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Developing Restoration Plans
Once the states, territories, and authorized tribes have
identified their polluted waters, they begin to develop
restoration plans called TMDLs. Before each TMDL is
submitted to EPA, there must be at least 30 days for
public review and comment. The proposed regulatory
changes would require that each TMDL have the
following ten minimum elements:
10 Minimum Elements of a TMDL
/ Name and location of the impaired or threatened
waterbody.
/ Identification of the pollutant and the amount
that the waterbody can recieve and still meet
water quality standards.
/ The excess amount of the pollutant that keeps
the waterbody from meeting water quality
standards.
/ • Identification of the source or sources of the
pollutant.
/ A determination of the amount of pollutants that
may come from point sources.
/ A determination of the amount of pollutants that
may come from nonpoint sources.
/ A margin of safety in case the modeling or
monitoring techniques are not adequate.
/ Consideration of seasonal variation to account for
water levels, temperature, etc.
/ An allowance for future growth and reasonably
foreseeable increases in pollutants.
/ An implementation plan with on-the-ground
actions to ensure that the TMDL will result in a
healthy watershed.
States, territories, and authorized tribes are to establish TMDLs, but EPA may establish TMDLs in the
following circumstances:
If a state asks EPA to establish a TMDL;
If EPA determines that a state has not or isn't likely to establish TMDLs in accordance
with the state's schedule; or
If EPA determines that it should establish TMDLs for interstate or boundary waterbodies.
What Can Be bone to Achieve
Cleaner Waters While a
TMDL is Being Developed?
For Nonpoint Sources
* Reduce runoff of pollutants through
more efficient use of water,
fertilizer, pesticides.
* Put vegetation on bare lawns and
farm fields.
* Keep pets and farm animals out of
streams.
For Point Sources
+ If discharges will not violate water
quality standards, NPDES permits
may be issued.
» If a waterbody is polluted, large
new or expanding dischargers must
work with other pollutant sources
in the watershed to reduce or
"offset" the total amount of the
pollutant coming into the
waterbody.
For More Information including state lists and maps & proposed regulations,
see EPA's TMDL homepage-
http: //www. epo. gov/owow/tmdl
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