Major Topics Major Topics Good News Good News TMDL Basics TMDL - - PowerPoint PPT Presentation

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Major Topics Major Topics Good News Good News TMDL Basics TMDL - - PowerPoint PPT Presentation

Major Topics Major Topics Good News Good News TMDL Basics TMDL Basics TMDL TMDL vs vs MS4 Permit MS4 Permit Major Objections Major Objections Staff Recommendation Staff Recommendation Interested


slide-1
SLIDE 1

Major Topics

Major Topics

  • Good News

Good News

  • TMDL Basics

TMDL Basics

  • TMDL

TMDL vs vs MS4 Permit MS4 Permit

  • Major Objections

Major Objections

  • Staff Recommendation

Staff Recommendation

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SLIDE 2

Interested Parties Interested Parties Support the TMDL Support the TMDL

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SLIDE 3
  • Attain Water Quality Objectives
  • Restore Beneficial Uses

TMDL is an “Action Plan” TMDL is an “Action Plan”

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SLIDE 4
  • Problem Statement
  • Numeric Target
  • Source Analysis
  • Load Capacity or TMDL
  • Allocation
  • Linkage Analysis
  • Margin of Safety
  • Seasonal Variation / Critical Conditions

Components of a TMDL

Components of a TMDL

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SLIDE 5

TMDL TMDL vs vs MS4 Permit MS4 Permit

TMDL TMDL MS4 MS4 Permit Permit

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SLIDE 6

Major Objections Major Objections

  • 303(d) listed for toxicity (not

303(d) listed for toxicity (not diazinon) diazinon)

  • Requires immediate

Requires immediate compliance with numeric compliance with numeric limits limits

  • TMDL is not needed because

TMDL is not needed because

  • f USEPA’s phase-out
  • f USEPA’s phase-out
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SLIDE 7

Major Objections ( Major Objections (cont cont.) .)

  • TMDL is redundant with MS4

TMDL is redundant with MS4 permit permit

  • Monitoring Program is too

Monitoring Program is too expensive expensive

  • Source Analysis is too

Source Analysis is too expensive expensive

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SLIDE 8

Adopt

Adopt Resolution Resolution

  • No. R9-2002-0123
  • No. R9-2002-0123