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Point Loma in 2008 Continued to Low Wave and Current Activity And/Or Physical Show No Spatial Patterns Relative to the Outfall Disturbance THE CITY OF SAN DIEGO Annual Receiving Waters Monitoring Report for the Point Loma Ocean Outfall 2008 City of San Diego Ocean Monitoring Program Metropolitan Wastewater Department Environmental Monitoring and Technical Services Division THE CITY OF SAN DIEGO June 30, 2009 Mr. John Robertus Executive Officer Regional Water Quality Control Board San Diego Region 9771 Clairemont Mesa Blvd. Suite B San Diego, CA 92124 Attention: POTW Compliance Unit Dear Sir: Enclosed is the 2008 Annual Receiving Waters Monitoring Report for NPDES Permit No. CA0107409, Order No. R9-2002-0025 for the City of San Diego Point Lorna Wastewater Treatment Plant, Point Lorna Ocean Outfall. This report contains data summaries and statistical analyses for the various portions of the ocean monitoring program, including oceanographic conditions, microbiology, sediment characteristics, benthic macrofauna, demersal fish and megabenthic invertebrate communities, and bioaccumulation of contaminants in fish tissues. I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering information, I certify that the information submitted is, to the best ofmy knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. Sincerely, ALAN C. LANGWORTHY Deputy Metropolitan Wastewater Director ACL\ald Enclosures: 1. Annual Receiving Waters Monitoring Report 2. CD containing PDF file of this repo1i cc Depart1nent of Environmental Health, County of San Diego U.S. Environmental Protection Agency, Region 9 Metropolitan Wastewater Department Library, City of San Diego Environmental Monitoring and Technical Services Division • Metropolitan Wastewater 2392 Kincaid Rood • Son Diego, CA 921 01·0811 Tel (619) 758·2300 Fox (619) 758·2309 Annual Receiving Waters Monitoring Report for the Point Loma Ocean Outfall 2008 Prepared by: City of San Diego Ocean Monitoring Program Metropolitan Wastewater Department Environmental Monitoring and Technical Services Division June 2009 Table of Contents Credits ........................................................................................................................................iii Ocean Monitoring Program Staff and Acknowledgements ..................................................iv Executive Summary ...................................................................................................................1 Chapter 1. General Introduction ............................................................................................5 Introduction ..............................................................................................................................5 Background ..............................................................................................................................5 Receiving Waters Monitoring...................................................................................................6 Literature Cited ........................................................................................................................7 Chapter 2. Oceanographic Conditions .................................................................................. 11 Introduction ...........................................................................................................................11 Materials and Methods ..........................................................................................................11 Results and Discussion ..........................................................................................................13 Summary and Conclusions ....................................................................................................19 Literature Cited .....................................................................................................................22 Chapter 3. Microbiology ........................................................................................................25 Introduction ...........................................................................................................................25 Materials and Methods ..........................................................................................................25 Results and Discussion ..........................................................................................................27 Summary and Conclusions ....................................................................................................29 Literature Cited .....................................................................................................................31 Chapter 4. Sediment Characteristics ....................................................................................33 Introduction ...........................................................................................................................33 Materials and Methods ..........................................................................................................34 Results and Discussion ..........................................................................................................35 Summary and Conclusions.....................................................................................................42 Literature Cited .....................................................................................................................43 Chapter 5. Macrobenthic Communities ................................................................................45 Introduction ...........................................................................................................................45 Materials and Methods ..........................................................................................................45 Results and Discussion ..........................................................................................................47 Summary and Conclusions ....................................................................................................55 Literature Cited .....................................................................................................................56 i Table of Contents (continued) Chapter 6. Demersal Fishes and Megabenthic Invertebrates .............................................61 Introduction ...........................................................................................................................61 Materials and Methods ..........................................................................................................61 Results and Discussion...........................................................................................................62 Summary and Conclusions ....................................................................................................70 Literature Cited .....................................................................................................................71 Chapter 7. Bioaccumulation of Contaminants in Fish Tissues ...........................................75 Introduction ...........................................................................................................................75 Materials and Methods ..........................................................................................................75 Results and Discussion ..........................................................................................................77 Summary and Conclusions.....................................................................................................81 Literature Cited .....................................................................................................................82 Glossary ...................................................................................................................................85 Appendices Appendix A: Supporting Data — Oceanographic Conditions Appendix B: Supporting Data — Microbiology Appendix C: Supporting Data — Sediment Characteristics Appendix D: Supporting Data — Macrobenthic Communities Appendix E: Supporting Data — Demersal Fishes and Megabenthic Invertebrates Appendix F: Supporting Data — Bioaccumulation of Contaminants in Fish Tissues How to cite this document: City of San Diego. (2009). Annual Receiving Waters Monitoring Report for the Point Loma Ocean Outfall, 2008. City of San Diego Ocean Monitoring Program, Metropolitan Wastewater Department, Environmental Monitoring and Technical Services Division, San Diego, CA. ii Credits Technical Editors Ami Latker Tim Stebbins Production Editors Nick Haring Andy Davenport Eliza Moore Ami Latker GIS Graphics Maiko Kaysua Dawn Olson Executive Summary Ami Latker Tim Stebbins Chapter 1. General Introduction Tim Stebbins Chapter 2. Oceanographic Conditions Dan Ituarte Ami Latker Chapter 3. Microbiology Andrew Davenport Ami Latker Chapter 4. Sediment Characteristics Eliza Moore Ami Latker Chapter 5. Macrobenthic Communities Nick Haring Tim Stebbins Chapter 6. Demersal Fishes & Megabenthic Invertebrates Robin Gartman Ami Latker Chapter 7. Bioaccumulation of Contaminants
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