*>EPA

United States
Environmental Protection
Agency

For more information

To file a comment on the proposed
designation of Michindoh Aquifer as
a "sole-source" aquifer, please send
your comments in writing to:

William Spaulding

EPA Region 5 (WG-15J)
77 W. Jackson Blvd.

Chicago, IL 60604
800-621-8431, Ext. 69262
spaulding.william@epa.gov

You may also contact Spaulding for
additional information on the city of
Bryan's application.

You may inspect a copy of the
Michindoh Sole-source Aquifer
Petition at the EPA Region 5 office
in Chicago (address above). Contact
Spaulding for an appointment. You
may also see the petition at:

Bryan Municipal Utilities Office
841 E. Edgerton St., Bryan

Williams County Public Library
107 E. High St., Bryan

Hillsdale Community Library
11 E. Bacon St., Hillsdale, Mich.

Lenawee County Library
4459 W. U.S. 223, Adrian, Mich.

Butler Public Library

340 S. Broadway, Butler, Ind.

Hudson Public Library

205 S. Market St., Hudson, Mich.

Or visit:

www.epa.gov/region5/water/gwdw/
michindoh/index.htm

Comment Period Extended on
Sole-source Aquifer Petition

Michindoh Aquifer

Bryan, Ohio

January 2010

Area residents now have more time to comment on an application from the
city of Bryan, Ohio, to designate the Michindoh Aquifer as a "sole-source"
aquifer. U.S. Environmental Protection Agency heard from the public at
two meetings and a formal public hearing in January and decided to extend
the public comment period to Friday, April 16 (see box, left).

The city originally filed its petition for the sole-source designation in
October 2007. After a detailed review, EPA announced its preliminary
decision to approve the request and opened a public comment period. The
Agency extended the comment period once and conducted public meetings
in two area cities. The second extension is in response to what EPA officials
heard at those events.

The Safe Drinking Water Act gives EPA the authority to designate sole-
source aquifer areas as a way to protect supplies of drinking water. Such a
designation means EPA is obligated to review all federally funded projects
that could contaminate the aquifer. EPA's review could prompt a
requirement for more stringent design changes and could even deny federal
funding.

This map shows the location of the St. Joseph and Tiffin river basins, which approximately
overlie the boundaries of the proposed Michindoh Sole-source Aquifer. The aquifer area is
under all or part of nine counties ill three states. Source: Bryan Public Utilities.

Calhoun

William:

Noble

Whitley

Indiana -1

Allen



Marion


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Creviced rock

Gravel

Water (not ground water) held by molecular attraction
surrounds surfaces of rock particles

- Approximate level of the water table

All openings below water table
full of ground water

This diagram shows a typical aquifer. Ground water is found in spaces between underground rocks, or in areas of gravel or sand. Ground water is
always below the water table. Lakes, rivers and streams are called "surface water. " Source: U.S. Geological Survey.

Definitions and background

An aquifer is a porous geologic formation, usually
consisting of sand and gravel, which holds water. This
is called "ground water," and it is often tapped to
provide drinking water. EPA defines a sole-source
aquifer as one that supplies at least 50 percent of the
drinking water consumed in the area overlying the
aquifer, and where contamination would present both a
significant public health hazard and an economic
hardship in the high cost of replacing the contaminated
water.

The proposed Michindoh Sole-source Aquifer Area
includes all of Ohio's Williams County and parts of
Defiance and Fulton counties in Ohio; Allen, DeKalb
and Steuben counties in Indiana; and Hillsdale,
Lenawee and Branch counties in Michigan. The
proposed designation was based on a geologic study of
the area that evaluated where the ground water is
located and how it flows, as well as soil characteristics
and an economic analysis of census data.

Federal financial assistance can be any financial benefit
provided as aid to a specific project through a

department or agency of the federal government.
Examples of projects typically reviewed by EPA
include major highway improvement projects, new
transit centers, public water supply improvements,
wastewater treatment facilities, projects that involve
management of animal waste, and housing subdivisions
or other building projects that are not served by water,
sewer and storm drainage systems.

These reviews include federal grant or loan
applications to U.S. Department of Transportation's
Federal Highway Administration and Federal Transit
Administration, U.S. Department of Agriculture's Farm
Service Agency and Farmers Home Administration,
and U.S. Department of Urban Development.

EPA's role in the review of agricultural projects has
traditionally been to coordinate with the USDA
funding agency to ensure adequate ground water
protection safeguards are included in the project
design. EPA could ask the funding agency to make sure
the applicant is aware of and follows the most
appropriate and feasible agricultural management
practices. For example, livestock operations seeking

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federal loans for herd expansions could be required to
ensure they follow appropriate waste disposal practices
and have adequate animal waste management facilities
in place to handle the additional waste. Projects
submitted by applicants seeking federal funds to
establish or install conservation practices that improve
overall water quality are typically not reviewed by
EPA.

Project delays will be minimal unless the EPA review
finds the proposed project or activity could create a
significant public health hazard. Projects are screened
using predetermined criteria by the funding agency
soon after project applications are received. EPA
typically reviews and comments within 30 days. If
EPA makes no comments within that time, the proposal
is considered to be EPA-approved.

Federally funded new wells and water supply systems
must be designed and constructed so that public health
is not threatened. This means well and treatment
structures are constructed in low-risk settings using
design and materials that enable the system to maintain
compliance with EPA drinking water standards.
Treatment and conveyance systems need to be installed
using environmentally safe construction and materials
handling practices.

According to Section 1424(e) of the Safe Drinking
Water Act, any individual, corporation, company,
association, partnership, state, municipality or federal
agency is qualified to submit a formal request, or
"petition," for SSA designation. Petitions must contain

sufficient technical information to evaluate whether the
aquifer meets EPA's designation criteria. EPA reviews
the petition and - if it meets the appropriate criteria -
seeks public comments. EPA reviews all comments it
receives and approves or denies the petition. The decision
is published in the Federal Register and announced on the
EPA Web site.

EPA received the Michindoh Aquifer SSA petition in
October 2007. The petition passed a completeness review
in February 2008. After a more detailed content review,
the city of Bryan revised the petition to address EPA's
comments. EPA asked for public comments on its
preliminary decision to approve the petition Oct. 5, 2009.
Based on comments received, EPA extended the
comment period to Jan. 29, 2010. As a response to
comments recently received, EPA is extending the
comment period for a second time. EPA will review all
comments received and produce a response summary,
which will be available on EPA's Web site. EPA's final
decision be published in the Federal Register and
announced on the EPA Web site.

Projects that are to receive federal financial assistance
and which have the potential to contaminate the aquifer
so as to create a significant hazard to public health are
subject to EPA review and approval.

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LEGEND

Proposed Sole Source
Aquifer Boundary

Existing Surface Water Based P\VSS
^ Existing Groundwater Based PVC'SS

This map shows the boundaries of the proposed Michindoh Sole-source Aquifer Area, as well as roads, towns and the location ofpublic water
supply systems in the region. Source: Bryan Public Utilities.

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