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Major Topics

Major Topics. Good News TMDL Basics TMDL vs MS4 Permit Major Objections Staff Recommendation. Interested Parties Support the TMDL. TMDL is an “Action Plan”. - Attain Water Quality Objectives - Restore Beneficial Uses. Components of a TMDL. Problem Statement Numeric Target

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Major Topics

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  1. Major Topics • Good News • TMDL Basics • TMDL vs MS4 Permit • Major Objections • Staff Recommendation

  2. Interested PartiesSupport the TMDL

  3. TMDL is an “Action Plan” - Attain Water Quality Objectives - Restore Beneficial Uses

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

  5. TMDL vs MS4 Permit MS4 Permit TMDL

  6. Major Objections • 303(d) listed for toxicity (not diazinon) • Requires immediate compliance with numeric limits • TMDL is not needed because of USEPA’s phase-out

  7. Major Objections (cont.) • TMDL is redundant with MS4 permit • Monitoring Program is too expensive • Source Analysis is too expensive

  8. Adopt ResolutionNo. R9-2002-0123

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