Trash TMDL for the Los Trash TMDL for the Los Angeles River Watershed Angeles River Watershed Item # 7 Item # 7 April 15, 2008 April 15, 2008
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Trash TMDL for the Los Trash TMDL for the Los Angeles River WatershedAngeles River Watershed
Item # 7Item # 7April 15, 2008April 15, 2008
Comments
•16 comments, 2 were late
• Responses
Conclusion and QuestionsConclusion and Questions
•• Approval of this TMDLApproval of this TMDL
•• QuestionsQuestions
BackgroundBackgroundLA River 303(d) Listed for TrashLA River 303(d) Listed for Trash 19981998Consent decree Consent decree BaykeeperBaykeeper v. EPAv. EPA 19991999Previous Trash TMDL Adopted by RBPrevious Trash TMDL Adopted by RB Sept. 2001Sept. 2001
Previous Trash TMDL Approved by SWRCBPrevious Trash TMDL Approved by SWRCB February 2002February 2002
Previous Trash TMDL Approved by OALPrevious Trash TMDL Approved by OAL July 2002July 2002
Previous Trash TMDL Approved by EPAPrevious Trash TMDL Approved by EPA Aug. 2002Aug. 2002
Settlement Agreement w/ Los Angeles City Settlement Agreement w/ Los Angeles City and Countyand County
Sept. 2003Sept. 2003
Ruling on Ruling on Cities of Arcadia v. RWQCB Cities of Arcadia v. RWQCB finalfinal June 2006June 2006
Trash TMDL set aside by Regional Board Trash TMDL set aside by Regional Board per court orderper court order
June 2006June 2006
LARWQCB adopted new trash TMDLLARWQCB adopted new trash TMDL August 9, 2007August 9, 2007
Los Angeles River WatershedLos Angeles River Watershed
Los Angeles River Debris SummaryLos Angeles River Debris Summary
Storm Year Total2001- 2002 1,8582002- 2003 4,6302003- 2004 2,6362004-2005 12,2552005- 2006 2,591
Tons of debris: City of Long Beach
Impacted ReachesImpacted Reaches
•• Los Angeles River (Reaches 1, 2, 3, 4 & 5)Los Angeles River (Reaches 1, 2, 3, 4 & 5)•• Los Angeles River EstuaryLos Angeles River Estuary•• Los Angeles River TributariesLos Angeles River Tributaries
–– Burbank Western Channel Burbank Western Channel –– Verdugo Wash (Reaches 1 & 2) Verdugo Wash (Reaches 1 & 2) –– Arroyo Seco (Reaches 1 & 2) Arroyo Seco (Reaches 1 & 2) –– Rio Hondo Reach 1 Rio Hondo Reach 1
•• Peck Road Lake, Echo Park Lake & Lincoln Park Peck Road Lake, Echo Park Lake & Lincoln Park LakeLake
2007 Trash TMDL2007 Trash TMDL
•• Similar Approach to 2001 Trash TMDLSimilar Approach to 2001 Trash TMDL
•• Extensive California Environmental Quality Act (CEQA) Extensive California Environmental Quality Act (CEQA) AnalysisAnalysis
•• ““Certified Regulatory ProgramCertified Regulatory Program””–– program level analysisprogram level analysis–– reasonably foreseeable means of compliancereasonably foreseeable means of compliance–– potential adverse environmental impactspotential adverse environmental impacts–– mitigation measuresmitigation measures
•• Updated Baseline Waste Load AllocationsUpdated Baseline Waste Load Allocations
Water Quality ObjectivesWater Quality Objectives Water Quality Control Plan, Los Angeles RegionWater Quality Control Plan, Los Angeles Region
Floating MaterialFloating Material•• ““Waters Waters shall notshall not contain floating materials contain floating materials
including solids, liquids, foams, and scum in including solids, liquids, foams, and scum in concentrations that cause nuisance or adversely concentrations that cause nuisance or adversely affect beneficial use.affect beneficial use.””
Solid, Suspended, or Settleable MaterialsSolid, Suspended, or Settleable Materials•• ““Waters Waters shall notshall not contain suspended or contain suspended or
settable material in concentrations that cause settable material in concentrations that cause nuisance or adversely affect beneficial uses.nuisance or adversely affect beneficial uses.””
Zero Numeric TargetZero Numeric Target
•• Consistent with Basin Plan, other lawsConsistent with Basin Plan, other laws•• Regional Board precedentRegional Board precedent•• State Board approvedState Board approved•• OAL & EPA ApprovedOAL & EPA Approved•• Upheld by Court of AppealsUpheld by Court of Appeals•• Trash and litter ordinances prohibit all Trash and litter ordinances prohibit all
trashtrash
Sources of TrashSources of Trash
•• Storm drain Storm drain discharges discharges -- primary primary source of trash in Los source of trash in Los Angeles RiverAngeles River
Waste Load AllocationsWaste Load Allocations
•• Baseline WLA = Baseline WLA = Summation of: Summation of: Land use area x trash Land use area x trash generated (by land use)generated (by land use)
•• Interim WLAs =Interim WLAs =% reductions of the Baseline WLA% reductions of the Baseline WLA
•• Final WLA = Numeric Target = 0Final WLA = Numeric Target = 0
Key Compliance DatesKey Compliance Dates
DateDate WLAWLA Compliance PointCompliance Point
Sep 30, 2008Sep 30, 2008 60% of Baseline WLA60% of Baseline WLA 60% of the baseline 60% of the baseline
Sep 30, 2009Sep 30, 2009 50% of Baseline WLA50% of Baseline WLA 55% of the baseline 55% of the baseline
Sep 30, 2010Sep 30, 2010 40% of Baseline WLA40% of Baseline WLA 50% of the baseline50% of the baseline(re(re--opener)opener)
Sep 30, 2011Sep 30, 2011 30% of Baseline WLA30% of Baseline WLA 40% of the baseline 40% of the baseline
Sep 30, 2012Sep 30, 2012 20% of Baseline WLA20% of Baseline WLA 30% of the baseline 30% of the baseline
Sep 30, 2013Sep 30, 2013 10% of Baseline WLA10% of Baseline WLA 20% of the baseline 20% of the baseline
Sep 30, 2014Sep 30, 2014 0% of Baseline WLA0% of Baseline WLA 10% of the baseline 10% of the baseline
Sep 30, 2015Sep 30, 2015 0% of Baseline WLA0% of Baseline WLA 3.3% of the baseline 3.3% of the baseline
Sep 30, 2016Sep 30, 2016 0% of Baseline WLA0% of Baseline WLA 0% of the baseline 0% of the baseline
Compliance StrategiesCompliance Strategies
•• Full capture systemsFull capture systems•• Partial capture systemsPartial capture systems•• Institutional controlsInstitutional controls
Certified Full Capture SystemsCertified Full Capture Systems•• Hamilton Bowl Trash NetsHamilton Bowl Trash Nets
–– City of Signal Hill/ LACDPWCity of Signal Hill/ LACDPW
•• Gross Solids Removal Devices (two types)Gross Solids Removal Devices (two types)–– California Department of TransportationCalifornia Department of Transportation
•• Catch Basin Brush Inserts & Mesh ScreensCatch Basin Brush Inserts & Mesh Screens–– Cities of Burbank, Glendale, La Canada Flintridge & Cities of Burbank, Glendale, La Canada Flintridge &
Pasadena Pasadena
•• Catch Basin Insert Screens (two designs)Catch Basin Insert Screens (two designs)–– City of Los AngelesCity of Los Angeles
•• Connector Pipe ScreenConnector Pipe Screen–– County of Los AngelesCounty of Los Angeles
Vortex Separation SystemVortex Separation System
www.cdstech.com
Gross Solids Removal DeviceGross Solids Removal Device
Catch Basin Brushes & Mesh ScreenCatch Basin Brushes & Mesh Screen
Horizontal & Vertical Screen InsertsHorizontal & Vertical Screen Inserts
Connector pipe screen deviceConnector pipe screen device
Conclusion and QuestionsConclusion and Questions
•• Approval of this TMDLApproval of this TMDL
•• QuestionsQuestions
Trash TMDL Compliance DatesTrash TMDL Compliance DatesYearYear 2001 Trash TMDL2001 Trash TMDL 2007 Trash TMDL2007 Trash TMDL
20052005 No compliance pointNo compliance point No compliance pointNo compliance point
20062006 80% of Baseline WLA80% of Baseline WLA No compliance pointNo compliance point
20072007 70% of Baseline WLA70% of Baseline WLA No compliance pointNo compliance point
20082008 60% of Baseline WLA60% of Baseline WLA 60% of Baseline WLA60% of Baseline WLA
20092009 50% of Baseline WLA50% of Baseline WLA 55% of Baseline WLA55% of Baseline WLA
20102010 40% of Baseline WLA40% of Baseline WLA 50% of Baseline WLA
2011 30% of Baseline WLA 40% of Baseline WLA
2012 20% of Baseline WLA 30% of Baseline WLA
2013 10% of Baseline WLA 20% of Baseline WLA
2014 3.3% of Baseline WLA 10% of Baseline WLA
2015 0% of Baseline WLA 3.3% of Baseline WLA
2016 Full Compliance 0% of Baseline WLA
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