August 18, 2016

Considering challenges and constraints within constraints within multiple categories, where is the overlap?

Water Quality

Water Supply

Quality

How can we identify How can we identify opportunities that apply to more than one area of focus?

4

Challenges and

Cattle grazingLow density

Agriculture

Constraints:Low density

regional developmentFertilizers and pesticide/herbicideRoadsWildfires

Water Quality Source:Coliforms and pathogensDBPs/Bromide/TOCTurbidity

Challenges and Turbidity

AlgaeNutrientsGasoline additives and BTEXPerchlorate

Constraints:

Surface:Trash

PerchlorateMIB and geosmin303d listed water bodiesRocket propellants and propulsion systemsTrash

SedimentTemperatureNutrientsDissolved oxygen

propulsion systemsSewage and waste spillsSeptic systemsRecreational activitiesCattle grazingDissolved oxygen

PathogensC g gLow density regional developmentFertilizers and pesticide/herbicidep /RoadsWildfires

DroughtEndangered Species

Water SupplyChallenges and Endangered Species

Permitting RequirementsConstraints on instreamrecharge operations

Constraints:

Imported water availability and reliabilityWater use and demand changesRestricted reservoir storage due to seismic concernsImpervious surfacesUrban and agricultural

ffrunoffClimate change impacts

Map of Coyote Valley with GW, Floodplain and Open Space

Considering challenges and constraints within

Ecological Resources

constraints within multiple categories, where is the overlap?

Landscape Resources

Flood Protection

Resources

How can we id tif Protectionidentify opportunities that apply to more than one area of focus?

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one area of focus?

Flood Protection Needs for flood risk management toolsDevelopment

Challenges and p

increases runoff, flood flows, and erosionConstricted floodplain

limited creek corridor

Constraints:

Transportation infrastructure

– limited creek corridor widthsClimate change –changing rainfall

tt l l iAreas of flood riskAging infrastructureAsset protection

patterns, sea level riseExpense of future projectsIncreasing

Fragmented responsibilitiesUnderstanding and communicating flood

Increasing development, decreasing buffer zonesI i fcommunicating flood

risksImpervious surfaces

Ecological ResourcesClimate changeImpacts to critical

Challenges and

Impacts to critical habitatImpacts to sensitive species

Constraints:

Ongoing land use changes

sensitive speciesGeneral plansRegulatory constraintsg

Altered drainage network and hydrologic regime

constraintsFinancial constraintsP bli t

Habitat fragmentationNon-native species

Public support

p

Landscape Resources Operations and maintenanceTrail placement

Challenges and Trail placement

Planning for future flood protectionCreeks in pipes

Constraints:

Land availabilityPublic support

C ee s p pesDistrict’s guidelines and standards for land use near

Public supportCost of developmentImpacts on habitat

streamsLand use and development pressureImpacts on habitat

and water qualityMaintenance impediments and

pressureInsufficient riparian buffersWildlife corridorsp

costs Wildlife corridors

Another Example