Tribal Coordination with the Public is Key to a
Successful Designated Use Revision

AEPA

The authorized
Tribe identifies the
past and current use
of the waterbody,
the problem limiting
attainment of the
use, and the actions
that would result in
attaining the use.

Collaborate with
stakeholders on
the use revision
process, such as

through a
workgroup or
survey.

The authorized Tribe determines the
highest attainable use (HAU) and
documents findings in a use
attainability analysis (UAA).

The authorized Tribe proposes the
HAU as the new designated use.

The authorized Tribe holds public
hearings and requests public input.

The authorized
Tribe adopts the
revised use after
considering
public input.

The authorized
Tribe submits the
revised use and

supporting
documentation to
EPA for review.

The revised use is

CWA-effective
upon EPA approval.

The authorized
Tribe holds a
public hearing to
review WQS,
including
designated uses,
at least once
every three
years.

DESIGNATED USE REVISION PROCESS

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ENGAGE THE PUBLIC AT EACH S

Be transparent.

Request public
comment.

Clearly explain the

problem, the
proposed HAU, and
how the public can
engage.

Consider all public

comments and
communicate how
public input was
used to revise the
designated use.

Provide the
response to
comments to the
public.

Keep the public
informed and invite
feedback on water
quality progress.

Make monitoring
results publicaly
available.

Office of Water 823-F-24-0Q8

For more information on designated use revisions
visit the EPA's website.

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