ERU). Under the ERU approach, if the demand for public facilities created by a proposed development is equivalent to that of one dwelling unit, then the development is subject to the ordinance. The APFO applies to water, sewer, roads, and schools.

As communities struggle with mushrooming municipal growth, they are using a variety of tools to manage where, when, and how such growth will occur. One of these tools is concurrency regulations or adequate public facility ordinances (APFOs). An APFO is a land use regulation that is designed to ensure that necessary public facilities and services to support new development are available and adequate, based on adopted level of service standards, at the time that the impacts of new development occur. APFOs are designed to manage the timing, not the location or quality, of new development. Actual concurrency regulations will be different in each community depending on local planning needs and local law. One thing is clear, however; concurrency regulations are more advantageous than other traditional land use controls because they are more flexible and deal directly with population levels and employment growth, thereby controlling roadway demand. While they will not stop growth, down zone property, deter economic development, or raise housing prices; nor are they a catchall solution to growth management. They are one tool in the planning toolbox to help a community meet their expectation of growth and visions for the future.

Municipal utilities also use the ERU for billing purposes.

See the attachment.


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