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Home My WebLink AboutSS4 - PowerPoint Presentation07/31/2009 Harbor Area Management Plan City of Newport Beach HARBOR AREA MANAGEMENT PLAN To provide the city with a Resource Management Objective Tool to assist in balancing the economic, social, and environmental issues in the Lower Newport Bay (Newport Harbor). includes balancing the ronmental needs of the with the day -today ^ation, maintenance recreational act,t,' HARBOR AREA MANAGUkIENT PLAN Scope • Resource Management Tool • Integrated Solutions —Cost Savings& Return un Investment Integrate and Balance Beneficial Uses • Allow City to Move Forward with Key Projects in a Cost Effective Manner • Sediment Management • Restoration • Public Use • Water Quality • Focus on Lower Newport Say • Linkages to Upper Bay Projects Planning Tool for "Waterside" • LCP is "Landside "Tool HARBOR ARFA MANAGEMENT 07/31/2009 2 Benefits of HAMP • Previous Plans Focused Only on a Single or Small Set of Projects HAMP Provides Linkages to Projects Assessment of Projects Using Equally Weighted End Goals • Previous Plans Did Not Use This Holistic Approach HAMP is Not a Recipe for Project Implementation but Guide for Planning Prioritization Tool • Management Framework for Future State and Federal Grant Applications f- IARBOR AREA MANAGEMENT 07/31/2009 3 CHALLENGES • Dredging Requirements & Contaminated Sediment Management Eelgrass Capacity 8 Management Tools Beach Replenishment Strategy • Water Quality • Harbor Channel & Redhead Lines • Hydrodynamic &Water Quality Numerical Modeling • Regional General Permits Upper Bay Sediment Control Upper Bay Newport Bay Restoration 8 Management Challenges The development of the HAMP requires coordinating MULTIPLE PROGRAMS and addressing MULTIPLE CHALLENGES to achieving overall goals. HAP BOP AREAJ\IANAvCV1f:.\ i' M 1) Dredging Requirements & Contaminated Sediment Management • Sedimentation in Lower Newport Bay has resulted in the narrowing and shoaling of channels. • Basins in Upper Bay are effective but sedimentation from storm events remains a challenge. • Dredging of contaminated sediment increases maintenance cost �• N •p +f HARBORAREA NIANACENIENT P " 07/31/2009 0 1) Dredging Requirements & Contaminated Sediment Management I MSaM ran A� Potential Sediment Management Alternatives HARRORAREA MANAGEMENT 1) Dredging Requirements & Contaminated Sediment Management POTENTIAL STEPS FORVNARD +.�.t�• Phase 1 - Near -Term Solution for Management of Dredged O Materials and Maintenance of Navigational Depths Sediment Management Plan —1 year (ongoing) • MPRSA Tier III Evaluation —6 months • Master Dredging Plan and Schedule —6 months _ Phase Z - Long -Term Solution Management of Dredged Materials and Maintenance of Navigational Depths • Sediment Transport Study — g months Sustainability Plan for Maintenance of Harbor Channels - 6 months HARBOR AREA MANAGEh1ENT PLAN 07/31/2009 5 2) Eelgrass Capacity & Management Tools = sv -Eelgrass is protected under NEPA & CEQA -Eelgrass serves an important ecological resource within Lower Newport Harbor -Often conflicts with other beneficial harbor uses - guest and residential boating and navigation. I:;] HARBOR AREA MANAGEMENT 2) Eelgrass Capacity & Management Tools 07/31/2009 A 07/31/2009 2) Eelgrass Capacity & Management Tools POTENTIAL EELCW5 SU5TAINABILITY LOCATION Eelgrass Management Plan • Maintain Base Amount of 20 Acres • Implement Programs to Maintain and Establish Sustainable Populations • Improve Water Quality • Decrease Sediment Load • Reduce Shading by Docks and Piers HARBOR AREA MANAGEMENT PLAN 2) Eelgrass Capacity & - -- Management Tools POTENTIAL5TEP5 FORWARD • Identify Future Needs •...,: ". O • Develop Draft Eelgrass Management Plan — (opposed to incremental basis) • Negotiate Final Stable Eelgrass Zone Management Plan with Agencies • Implement Management Plan * -,.. Incorporate Management Plan into RGP • Assess Program .m p HARBOR AREA ,NANAGEMENT PLAIN J 3) Beach Replenishment Strategy .. r-A uses and nee ds of the 30 beaches along .0 r Newport Bay vary. rmal system is needed to prioritize and ge replenishment projects and beneficial dredged ses of material. 9 HARBOR AREA MANAGEMENT 3) Beach Replenishment Strategy ,:.w • Development of Centralized Management Program ..:.•., Benefits: • More Cost Effective use of dredged materials • Linkage to eelgrass management reduces restrictions and RGP streamlining • Priontization can more efficiently achieve goals HARBOR AREA NIANAGE:ti1ENTP 07/31/2009 3 -- •:u� -1t`� �oA ,:.w • Development of Centralized Management Program ..:.•., Benefits: • More Cost Effective use of dredged materials • Linkage to eelgrass management reduces restrictions and RGP streamlining • Priontization can more efficiently achieve goals HARBOR AREA NIANAGE:ti1ENTP 07/31/2009 3 6) Water Quality �'r•i►- 4---m. �a 4A.LA :. � � s Understand the extent and sources of water quality impacts to Lower Newport Bay IMF- -- •Development of a strategy to cost effectively implement Best Management Practices to meet Total Maximum Daily Loads (TMDLS) •Protect harbor and coastal " -_•-'. ecosystems including Areas of -'� Biological Significance BS) HARBOR AREA MANAGEMENT P E a 07/31/2009 9 6) Water Quality ,.r POTENTIAL STEPS FORWARD �: M1:Ftp6 Rqo. ..r O O ■ Potential Water Quality Projects • Copper Source Identification and Pilot Reduction Program 0 • Water Quality Enforcement Cross Training Program • Boaters Water Quality Education Program C • Short-Term Slip Rental Education and Inspection • Municipal Low Impact Development Pilot — Meri O Park HARBOR AREA kIANAGENIENT 07/31/2009 10 6) Water Quality U. aw a.m v. yxn .:artd 4rwlr: w� Harbor Area Water M �� =Z Quality BMP Identification and Prioritization e.Fu .. .• to 4 d6'�� M'Pliq Y B W ::: HARBOR AREA h1ANAGEMENT P 6) Water Quality ,.r POTENTIAL STEPS FORWARD �: M1:Ftp6 Rqo. ..r O O ■ Potential Water Quality Projects • Copper Source Identification and Pilot Reduction Program 0 • Water Quality Enforcement Cross Training Program • Boaters Water Quality Education Program C • Short-Term Slip Rental Education and Inspection • Municipal Low Impact Development Pilot — Meri O Park HARBOR AREA kIANAGENIENT 07/31/2009 10 4) Harbor Channel & Pierhead Lines I M 6 t The design and use of Newport Bay has been 1 altered extensively The harbor lines have not been systematically adjusted since their original development in 1936. FIARBORAREA MANAGEMENT 4) Harbor Channel & Pierhead Lines Lv x 0. Basins and Islands built since lines established Type and size of vessels changed Regulation has changed HARBOR AREA h1ANAGEMENT P 07/31/2009 11 4) Harbor Channel & Pierhead - Lines HARBOR AREA,MANAGE:V! NT 7) Hydrodynamic & Water Quality Numerical Modeling Flrcsltlng rwrr 5ralr tin Angst -Purpose of a numerical model is a management decision - making tool -Addresses water quality issues and sediment transport in the Bay -Evaluate proposed 8MP strategies -Assess future dredging and beach replenishment needs LI OVERVIEW HARBOR AREA MANAGEMENT 07/31/2009 12 POTENTIAL STEPS =_ - .m. O Ell qa.. (3 w.n SoOt 5901: {V{'♦ jVl i. ID • Develop and Implement Line Adjustment Plan Benefits: O • Improve clarity and consistency •• • Allow pier owners access to deeper waters _ Bring harbor structures in compliance • Issues: `" • 0 Changes need to min. encroachment • Requires USACE approval Impact to eelgrass O __.'NP`s. • Maintenance dredging responsibility t HARBOR AREA,MANAGE:V! NT 7) Hydrodynamic & Water Quality Numerical Modeling Flrcsltlng rwrr 5ralr tin Angst -Purpose of a numerical model is a management decision - making tool -Addresses water quality issues and sediment transport in the Bay -Evaluate proposed 8MP strategies -Assess future dredging and beach replenishment needs LI OVERVIEW HARBOR AREA MANAGEMENT 07/31/2009 12 7) Hydrodynamic & Water Quality Numerical Modeling HARBOR AREA MANAGEMENT 7) Hydrodynamic & Water Quality Numerical Modeling POTEX7 =;TEPS F-2 'III PP 2008 2LV9 2010 1 201' 2012 =_mm,ttdco m rwa+ a� 53ot: s�aor. • Development and Implementation of Model Benefits • provides tool to evaluate impact and potential solutions of fine sediments not captured by basins " "•'m "' O • Tools to assess best location for migrate mitigation banking site ., • Tools to enable long -term dredging needs 0 Issues • Modeling requires additional field data collection r • Funding of effort HARBOR AREA hANAGEMENT 07/31 /2009 13 5) Regional General Permits OVERVIEW -Regional General Permit 54 (RGP 54) issued by USACE and managed by the City (Newport Beach Harbor Resources Division) -Renewal process needs to be streamlined to reduce costs and delays -Special conditions prevent minor maintenance HARBOR AREA MANAGEMENT 5) Regional General Permits 07/31/2009 14 POTENTI� L TEP FCh. \, ,:D .O Potential Negotiation Steps • Modified Eelgrass Conditions C _ �>�• C • More Flexible Coastal Development Permit • RGP Conditions v..x.y Benefits • Streamline Process O Greater Beneficial Use of Materials • Reduce Time Constraints for Maintenance . Issues ...,, `,....•; O • Regulatory Approval HARBOR AREA MANAG� V 07/31/2009 14 8) Sea Level Rise and Flood Control Management OVERVIEW -Historical measurements indicate a steady increase in sea levels -Increased risk of near shore flooding with high tide events -Flood monitoring is needed to assess potential and develop 4 �,N�` — recommendations HARBOR AREA 8) Sea Level Rise aid Flood Control Management HARBOR AREA MANAGEMENT PLAN Dtodel Simulations of 9-ft. Tide 07/31/2009 15 _ 8) Sea Level Rise and Flood Control Management R•sv n POTENTIAL STEPS FORb \'ARP �r• •�• -• C� Develop and Implement Flood Modeling and Management Measures Steps . „,., . Coastal Flooding Monitoring Database of Flood Controls �• „.,,r Bulkhead Improvements Polity Flood Risk Managen'ent Plan Benefits Proodesmeasurestoaddressfuture flooding ^^ Coordination oppodunines vnth beneficial use of dredged matenals Coordination win bulkhead replacement mamtenanpe phased approach HARBOR AREA MANAGEMENT PLAN 9) Upper Bay Sediment Control OVERVIEW • Upper Newport Bay Sediment Control Plan - management ofsediment loading from watershed • Establishment of sediment Control basins Controlling fine- grained ment transport from rshed and Upper Bay k HARBOR AREA !MANAGEMENT PL?.N 07/31/2009 16 ® -� n-® �r• •�• -• C� Develop and Implement Flood Modeling and Management Measures Steps . „,., . Coastal Flooding Monitoring Database of Flood Controls �• „.,,r Bulkhead Improvements Polity Flood Risk Managen'ent Plan Benefits Proodesmeasurestoaddressfuture flooding ^^ Coordination oppodunines vnth beneficial use of dredged matenals Coordination win bulkhead replacement mamtenanpe phased approach HARBOR AREA MANAGEMENT PLAN 9) Upper Bay Sediment Control OVERVIEW • Upper Newport Bay Sediment Control Plan - management ofsediment loading from watershed • Establishment of sediment Control basins Controlling fine- grained ment transport from rshed and Upper Bay k HARBOR AREA !MANAGEMENT PL?.N 07/31/2009 16 9) Upper Bay Sediment Control HARBOR AREA MANAG Elements of the Sediment Control Program -Agricultural BMPs -Construction BMPs -Channel Stabilization -In-Channel Basins -Natural Treatment Systems *9) Upper Bay Sediment Control POTENTIAL STEPS FORIh'r; P P HARBOR AREA MANAGEMENT 07/31/2009 17 • Implementation of Sediment Control Plan • Benefits • Long -term od red channel treintenanCa reducBE as setlimant load is reducetl Pollulantloed reduce0 • r �� C Issues • AssessmenlofeffMlvenessof Wvnstomntrdfinegminedsediments Assessment of large stone event loading •...,,w...i M O Measurement of eNectveness Greater coordination In Watershed stakeholders n C HARBOR AREA MANAGEMENT 07/31/2009 17 10) Upper Newport Bay Restoration & Management • Management Plan for the Upper OVERVIEW Newport Bay Ecological Reserve Odom• Framework for implementation and management of restoration activities • Plan is in preliminary phase due to funding constraints -City is moving forward with restoration projects As •Long -term funding HARBOR AREA MANAGEMENT Coneeptual plan for Phase Hof the Big Canyon Creek Restoration Plan HARBOR AREA %IANAGEk1ENTPLAN 07/31/2009 W. 10) Upper Newport Bay Restoration & Management HAP BOR AREA MAN,4 Harbor Area Management Tools Goals: Maintain the beneficial uses of the Lower Newport Bay and economic value of the Bay Provide a practical framework to meet regulatory requirements Support a sustainable estuary ecosystem able to be integrated with upstream sustainable watersheds and adjacent coastal area systems The aim of the development of the HAMP is to guide the City and the Harbor stakeholders in the prioritization and implementation of activities that balance beneficial uses with the long -term sustainability of Newport Bay. HARBOR AREA hIANAGEPIENT PLAN 07/31/2009 19 POTENTIAL STEPS FORWARD xo�x � pa AMCrpei.. t'py a cr, `cW N•s S1i0F: .. O • Develop and Implement Restoration Projects C Benefits • Provide water quality benefits to Lower Bay Upper Bay provides greater opportunities for restoration • Linkages to habitats in Lower Bay and Coastal Areas Issues w.�._••� �•• �:•` Long -Term Funding 5'IVU•M: HAP BOR AREA MAN,4 Harbor Area Management Tools Goals: Maintain the beneficial uses of the Lower Newport Bay and economic value of the Bay Provide a practical framework to meet regulatory requirements Support a sustainable estuary ecosystem able to be integrated with upstream sustainable watersheds and adjacent coastal area systems The aim of the development of the HAMP is to guide the City and the Harbor stakeholders in the prioritization and implementation of activities that balance beneficial uses with the long -term sustainability of Newport Bay. HARBOR AREA hIANAGEPIENT PLAN 07/31/2009 19 Harbor Area Management Tools • Technical Summaries - Challenges, Goals, Potential Steps Forward, Schedule, Costs • Implementation Strategy Schedule - Potential Steps and Linkages • Integrated Project Scoring - Achieves Overall Goal Through Integration • Funding Strategy HARBOR AREA MANAGEMENT 07/31/2009 20 L $100 $7s $40- 601c.yd. F = € y $ $50 S30- 35 1c.yd. a � � � $zs O " g �F $20 d NC $15 0 $10- 12 /cyd. $10� V= _ = 0000000a000 Go C Dredged Mate- Restoration 8ackfiOfor Bulk- Beach Replenish - no! projects heads ment Beneficial Uses y _�ooaoo 0000 ,0000a00000 000 000aoo v �0000000000 ooa000000a u c �00000 0000 a� 0000000000 v �m �v =o E 0 U 07/31/2009 21 $100 $7s $40- 601c.yd. F = € y $ $50 S30- 35 1c.yd. a � � � $zs R " g �F $20 NC $15 0 $10- 12 /cyd. $10� V= _ = 0000000a000 Dredged Mate- Restoration 8ackfiOfor Bulk- Beach Replenish - no! projects heads ment Beneficial Uses _�ooaoo 0000 ,0000a00000 000 000aoo �0000000000 ooa000000a �00000 0000 0000000000 07/31/2009 21 $100 $7s $40- 601c.yd. F = € y $ $50 S30- 35 1c.yd. a � � � $zs R " g �F $20 NC $15 0 $10- 12 /cyd. $10� V= _ $0 Dredged Mate- Restoration 8ackfiOfor Bulk- Beach Replenish - no! projects heads ment Beneficial Uses 07/31/2009 21 one. ci Ir lI � a. J L G �Isa �4tx�r CITY COUNCIL SVPPORTOFHAMP • HAMP Provides a Framework for Future State and Federal Grant Applications • Approval of HAMP by Council Provides Required Local Support for Grant Requests • Support of HAMP Provides for Integration / Holistic Approach that Saves Costs in the Long Term HARBOR AREA MANAGE'NENT 07/31/2009 22