Total Maximum Daily Loads (TMDLs)

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No. No. Resolution No. Watershed Pollutant Resolution Name Staff Contact Last Updated New Posting
1261R18-006Malibu CreekTrashReconsideration of the Malibu Creek Trash... more
  • Alexander Prescott
  • (213) 576-6804
  • May 21, 2019
  • 1272R18-005Calleguas CreekTrashReconsideration of the Revolon... more
  • Alexander Prescott
  • (213) 576-6804
  • May 21, 2019
  • 1333R19-005Santa Clara RiverTrashReconsideration of the Lake Elizabeth, Munz... more
  • Alexander Prescott
  • (213) 576-6804
  • Apr 8, 2019
  • 1344R19-005Los Angeles RiverTrashReconsideration of the Legg Lake Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Apr 8, 2019
  • 1355R19-005Ventura RiverTrashReconsideration of the Ventura River Estuary... more
  • Alexander Prescott
  • (213) 576-6804
  • Apr 8, 2019
  • 1316R19-004Santa Monica BayDebrisReconsideration of the Santa Monica Bay... more
  • Alexander Prescott
  • (213) 576-6804
  • Jan 8, 2019
  • 1327R19-004Dominguez ChannelTrashReconsideration of the Machado Lake Trash... more
  • Alexander Prescott
  • (213) 576-6804
  • Jan 8, 2019
  • 1288RXX-XXXDominguez ChannelMultipleDominguez Channel and Greater Los Angeles... more
  • Thanhloan Nguyen
  • (213) 576-6689
  • Apr 10, 2018
  • 1249RXX-XXXMisc Ventura CoastalBacteriaVentura County Coastal Beaches Bacteria TMDL
  • Man Voong
  • (213) 576-6690
  • Feb 21, 2018
  • 12510RXX-XXXMisc Ventura CoastalBacteriaVentura Harbor: Keys Bacteria TMDL
  • Jessica Pearson
  • (213) 576-6786
  • Feb 21, 2018
  • 11511R16-006Santa Clara RiverNutrientsSanta Clara River Lakes Nutrients TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Jun 27, 2017
  • 11912R16-007Calleguas CreekMetalsReconsideration of the TMDLs for Metals and... more
  • Thanhloan Nguyen
  • (213) 576-6689
  • Jun 23, 2017
  • 12013R16-009Malibu CreekMultipleImplementation Plan for the Total Maximum... more
  • Jessica Pearson
  • (213) 576-6786
  • May 16, 2017
  • 10314R13-004San Gabriel RiverMetalsImplementation Plans for the Total Maximum... more
  • Alexander Prescott
  • (213) 576-6804
  • May 11, 2017
  • 11315R15-004Los Angeles RiverMetalsBasin Plan amendment to adopt site-specific... more
  • Jenny Newman
  • (213) 576-6691
  • Dec 12, 2016
  • 10616R15-006Los Angeles RiverTrashReconsideration of Trash TMDL for Los... more
  • Man Voong
  • (213) 576-6690
  • Jun 30, 2016
  • 10717R15-006Ballona CreekTrashReconsideration of Ballona Creek Trash TMDL
  • Man Voong
  • (213) 576-6690
  • Jun 30, 2016
  • 11118R15-005San Gabriel RiverBacteriaTMDL for Indicator Bacteria in the San... more
  • Kangshi Wang
  • (213) 576-6780
  • Jun 14, 2016
  • 9719R13-010Ballona CreekToxicsReconsideration of Ballona Creek Estuary... more
  • Man Voong
  • (213) 576-6690
  • Oct 26, 2015
  • 9820R13-010Ballona CreekMetalsReconsideration of Ballona Creek Metals TMDL
  • Man Voong
  • (213) 576-6690
  • Oct 26, 2015
  • 9621R14-004Marina del ReyToxicsReconsideration of Marina del Rey Harbor... more
  • Shana Rapoport
  • (213) 576-6763
  • Oct 16, 2015
  • 10222R14-010Santa Clara RiverChlorideSanta Clara River Chloride TMDL Revision &... more
  • Celine Gallon
  • (213) 576-6784
  • Apr 28, 2015
  • 9923R13-004Los Cerritos ChannelMetalsImplementation Plans for the Total Maximum... more
  • Alexander Prescott
  • (213) 576-6804
  • Oct 13, 2014
  • 9524R12-010Los Angeles RiverNutrientsReconsideration of Los Angeles River... more
  • Shana Rapoport
  • (213) 576-6763
  • Aug 7, 2014
  • 9025R12-007MultipleBacteriaReconsideration of Certain Technical Matters... more
  • Man Voong
  • (213) 576-6690
  • Jul 2, 2014
  • 9126R12-008Ballona CreekBacteriaReconsideration of Certain Technical Matters... more
  • Kangshi Wang
  • (213) 576-6780
  • Jul 2, 2014
  • 9227R12-009Malibu CreekBacteriaReconsideration of Certain Technical Matters... more
  • Kangshi Wang
  • (213) 576-6780
  • Jul 2, 2014
  • 69282008-012Santa Clara RiverChlorideReconsideration of the Upper Santa Clara... more
  • Celine Gallon
  • (213) 576-6784
  • Aug 6, 2013
  • 7329R12-011Ventura RiverAlgaeVentura River Algae TMDL
  • Jenny Newman
  • (213) 576-6691
  • Jun 28, 2013
  • 6630R11-008Dominguez ChannelMultipleLos Angeles and Long Beach Harbors Toxic and... more
  • Thanhloan Nguyen
  • (213) 576-6689
  • Mar 23, 2012
  • 8031R10-007Los Angeles RiverBacteriaLos Angeles River Bacteria TMDL
  • Man Voong
  • (213) 576-6690
  • Mar 23, 2012
  • 7832R10-006Santa Clara RiverBacteriaSanta Clara River Bacteria TMDL
  • Celine Gallon
  • (213) 576-6784
  • Mar 21, 2012
  • 7233R10-010Santa Monica BayDebrisSanta Monica Bay Nearshore Debris TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Mar 20, 2012
  • 7934R10-008Dominguez ChannelToxicsMachado Lake Toxics TMDL
  • Jenny Newman
  • (213) 576-6691
  • Mar 20, 2012
  • 7735R10-003Los Angeles RiverMetalsReconsideration of Los Angeles River Metals... more
  • Jenny Newman
  • (213) 576-6691
  • Nov 3, 2011
  • 6536R09-005LA Co. Coastal StreamsMultipleColorado Lagoon Pesticides, PAH's, PCB,... more
  • Thanhloan Nguyen
  • (213) 576-6689
  • Jul 28, 2011
  • 7637R09-006Misc Ventura CoastalMultipleMcGrath Lake PCBs, Pesticides and Sediment... more
  • Jenny Newman
  • (213) 576-6691
  • Jun 30, 2011
  • 8538NAMalibu CreekMultipleMalibu Creek Nutrient and Bacteria TMDL
  • Nov 29, 2010
  • 8439NALos Cerritos Channel and Alamitos Bay WMAMetalsLos Cerritos Channel TMDL for Metals
  • Nov 29, 2010
  • 8740NASan Gabriel RiverMetalsSan Gabriel River Metals TMDL
  • Nov 29, 2010
  • 63412008-007Malibu CreekTrashMalibu Creek Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Jul 7, 2009
  • 64422008-006Dominguez ChannelNutrientsMachado Lake Nutrient TMDL
  • Jenny Newman
  • (213) 576-6691
  • Mar 11, 2009
  • 58432007-017Misc Ventura CoastalBacteriaHarbor Beaches of Ventura County Bacteria... more
  • Man Voong
  • (213) 576-6690
  • Dec 18, 2008
  • 57442007-016Calleguas CreekSaltsCalleguas Creek Watershed Salts TMDL
  • Thanhloan Nguyen
  • (213) 576-6689
  • Dec 2, 2008
  • 5945R2007-014Los Angeles RiverMetalsLos Angeles Metals TMDL
  • Jenny Newman
  • (213) 576-6691
  • Oct 31, 2008
  • 60462007-015Ballona CreekMetalsBallona Creek Metals TMDL
  • Jenny Newman
  • (213) 576-6691
  • Oct 31, 2008
  • 68472008-009Calleguas CreekNutrientsRevision of WLAs for Calleguas Creek... more
  • Thanhloan Nguyen
  • (213) 576-6689
  • Sep 29, 2008
  • 5048R07-012Los Angeles RiverTrashTrash TMDL for the Los Angeles River... more
  • Alexander Prescott
  • (213) 576-6804
  • Sep 3, 2008
  • 47492006-016Santa Clara RiverSaltsUpper Santa Clara River Chloride TMDL... more
  • Celine Gallon
  • (213) 576-6784
  • Jun 12, 2008
  • 45502006-011Ballona CreekBacteriaBallona Creek, Ballona Estuary, and... more
  • Man Voong
  • (213) 576-6690
  • May 8, 2008
  • 56512007-010Los Angeles RiverTrashLegg Lake Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Mar 18, 2008
  • 52522007-009Santa Clara RiverTrashLake Elizabeth, Munz Lake, Lake Hughes Trash... more
  • Alexander Prescott
  • (213) 576-6804
  • Mar 6, 2008
  • 53532007-007Calleguas CreekTrashRevolon Slough & Beardsley Wash Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Mar 6, 2008
  • 54542007-008Ventura RiverTrashVentura River Estuary Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Mar 6, 2008
  • 55552007-006Dominguez ChannelTrashMachado Lake Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Mar 6, 2008
  • 44562006-012Calleguas CreekMetalsCalleguas Creek Watershed Metals TMDL
  • Thanhloan Nguyen
  • (213) 576-6689
  • Mar 26, 2007
  • 29572005-008Ballona CreekToxicsBallona Creek Estuary Toxic Pollutants
  • Man Voong
  • (213) 576-6690
  • Nov 11, 2006
  • 49582006-013Los Angeles RiverTrashProposed Resolution to set aside the Los... more
  • Alexander Prescott
  • (213) 576-6804
  • Jul 17, 2006
  • 39592006-005Santa Monica BayBacteriaSanta Monica Bay Beaches Wet Weather... more
  • Man Voong
  • (213) 576-6690
  • Apr 6, 2006
  • 40602006-006Santa Monica BayBacteriaSanta Monica Bay Beaches Wet Weather... more
  • Man Voong
  • (213) 576-6690
  • Apr 6, 2006
  • 41612006-007Santa Monica BayBacteriaSanta Monica Bay Beaches Wet Weather... more
  • Renee Purdy
  • (213) 576-6622
  • Apr 6, 2006
  • 42622006-008Santa Monica BayBacteriaSanta Monica Bay Beaches Wet Weather... more
  • Man Voong
  • (213) 576-6690
  • Apr 6, 2006
  • 43632006-009Marina del ReyBacteriaMarina del Rey Harbor Mothers' Beach and... more
  • Man Voong
  • (213) 576-6690
  • Apr 6, 2006
  • 30642005-009Calleguas CreekToxicityCalleguas Creek Toxicity TMDL
  • Kangshi Wang
  • (213) 576-6780
  • Mar 24, 2006
  • 31652005-010Calleguas CreekToxicsCalleguas Creek OC Pesticides & PCBs TMDL
  • Thanhloan Nguyen
  • (213) 576-6689
  • Mar 24, 2006
  • 32662005-012Marina del ReyToxicsMarina del Rey Harbor Toxics TMDL
  • Shana Rapoport
  • (213) 576-6763
  • Mar 22, 2006
  • 23672004-019RMalibu CreekBacteriaMalibu Creek Bacteria TMDL
  • Theresa L. Rodgers
  • (213) 576-6789
  • Jan 24, 2006
  • 12682004-004Santa Clara RiverSaltsUpper Santa Clara River Chloride TMDL
  • Celine Gallon
  • (213) 576-6784
  • May 4, 2005
  • 22692004-011Los Angeles HarborBacteriaLos Angeles Harbor Bacteria TMDL
  • L. B. Nye
  • (213) 576-6785
  • Mar 10, 2005
  • 25702004-023Ballona CreekTrashBallona Creek Trash TMDL-Revision
  • Alexander Prescott
  • (213) 576-6804
  • Feb 8, 2005
  • 16712003-009Los Angeles RiverNutrientsLos Angeles River Nutrients TMDL
  • Thanhloan Nguyen
  • (213) 576-6689
  • Mar 23, 2004
  • 18722003-011Santa Clara RiverNutrientsSanta Clara River Nutrients TMDL
  • Celine Gallon
  • (213) 576-6784
  • Mar 23, 2004
  • 21732003-016Los Angeles RiverNutrientsLos Angeles River Nutrient TMDL (Revision of... more
  • Thanhloan Nguyen
  • (213) 576-6689
  • Mar 23, 2004
  • 19742003-012Marina del ReyBacteriaMarina del Rey Back Basins Bacteria TMDL
  • Man Voong
  • (213) 576-6690
  • Mar 18, 2004
  • 8375R4-2003-0065MultipleSanta Clara River Estuary Beach/Sufers'... more
  • Nov 28, 2003
  • 11762002-017Calleguas CreekNutrientsCalleguas Creek Nitrogen TMDL
  • Thanhloan Nguyen
  • (213) 576-6689
  • Jul 16, 2003
  • 9772002-004Santa Monica BayBacteriaSanta Monica Bay Beaches Dry Weather... more
  • Man Voong
  • (213) 576-6690
  • Jul 15, 2003
  • 14782002-022Santa Monica BayBacteriaSanta Monica Bay Beaches Wet Weather... more
  • Man Voong
  • (213) 576-6690
  • Jul 15, 2003
  • 8679NASanta Clara RiverChlorideTMDL for Chloride in the Santa Clara River,... more
  • Jun 18, 2003
  • 680R01-013Los Angeles RiverTrashLos Angeles River Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Aug 28, 2002
  • 7812001-014Ballona CreekTrashBallona Creek Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Aug 28, 2002
  • 4822000-010San Gabriel RiverTrashSan Gabriel East Fork Trash TMDL (Revision... more
  • Alexander Prescott
  • (213) 576-6804
  • Apr 17, 2001
  • 70831999-015San Gabriel RiverTrashSan Gabriel East Fork Trash TMDL
  • Alexander Prescott
  • (213) 576-6804
  • Apr 17, 2001