Your Input is Important to a Successful Tribal Designated Use Revision v»EPA

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

Collaborate with
the authorized
Tribe, such as
participating in a
workgroup or
survey.

Provide informa-
tion and data on
current or past
uses of the
waterbody.

Ask why the
authorized Tribe
believes the use
cannot be attained.

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 desig-
nated uses, at
least once every
three years.

DESIGNATED USE REVISION PROCESS





OPPORTUNITIES TO PROVIDE YOUR INPUT

Continue to

provide
site-specific
infomation on:

-stressors to
the waterbody
and its sources;

-actions that
can minimize

the stressors;

-information to
identify the
HAU.

Review the
draft UAA and
use revision.

Provide comments
and ask how the
authorized Tribe
will use your
feedback.

Participate in public
hearings.

Read the
final UAA
and the
response to
comments
document.

Ask that
waterbody
monitoring
results be
made publicly
available so
that you can
track water
quality.

Participate in
opportunities for
formal public input,
including public
hearings.

Provide feedback
and suggestions for
improving water
quality.

Office of Water 823-F-24-010

For more information on designated use revisions

visit the EPA's website.	\m\

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