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WaterSense® Home Certification System

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Table of Contents

1.0 Introduction	1

2.0 Effective Date	2

3.0 References and Definitions	2

4.0 HCO Eligibility	3

4.1	HCO Organizational Requirements	4

4.1.1	Independent Oversight	4

4.1.2	Quality Assurance	4

4.1.3	Verifier Training and Authorization	5

4.1.4	Home Verification Protocols	5

4.1.5	Impartiality	6

4.1.5.1	HCO Impartiality	7

4.1.5.2	Verifier Impartiality	7

4.1.5.3	Designee Impartiality	7

4.1.6	Messaging and Reporting	7

4.2	HCO Responsibilities for the Use of Designees	8

4.3	HCO-Specific Procedures Used in Lieu of EPA-Provided Materials	9

5.0 Procedures and Requirements for HCOs	9

5.1	Application Procedures for HCOs	10

5.1.1 Provisional Approval	10

5.2	HCO Licensure	10

5.3	Issuing the WaterSense Label	11

5.3.1 Exemptions for Conflicts With Local Code	11

5.4	Reporting and Recordkeeping	12

5.4.1	Reporting Authorized Verifiers to the EPA	12

5.4.2	Reporting WaterSense Labeled Homes to the EPA	12

5.4.3	Maintaining Records	12

6.0 Procedures and Requirements for Builder Partners	12

6.1	Partnership Wth the EPA	13

6.2	Application	13

6.3	Home Certification and Labeling	13

7.0 EPA Oversight	14

7.1	General HCO Oversight	14

7.2	Surveillance of Home Conformance and Label Use	14

8.0 Suspension or Wthdrawal of the WaterSense Label From Homes	14

9.0 Amendments, Modifications, and Revisions	15

9.1	HCO-lnitiated Changes	15

9.2	EPA-lnitiated Program Changes	16

10.0 For More Information	16

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WaterSense® Home Certification System

1.0 Introduction

WaterSense, a partnership program sponsored by the U.S. Environmental Protection Agency
(EPA), seeks to protect the future of our nation's water supply by offering people a simple way
to use less water with water-efficient products, homes, and services. The EPA established its
WaterSense Labeled Homes Program to promote residential water efficiency and help enable
market transformation in home construction.

This WaterSense Home Certification System (home certification system) outlines the
requirements, roles, and responsibilities for all parties involved in the construction, verification,
certification, and labeling of homes for WaterSense, including:

•	Home builders

•	Home Certification Organizations (HCOs)

•	Verifiers

•	Other parties to which the HCO has designated specific responsibilities for certifying homes
(designees)

HCOs are central to the certification process and are responsible for implementing a program
for the verification, certification, and labeling of homes that meet the requirements in the
WaterSense Specification for Homes.

This home certification system describes the requirements for and process by which the EPA
evaluates HCOs to ensure they have the capability, competence, and proper controls to certify
homes and authorize the use of the WaterSense label. Homes are required to be certified by an
HCO to earn the WaterSense label. Home builders who partner with WaterSense can seek
certification and earn the WaterSense label through an HCO of their choosing.

This document shall be read in conjunction with the WaterSense Specification for Homes. The
WaterSense Specification for Homes and the WaterSense Home Certification System address
different aspects of the program structure, which together are essential for the certification and
labeling of homes for WaterSense.

In addition, WaterSense is including by reference that parties must comply with the WaterSense
Program Guidelines, WaterSense Program Mark Guidelines, and any related technical
clarifications issued by WaterSense related to the program requirements or the EPA's
implementation of the WaterSense Labeled Homes Program.

All of these program documents, summarized in Table 1, provide the minimum requirements
and the roles and responsibilities for building, certifying, and labeling homes under the
WaterSense Labeled Homes Program. Please see the introduction to each document for a
thorough explanation of its purpose and role within the program.

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Table 1. Documents Applicable to the Verification, Certification, and Labeling of Homes

Full Title of Document

Purpose

WaterSense Specification for Homes

Establishes the criteria for water-efficient homes to be
eligible for the WaterSense label.

WaterSense Home Certification System

Articulates the parties involved in, and process for,
certifying and labeling homes for WaterSense.

WaterSense Program Guidelines

Provides guidance on eligibility criteria, conditions for
participation, and general information about
WaterSense.

WaterSense Program Mark Guidelines

Establishes guidelines for using WaterSense program
marks in order to ensure promotion of a consistent
WaterSense brand. HCOs and partners are required to
adhere to these guidelines.

2.0 Effective Date

This update to the WaterSense Labeled Homes Program is available to prospective HCOs and
(upon approval) their verifiers and stakeholders as of May 14, 2020. Upon approval, HCOs can
immediately begin certifying and labeling homes according to the WaterSense Specification for
Homes.

3.0 References and Definitions

In addition to the documents listed in Table 1, the following referenced documents are
indispensable for the application of this home certification system. Definitions within all of these
documents are included by reference. For any of the referenced documents below, the most
recent version applies, if the version is not otherwise indicated.

•	HCO licensing agreement between the EPA and the HCO.

•	Application for HCO approval.

•	Builder partnership agreement between the EPA and a builder of WaterSense labeled
homes.

•	Technical clarifications, developed and maintained by the EPA.

Other definitions applicable to this home certification system include:

Builder Partner: A home builder that has committed to building, renovating, or otherwise
producing homes in accordance with the WaterSense Specification for Homes. The builder shall
signify such commitment by signing a WaterSense builder partnership agreement with the EPA.

Builder Partnership Agreement: Formal agreement between the EPA and the builder that
delineates program benefits, exclusions, and activities (i.e., partner pledges and the EPA
commitments) to be conducted by each party.

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Designee(s): Party(ies) to which the HCO has delegated specific responsibilities associated
with verifying, certifying, and/or overseeing the verification and/or certification of WaterSense
labeled homes, as allowable under this certification system.

Home Certification Organization (HCO): An independent organization approved and licensed
by the EPA to certify and label homes. An HCO is responsible for the training and authorization
of verifiers and overseeing the verification, certification, and labeling of homes in accordance
with the WaterSense Specification for Homes.

Licensing Agreement: The legal document between the EPA and an HCO that grants the
HCO access to, and conditions for authorizing the use and distribution of, the WaterSense label.
Outlines the terms, roles, and responsibilities for certifying and labeling homes for WaterSense
in accordance with the WaterSense Specification for Homes. The licensing agreement signals
the HCO's and the EPA's commitment to cooperate in the administration of the WaterSense
Labeled Homes Program in accordance with the WaterSense Specification for Homes and the
WaterSense Home Certification System.

WaterSense Home Verifier (Verifier): Individual who is trained and authorized by an HCO or
its designee to verify homes in accordance with the WaterSense Specification for Homes.1

WaterSense Label: A registered certification mark that contains the words "WaterSense" and
"Meets EPA Criteria" in a circular pattern around the WaterSense graphic "water drop" image.
To signify a home's compliance with the WaterSense Specification for Homes, an HCO or its
designee will provide the WaterSense label to the builder partner in the form of a certificate or
sticker. References to the certificate or sticker are considered synonymous with the WaterSense
label and, as such, the terms may be used interchangeably throughout this document.

4.0 HCO Eligibility

In accordance with the requirements and procedures set forth in this section, the EPA shall
evaluate and approve the HCO. This evaluation shall include:

•	HCO Organizational Requirements (Section 4.1): The EPA shall evaluate the HCO's
organizational structure and processes and procedures in place to conduct the verification,
certification, and labeling of homes for WaterSense. An HCO may use a designee (Section
4.2) to meet many of the organizational requirements.

•	Any alternative procedures or tools that the HCO proposes to use to verify that homes meet
the requirements of the WaterSense Specification for Homes (Section 4.3).

Interested HCOs shall apply to the EPA in accordance with the process described in Section
5.0.

1 A verifier may be an employee of a designee, an employee associated with an independent organization that
contracts for verification services, an individual that contracts for verification services, or, under certain
circumstances, a direct employee of the HCO.

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4.1 HCO Organizational Requirements

WaterSense has identified six components of certification, described in the subsections below,
that ensure an HCO has a structure in place to effectively certify homes and issue and maintain
the integrity of the WaterSense label. These include:

•	Independent oversight

•	Quality assurance

•	Verifier training and authorization

•	Home verification protocols

•	Impartiality

•	Messaging and reporting

The HCO shall demonstrate to the EPA, through documentation supplied in its application (see
Section 5.1), that it meets the requirements outlined in this section.

The HCO may delegate certain organizational requirements outlined below to a designee(s). A
designee can be a provider that hires or contracts with inspectors, or other organization capable
of adhering to the certification requirements, as relevant to the specific responsibility being
designated. The use of designees is more fully described in Section 4.2.

4.1.1	Independent Oversight

The HCO shall maintain independent oversight procedures to ensure that the certification and
labeling of homes for WaterSense is governed in a fair and impartial manner. This shall include:

•	Maintaining independent oversight. The HCO shall maintain independent oversight of its
program related to WaterSense, while exercising independent professional judgment. The
HCO shall demonstrate that the individuals responsible for oversight of the program are not
involved in the routine program operations or certification decisions.

4.1.2	Quality Assurance

The HCO shall implement quality assurance procedures that ensure that verifiers consistently
inspect and document compliance in accordance with the WaterSense Specification for Homes.
The quality assurance shall include:

•	Auditing WaterSense labeled homes. The HCO shall audit a subset of homes that have
received the WaterSense label to ensure homes are meeting the requirements of the
WaterSense Specification for Homes. The audit shall include a representative sample of
WaterSense labeled homes such that it demonstrates the capacity to identify erroneous
certifications.

•	Ensuring qualified verifiers. The HCO shall only use verifiers in good standing with all
training and impartiality requirements, as described in Section 4.1.3 and 4.1.5, respectively,
to provide verification services.

•	Disciplining verifiers. The HCO shall maintain and enforce disciplinary procedures for
verifiers that do not meet the quality requirements of the HCO.

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•	Resolving complaints. The HCO shall maintain and execute procedures to respond to and
resolve complaints involving home verification and/or certification. This includes
investigating failures impacting the water efficiency of certified homes.

•	Maintaining quality assurance documentation. The HCO shall maintain thorough
documentation of quality assurance activities including audit results, verifier
training/authorization records, verifier discipline records, and complaint resolutions.

4.1.3	Verifier Training and Authorization

The HCO shall train and authorize verifiers to verify homes in accordance with the WaterSense

Specification for Homes, as well as any administrative procedures used by the HCO for

oversight of the certification process, reporting, or other communications. At a minimum, this

shall include:

•	Training verifiers on home verification and documentation procedures. The HCO shall
train verifiers to properly document home verifications and complete all reporting and quality
assurance submissions required by the HCO and WaterSense. WaterSense shall supply
each HCO with required training materials for the WaterSense Specification for Homes
(hereafter referred to as WaterSense program-specific training requirements). If applicable,
the HCO shall supplement this training with additional information needed for the verifiers to
understand and administer the HCO's application of the specification.

•	Providing verifier training reciprocity. The HCO may waive any WaterSense program-
specific training requirements for potential new verifiers, provided that the verifier has
completed the WaterSense program-specific training requirements within the past two years
(for example, as part of training under another HCO). The WaterSense program-specific
training requirements are the only training requirements subject to this transferability. There
is no obligation or expectation that any supplemental training provided by individual HCOs
will be transferable. Additionally, HCOs that utilize designees for quality assurance shall
have procedures in place to facilitate transferability of verifiers from one designee to
another.

•	Formally authorizing verifiers. The HCO shall formally authorize verifiers to verify homes
in accordance with the WaterSense Specification for Homes. The requirements for verifier
authorization shall include, at a minimum: documentation of successful completion of
training; and evaluation, disclosure, and resolution of conflicts of interest (COI), as outlined
in Section 4.1.5. The HCO shall maintain a list of authorized verifiers and periodically report
authorized verifiers to the EPA, as described in Section 4.1.6.

•	Integrating updates. In the event of modifications or clarifications to the WaterSense
Specification for Homes, the HCO shall retrain verifiers on the new program requirements
before the verifier inspects additional homes. The HCO shall maintain up-to-date training
records.

4.1.4	Home Verification Protocols

The HCO shall implement home verification protocols, which shall include, at a minimum:

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•	Requiring verifiers to adhere to the WaterSense Specification for Homes. The HCO

shall ensure verifiers conduct verifications in accordance with the WaterSense Specification
for Homes.

•	Verifying builder partnership agreement with the EPA. The HCO shall verify that any
builder seeking home certification in accordance with the WaterSense Specification for
Homes has a signed WaterSense builder partnership agreement in place prior to issuing the
WaterSense label and associated certification documentation.

•	Maintaining verification documentation. The HCO shall obtain home verification
documentation (e.g., checklists, scorecards) from verifiers. At a minimum, the
documentation shall include:

o Builder partner contact information;

o Address or lot number of the verified home (and address or lot number of any homes

covered by a relevant sampling protocol);
o Documentation of verification results sufficient to recreate the verification per the

requirements of the WaterSense Specification for Homes]
o Pertinent information related to any alternative procedures used for verification (see
Section 4.3);

o Name and contact information for the verifier; and
o Home verification date(s).

•	Sampling protocol. The HCO may offer builder partners the opportunity to participate in a
sampling protocol if a builder partner intends to certify multiple homes within the same
subdivision, planned community, or multifamily building. Sampling protocols could allow a
builder to seek the WaterSense label for a group of homes based on pre-analysis of building
plans and subsequent verification of a sample set of the homes. If the HCO chooses to offer
a sampling protocol for home certification, the protocol shall outline eligibility requirements
for a builder partner to participate in the sampling protocol and ensure that verification
occurs on a representative sample of homes constructed by the builder partner. The
protocol shall also establish processes for revoking eligibility for sampling based on failure to
meet certification and quality assurance requirements.2

4.1.5 Impartiality

The HCO shall have a systematic method for ensuring financial, legal, and ethical impartiality as
it pertains to verifying a home's compliance with the WaterSense Specification for Homes and
issuing the WaterSense label. The HCO's impartiality management strategy shall account for
both organizational and individual COI. Organizational COI pertains to the organization(s)
responsible for various aspects of home verification and certification; whereas individual COI
pertains to a specific person involved in the verification or certification decision. Examples of
COI include, but are not limited to, an organization or individual:

2 In Version 1.2 of the WaterSense New Home Certification System, the EPA defined the sampling protocol to include
the successful inspection of the first seven homes within a subdivision, planned community, or multifamily building,
after which the verifier could randomly select and verify one home from every additional group of seven homes. To
provide additional flexibility under this version of the certification system, the HCO may choose to implement
sampling at a lower rate, provided it demonstrates to the EPA that it has other quality assurance activities in place to
ensure continued compliance with the requirements of the WaterSense Specification for Homes.

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•	Providing consulting or design services for a home.

•	Acting as the seller of the home or the seller's agent.

•	Acting as the lender for some portion of the financed payments on the home.

•	Selling, supplying, or installing products to facilitate the home meeting the specification
criteria.

•	Participating in both verification and sales or marketing activities of the HCO.

4.1.5.1	HCO Impartiality

The HCO is responsible for implementing its COI strategy for the organization and any
individuals under its direct employ.

4.1.5.2	Verifier Impartiality

An HCO that uses verifiers outside of its direct employ shall implement a verifier COI strategy
that includes the following:

•	Verifier COI disclosure. The HCO shall require current or prospective verifiers to disclose
any potential or existing COI.

•	Written verifier COI policy. The HCO shall have written procedures for evaluating and
resolving potential COI disclosed by the external verifiers. The HCO must also outline
procedures to be enacted in the event that COI cannot be satisfactorily resolved.

If the HCO assigns a designee(s) to implement the verifier COI policy, it shall have procedures
in place to ensure the designee's compliance with the verifier COI strategy.

4.1.5.3	Designee Impartiality

An HCO that uses a designee(s) as allowed by this certification system shall implement a
designee COI strategy that includes the following:

•	Designee COI disclosure. The HCO shall require current or prospective designees to
disclose any potential or existing COI.

•	Written designee COI policy. The HCO shall have written procedures for evaluating and
resolving COI presented by a designee. The HCO must also outline procedures to be
enacted in the event that COI issues cannot be satisfactorily resolved.

4.1.6 Messaging and Reporting

The HCO shall ensure information flow from WaterSense to the HCO (messaging) and
information flow from the HCO to WaterSense (reporting). The HCO shall also ensure that
relevant information is conveyed in a timely manner among WaterSense and the HCO's
designee(s), builders, and verifiers. At a minimum, the HCO's messaging and reporting
procedures shall include:

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•	Centralized messaging structure. The HCO shall have a structure that enables it to
disseminate information from WaterSense to relevant stakeholders. Stakeholders can
include designees, verifiers, and/or builders. Messaging shall be complete, clear, and timely.

•	Inquiry response system. The HCO shall have procedures for stakeholders to submit
questions about home certifications and the WaterSense label. The HCO shall have a
means of providing accurate and timely responses to these inquiries.

•	Quarterly reporting to WaterSense. The HCO shall report home certification information to
WaterSense at least quarterly in a format approved by the EPA. At minimum, the HCO shall
provide the following information regarding the homes certified and WaterSense labels
issued in accordance with the WaterSense Specification for Homes:

o Builder partner name;
o Number of certified homes; and

o General location of certified home(s), including development (if applicable), city, state,
and zip code.

•	Non-routine requests for reporting program information to WaterSense. The HCO shall
provide additional program information to WaterSense in a timely manner, as requested. On
occasion, WaterSense may request information about topics including, but not limited to:

o Checklists for specific homes;

o Promotional materials created by the HCO and/or its designee(s); and
o Common non-conformities or issues encountered during the past quarter

•	Maintaining information about authorized verifiers and reporting to WaterSense. The

HCO shall maintain basic information about authorized verifiers. In addition, the HCO shall
report information about its authorized verifiers to WaterSense at least quarterly.
WaterSense shall provide the HCO with a standardized format for reporting, which shall
include, at a minimum, the following information for each authorized verifier:

o	Name;

o	Employer (or company name if self-employed);

o	Phone number;

o	Email address (if available);

o	Website URL (if available);

o	Address and/or service area (e.g., state(s), zip codes, and/or markets where verification

services are offered); and

o	Confirmation that the information about the verifier can be made publicly available.

4.2 HCO Responsibilities for the Use of Designees

The HCO may delegate certain responsibilities to one or more designees, with the exception of
the responsibilities described below. In the instance of delegation, the HCO shall provide
WaterSense with information about the use of designee(s) and shall submit sufficient
information on policies that it requires designee(s) to follow. If the HCO plans to use a
designee(s), the HCO shall also submit its procedures for overseeing the designee(s) and the
fulfillment of their responsibilities. Procedures shall also include the process by which an HCO
will remove a designee if it fails to meet the HCO's requirements.

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The EPA has identified specific requirements the HCO may not delegate. Specifically, the HCO
itself must:

•	Maintain the final authority over the certification decision and issuance of the WaterSense
label as outlined in Section 5.3;

•	Establish and implement impartiality requirements as outlined in Section 4.1.5; and

•	Report information on authorized verifiers and certified homes to WaterSense as outlined in
Section 4.1.6.

HCOs using a designee(s) shall implement procedures that include, at a minimum, the
following, as applicable to the responsibilities of the designee(s):

•	Overseeing designee(s) performing quality assurance activities. If an HCO assigns a
designee(s) to fulfill some or all of its quality assurance services, the HCO shall monitor and
oversee the designee(s) to ensure that it follows the quality assurance procedures and
requirements established by the HCO.

•	Overseeing designee(s) performing verifier training. If an HCO assigns a designee(s) to
train and authorize verifiers, the HCO shall develop or approve the designee training
program and monitor and oversee the designee(s) to ensure that they are fulfilling the
training requirements. The HCO shall retain and maintain a list of trained and authorized
verifiers from the designee(s).

•	Collecting information from designee(s) and verifiers. The HCO shall collect data from
its designee(s) needed to satisfy WaterSense reporting requirements.

4.3 HCO-Specific Procedures Used in Lieu of EPA-Provided Materials

The EPA maintains technical resources (e.g., inspection checklist, irrigation audit checklist,
WaterSense Water Budget Tool) to assist HCOs and their approved verifiers in verifying and
certifying homes in accordance with the WaterSense Specification for Homes. However, HCOs
may possess alternative procedures and tools to verify that homes meet specific requirements
of the WaterSense Specification for Homes. For example, an HCO may provide its verifiers with
software that can verify compliance with the Water Budget Tool or checklist requirements in the
WaterSense Specification for Homes, instead of requiring them to use tools or checklists
provided by the EPA. To maximize efficiency and limit interference in the established business
processes of the certification and building industries, the EPA will, at its discretion, allow HCO-
specific procedures and tools to be used in lieu of the EPA's provided materials. In such
instances, the HCO shall demonstrate that, using its own procedures and tools in place of EPA-
provided materials, it can ensure the WaterSense label is only issued to homes that meet or
exceed the efficiency and performance criteria of the WaterSense Specification for Homes.

5.0 Procedures and Requirements for HCOs

The EPA shall evaluate an HCO's organizational structure prior to licensing the HCO to certify
and label homes in accordance with the WaterSense Specification for Homes. This section
outlines the HCO's application and licensing procedures and summarizes the HCO's roles and
responsibilities under this certification system.

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5.1	Application Procedures for HCOs

An HCO interested in certifying and labeling homes for WaterSense shall submit an application
to the EPA, including all necessary documentation to demonstrate compliance with the
requirements in Section 4.0. The EPA shall supply, and the HCO shall complete, the application
form. A copy of the application form, Application for Home Certification Organization (HCO)
Approval, is available on the WaterSense website.

In addition, the HCO shall provide with its application:

•	Documentation of Organizational Requirements: The HCO shall document compliance
with the organizational requirements listed in Sections 4.1 and 4.2. This shall include
information on the use and oversight of any designee(s).

•	Point of Contact: The HCO shall designate a point of contact in its application and shall
provide that individual's contact information. This point of contact shall be responsible for
communicating and disseminating information to and from the EPA as appropriate and will
be listed on the WaterSense website as the point of contact regarding the HCO's
certification offerings for WaterSense.

The application form is available on the WaterSense website. Completed applications and all
supporting documentation shall be emailed to the WaterSense Helpline at
watersense@epa.gov.

5.1.1 Provisional Approval

The EPA retains the right to provisionally approve an HCO for select requirements where an
HCO requires modification to fully adhere to the EPA's organizational requirements (as set forth
in Sections 4.1 and 4.2 [if applicable]). Requirements that may be considered for provisional
approval are detailed in the Application for Home Certification Organization (HCO) Approval.
For any requirement for which an HCO is provisionally approved, the EPA will work with the
HCO to develop a plan that outlines the conditions and timeline for full compliance with the
requirements. These terms will be detailed in the HCO's licensing agreement with the EPA.

5.2	HCO Licensure

Upon receipt and evaluation of the application and supporting documentation, if the HCO meets
all criteria satisfactorily, the EPA shall notify the HCO that it is eligible to sign a licensing
agreement. The HCO shall return signed copies of a licensing agreement supplied by the EPA.
This is a legal document between the EPA and the HCO that grants the HCO access to, and
conditions for authorizing the use and distribution of, the WaterSense label for homes. It also
outlines the terms and roles and responsibilities for certifying and labeling homes in accordance
with the WaterSense Specification for Homes. The licensing agreement signals the HCO's and
the EPA's commitment to cooperate in the administration of the WaterSense Labeled Homes
Program in accordance with the WaterSense Specification for Homes and the WaterSense
Home Certification System.

The EPA shall return signed and fully executed copies of the licensing agreement to the HCO
along with an electronic version of the WaterSense label, WaterSense label certificate, and any

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WaterSense-specific training or other program materials. The signed agreement signifies that
the HCO is authorized to train verifiers, certify homes, and issue the WaterSense label.

The EPA shall maintain a listing of licensed HCOs on the WaterSense website.

The EPA reserves the right to terminate the licensing agreement for any HCO that does not
actively fulfill the requirements outlined in this certification system.

5.3 Issuing the WaterSense Label

Prior to issuing the WaterSense label, the HCO shall ensure, either directly or through
procedures established with its designee(s), that a builder partnership agreement is in place
(and signed by both the builder and the EPA, as described in Section 6.1). To verify the
partnership, the HCO or its designee(s) should check the WaterSense website for a current list
of builder partners. If the builder is not listed as a partner on the WaterSense website, the HCO
or its designee(s) can verify the partnership agreement by contacting the WaterSense Helpline
at (866) WTR-SENS (987-7367) or watersense@epa.gov.

The HCO shall maintain the final authority over the certification decision and issuance of the
WaterSense label. It shall confirm that a builder partner's home(s) conform with and have been
verified in accordance with the WaterSense Specification for Homes. The HCO shall document
its certification decision, and the HCO or its designee shall complete and provide to the builder
partner the WaterSense label certificate for each certified home, which includes:

•	A certification statement that the home has been certified to meet the WaterSense
Specification for Homes;

•	The name of the builder partner;

•	The name/company of the authorized verifier;

•	The name of the HCO;

•	The address or lot number of the certified home; and

•	The date of certification.

At the time the WaterSense label is issued, the HCO shall also supply the builder partner with
guidelines on proper use of the WaterSense program marks.

5.3.1 Exemptions for Conflicts With Local Code

The EPA does not intend for the WaterSense Specification for Homes to exempt homes from
adhering to local codes, standards, or regulations. All homes shall obtain building permits, as
applicable, and therefore will need to meet local and state code requirements, regardless of
whether the builder is pursuing the WaterSense label for the home.

However, there is potential for local standards and codes to conflict with the EPA's requirements
included in the WaterSense Specification for Homes. In these cases, the HCO shall consult with
the EPA by contacting the WaterSense Helpline at watersense@epa.gov. The EPA will consider
and respond to such conflicts on a case-by-case basis and provide exceptions where
appropriate.

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5.4 Reporting and Recordkeeping

HCOs shall maintain records associated with program operations and routinely submit
documentation about verifiers and homes that have received the WaterSense label directly
to the WaterSense Helpline at watersense@epa.gov.

5.4.1	Reporting Authorized Verifiers to the EPA

The HCO shall maintain a list of authorized verifiers who have met all training, impartiality, and
other requirements as outlined in the HCO's approved organizational requirements. At least
quarterly, the HCO shall submit a complete list of authorized verifiers to the WaterSense
Helpline at watersense@epa.gov. See Section 4.1.6 for details on information that should be
included in the HCO's report.

At its discretion, the EPA may post the list of authorized verifiers (and/or associated employer)
to the WaterSense website, so that builder partners can find specific verifiers in their area who
can provide verification services for WaterSense. The EPA may also use the contact information
provided to contact authorized verifiers or to provide informative updates about the WaterSense
program. HCOs can notify the WaterSense Helpline at watersense@epa.gov regarding verifiers
who choose to opt out of communication.

5.4.2	Reporting WaterSense Labeled Homes to the EPA

The HCO shall report at least quarterly to the WaterSense Helpline regarding the homes that
they have certified within the previous quarter. See Section 4.1.6 for details on information that
should be included in the HCO's report.

5.4.3	Maintaining Records

The HCO shall maintain records related to its implementation of the certification and labeling of
homes for WaterSense and shall be able to provide the EPA with access to or copies of the
records upon request. In instances where a specific certification responsibility is delegated, as
allowed under this certification system, the HCO shall ensure that the designee(s) maintains the
relevant records and that it has access to the records upon request. The HCO and/or
designee(s) shall maintain all relevant records for a minimum of three (3) years. At a minimum,
these records shall include:

•	Documentation of quality assurance activities;

•	Verifier training and authorizations;

•	Verification records;

•	COI disclosures and resolutions; and

•	Documentation to support certification decisions.

6.0 Procedures and Requirements for Builder Partners

This section outlines the requirements and procedures for WaterSense builder partners.

Builders that partner with the EPA can earn WaterSense certification through an HCO of their

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choosing. To earn the WaterSense label, candidate homes will be verified and certified in
accordance with the WaterSense Specification for Homes.

6.1	Partnership With the EPA

Builders shall sign a builder partnership agreement with the EPA as described in the
WaterSense Program Guidelines if they wish to obtain the WaterSense label for their homes.
Receipt of the WaterSense label is contingent upon partnership and home certification. The
HCO or its designee shall verify that the builder has a partnership agreement in place with the
EPA as part of the certification process and prior to issuing the WaterSense label.

The EPA shall maintain a list of builder partners that have built or plan to build WaterSense
labeled homes.

As part of the builder partnership agreement with the EPA, the builder shall provide the EPA
with:

•	Contact information;

•	Company website, if applicable; and

•	A list of states and/or localities in which they build.

The EPA shall post this information on its builder partner list on the WaterSense website. The
registry may also include the general location (city, state) and number of WaterSense labeled
homes for each builder partner, as reported by the respective HCO.

6.2	Application

The builder partner shall apply for certification for each individual home. To initiate the
verification and certification process, the builder partner shall identify the HCO through which it
would like to obtain certification and contact the HCO or one of its authorized verifiers directly.
The EPA shall maintain a list of HCOs and associated authorized verifiers on the WaterSense
website, including the localities where the authorized verifiers offer verification services for the
HCO's program.

6.3	Home Certification and Labeling

The builder partner shall work with the HCO or its designee(s) and authorized verifiers to
determine a home's compliance with the WaterSense Specification for Homes. This includes
compliance with all quality assurance and oversight requirements specified by the HCO. Upon
verification, the HCO shall provide documentation of certification, and the HCO or its designee
will present the builder partner with a copy of the WaterSense label.

The WaterSense label indicates that the home has been certified to conform to the WaterSense
Specification for Homes. A WaterSense label shall not create any express or implied warranty.
At the time the WaterSense label is issued, the HCO or designee shall also supply the builder
partner with guidance on proper use of the WaterSense label. The builder partner is then
allowed to advertise that the home conforms to the specification and has earned the label. Any
promotion of the WaterSense label shall be directly related to the certified home or to a

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community of homes that earn the WaterSense label individually. The EPA will also provide
builder partners with promotional resources that will help them to advertise and market their
intent to build homes to meet the WaterSense specification.

7.0	EPA Oversight

The EPA is responsible for overseeing the HCO's implementation of the certification and
labeling of homes for WaterSense.

7.1	General HCO Oversight

The EPA reserves the right to audit the operations and records of an HCO and/or its
designee(s) to ensure that the HCO is meeting the responsibilities under this certification
system. The EPA shall request, and the HCO shall provide the EPA with, documentation to
facilitate the operations and records audit.

As part of its oversight responsibilities, the EPA shall investigate and respond to complaints
pertaining to HCOs. Complaints may be submitted directly to the WaterSense Helpline at
watersense@epa.gov.

If the EPA discovers that the HCO is failing to meet its responsibilities under this certification
system, it will notify the HCO and will coordinate corrective action or, if necessary, suspend or
revoke the HCO's participation in the program. In the event that an HCO fails to satisfy its
responsibilities, the EPA can terminate the HCO's licensing agreement. These measures can be
temporary or permanent at the EPA's discretion, depending on the severity of the issue.

7.2	Surveillance of Home Conformance and Label Use

The EPA also reserves the right to conduct periodic in-home inspections of labeled homes prior
to their sale or initial occupancy and to periodically review websites and other certification
references and WaterSense label usages. In the case of an in-home inspection, the EPA will
coordinate the visit with the builder partner and the home's verifier and/or HCO, so as not to
delay the certification process. If nonconformities with the specification are identified, the EPA
will notify the HCO and/or the builder partner and will engage in corrective or other necessary
action in accordance with Section 8.0 of this document.

8.0 Suspension or Withdrawal of the WaterSense Label From Homes

The HCO is responsible for notifying the EPA of specific instances of nonconformity.
Nonconformity may include, but is not limited to:

•	Receipt of formal complaints from home buyers or other interested parties indicating that a
certified home's water-efficient features were generally misrepresented (e.g., multiple
features do not comply with the specification).

•	Instances where the HCO or its designee discovers that a builder is fraudulently or falsely
claiming that its homes have been certified and labeled in accordance with the WaterSense
Specification for Homes and this certification system.

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The EPA is responsible for engaging the builder partner in corrective action and for determining
when the use of the WaterSense label should be suspended or withdrawn due to
nonconformance or improper use of or reference to the WaterSense label. The EPA might also
discover nonconformance or improper use or reference to the WaterSense label from its
stakeholders or during periodic reviews of certification and label usage. If the EPA discovers
nonconformance or certification and labeling issues, it will notify the HCO that issued the
WaterSense label and will coordinate corrective action or, if necessary, label suspension or
withdrawal.

WaterSense label suspension can occur for a limited period of time as specified by the EPA.
During the period of suspension, the builder partner is prohibited from using the WaterSense
label in conjunction with the home in question and with any home built after the issuance of a
suspension, until such time as the EPA indicates the suspension can be removed. The HCO
shall assist the EPA as necessary by revoking the WaterSense label from the home in question,
determining when the terms for suspension removal have been fulfilled, ensuring that no new
WaterSense labels are issued during the period of suspension, and upon the EPA's approval,
reissuing the WaterSense label to the builder partner for the home in question.

In more severe or repeated instances of nonconformity, improper use or reference to the
WaterSense label, or failure to meet the requirements for reinstatement of a suspended
WaterSense label, the EPA will rescind the WaterSense label from all of the builder partner's
certified homes that have not yet been sold. The EPA will notify the builder partner that the
certification and WaterSense label are being withdrawn.

If a builder's use of the WaterSense label is withdrawn for any reason, the EPA will require that
the builder partner cease to advertise the certification of its homes to the WaterSense
specification, and the label shall be eliminated immediately from homes not already sold. The
EPA will inform the HCO that the builder partner is no longer allowed to use or receive the
WaterSense label and will decide whether termination of the builder partnership agreement or
other corrective action is warranted. The HCO will assist the EPA as necessary by rescinding
the WaterSense label from all certified homes that have not yet been sold and will not issue any
new WaterSense labels to the builder partner.

9.0	Amendments, Modifications, and Revisions

In the course of program operations, the HCO and/or the EPA may decide to change certain
elements of program structure and function. The following sections describe procedures to be
followed in the event of amendments, modifications, and/or revisions initiated either by the HCO
or the EPA.

9.1	HCO-lnitiated Changes

The HCO shall notify the EPA in writing about any proposed organizational or other changes
that materially affect its ability to comply with the requirements outlined in this certification
system and ensure that homes meet the requirements of the WaterSense Specification for
Homes. Notification shall be made at least 60 days prior to the implementation of such changes
and with sufficient time to allow for the EPA to evaluate the changes and determine if the HCO
will continue to meet the requirements of the certification system and the WaterSense

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Specification for Homes. The HCO shall notify the EPA of these changes via email by
contacting the WaterSense Helpline at watersense@epa.gov.

The EPA shall notify the HCO if modifications are needed to the proposed requirements or the
licensing agreement between the EPA and the HCO as a result of the changes.

9.2 EPA-lnitiated Program Changes

The EPA reserves the right to amend these rules of procedure, which may include issuing
technical clarifications or amending or revising this certification system or the WaterSense
Specification for Homes. The EPA may revise these documents independently, depending on
the nature of the changes.

Revisions to the specification or this certification system can occur due to technological and/or
market changes that affect the usefulness of the requirements to HCOs, builders, consumers,
industry, or the environment, or to clarify requirements. The EPA will only make major revisions
following an open, public process. This will include discussion with builders, HCOs, and other
interested stakeholders regarding the changes and any transition period. Minor revisions will
generally be more editorial in nature and serve to clarify requirements. The EPA will notify
stakeholders when revisions are considered major or minor. To facilitate version control, the
EPA will designate a title, version number, and date for all of the relevant documents it
produces, as indicated below:

•	WaterSense Home Certification System

•	Version X.Y

•	Month, Day, Year

10.0 For More Information

For inquiries or other questions related to this home certification system or the WaterSense
Specification for Homes, please contact the WaterSense Helpline at (866) WTR-SENS (987-
7367) or watersense@epa.gov

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