major topics
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
Major TopicsMajor Topics
• Good NewsGood News
• TMDL BasicsTMDL Basics
• TMDL vs MS4 PermitTMDL vs MS4 Permit
• Major ObjectionsMajor Objections
• Staff RecommendationStaff Recommendation
Interested PartiesInterested PartiesSupport the TMDLSupport the TMDL
- Attain Water Quality Objectives
- Restore Beneficial Uses
TMDL is an “Action Plan”TMDL is an “Action Plan”
• Problem Statement
• Numeric Target
• Source Analysis
• Load Capacity or TMDL
• Allocation
• Linkage Analysis
• Margin of Safety
• Seasonal Variation / Critical Conditions
Components of a TMDLComponents of a TMDL
TMDL vs MS4 PermitTMDL vs MS4 Permit
TMDLTMDL
MS4 MS4 PermitPermit
Major ObjectionsMajor Objections
• 303(d) listed for toxicity (not 303(d) listed for toxicity (not diazinon)diazinon)
• Requires immediate compliance with Requires immediate compliance with numeric limitsnumeric limits
• TMDL is not needed because of TMDL is not needed because of USEPA’s phase-outUSEPA’s phase-out
Major Objections (cont.)Major Objections (cont.)
• TMDL is redundant with MS4 permitTMDL is redundant with MS4 permit
• Monitoring Program is too Monitoring Program is too expensiveexpensive
• Source Analysis is too expensiveSource Analysis is too expensive
Adopt Adopt ResolutionResolution
No. R9-2002-0123No. R9-2002-0123