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US EPA’s TMDL Program Components
A US EPA report (US EPA, 1998) lists seven
components of the TMDL program:
- Target identification: what is the problem
and how can it be quantified?
- Identification of current deviation from the
target or the level of pollution reduction
necessary to meet the target: how different are
current conditions from desired conditions?
- Source identification: where is the pollution
coming from?
- Allocation of pollutant loads (or an alternative
providing an equivalent demonstration of
attainability of standards).
- Implementation plan: how will TMDL
standards be achieved?
- Process for monitoring/assessment of
effectiveness: is the implementation plan
working?
- Process for TMDL revision: after data
come in from BMP implementation and
monitoring, are revisions in the TMDL justified?
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