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Upper Laguna Creek Upper Laguna Creek Planning ProcessPlanning Process
Upper Laguna Creek Upper Laguna Creek Planning ProcessPlanning Process
ULCC MissionULCC Mission
To collaborate in theTo collaborate in the
design of a multi-usedesign of a multi-use
corridor along Uppercorridor along Upper
Laguna CreekLaguna Creek
The Vision: The Vision: The Laguna Creek Regional ParkwayThe Laguna Creek Regional Parkway
Broad ParticipationBroad Participation
Planning departmentsPlanning departments Public works agenciesPublic works agencies Park districtsPark districts Regulatory agenciesRegulatory agencies Environmental advocatesEnvironmental advocates ResidentsResidents Landowners/DevelopersLandowners/Developers
Benefits of a Coordinated Benefits of a Coordinated Watershed ApproachWatershed Approach
Avoids inter-project conflictsAvoids inter-project conflicts Reduces duplication of effortReduces duplication of effort Avoids late-stage redesigns and delaysAvoids late-stage redesigns and delays Provides space for future infrastructureProvides space for future infrastructure Streamlines environmental permittingStreamlines environmental permitting Conserves riparian habitat and connects Conserves riparian habitat and connects
multiple preservesmultiple preserves
Upper Laguna Creek CorridorUpper Laguna Creek CorridorSample SectionSample Section
Trails and Bridges
Trails and Bridges
Vernal Pool Preserves
Vernal Pool Preserves
RiparianHabitat
Corridor
RiparianHabitat
Corridor
Corridor for Future
Infrastructure
Corridor for Future
Infrastructure
Interceptor Sewer
Interceptor Sewer
Stormwater Treatment/
Flood Control Facilities
Stormwater Treatment/
Flood Control Facilities
Corridor Elements
Corridor Elements
Stormwater Management Stormwater Management GoalsGoals
Manage RunoffManage RunoffPre = PostPre = Post
Goal: Match the pre-development Goal: Match the pre-development hydrographhydrograph
How?How?
Hydrogeomorphic ModelHydrogeomorphic Model
1.1. Assess existing conditionsAssess existing conditions2.2. Project future impacts Project future impacts 3.3. Set performance standards Set performance standards 4.4. Identify management strategiesIdentify management strategies
Decrease impervious surface areaDecrease impervious surface area Promote retention & infiltration (on-site and off-Promote retention & infiltration (on-site and off-
site)site) Use flow duration controls to meter flows to creekUse flow duration controls to meter flows to creek
High-value Resource AreaHigh-value Resource Area
Flow Flow Duration Duration Control Control BasinBasin
Urban Urban RunoffRunoff
Laguna Laguna CreekCreek
FDC FDC BasinBasin
Bio-infiltration SwaleBio-infiltration Swale
LIDLID
Integrating LID & flow-duration Integrating LID & flow-duration control strategiescontrol strategies
On-Site BMPsOn-Site BMPs
LIDLID
On-Site BMPsOn-Site BMPs
On-Site BMPsOn-Site BMPs
WetlandsWetlands
Urban Urban RunoffRunoff
Urban Urban RunoffRunoff
Off-Site BMPsOff-Site BMPs
WetlandsWetlands
Facilitating the Paradigm ShiftFacilitating the Paradigm Shift
Support collaboration & info sharingSupport collaboration & info sharing Create incentivesCreate incentives Use pilot project to demonstrate approachUse pilot project to demonstrate approach Assist practitioners with their projectsAssist practitioners with their projects Evaluate economics: cost/benefit analysisEvaluate economics: cost/benefit analysis Contribute to solution-oriented permitsContribute to solution-oriented permits