I TEM 21 A – CDP A PPLICATION N UMBER 3-15-0144 Main Beach City of Santa Cruz C ALIFORNIA C OASTAL C OMMISSION C ENTRAL C OAST D ISTRICT S LIDE 1.

SAN LORENZO RIVER INTERIM MANAGEMENT PLANITEM 21A – CDP APPLICATION NUMBER 3-15-0144

Main BeachCity of Santa Cruz

CALIFORNIA COASTAL COMMISSIONCENTRAL COAST DISTRICT SLIDE 1

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PROJECT LOCATION

San Lorenzo River Mouth

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PROJECT BACKGROUNDCoastal processes result in seasonal

lagoon formation in late spring/summer

Supports important habitat, including for listed species

Also results in flooding of public infrastructure and private property

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PROJECT SITE – OPEN CONDITION

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PROJECT SITE – CLOSED CONDITION

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PROJECT DESCRIPTIONTemporary head-driven culvert

Pilot project to assess functionality

Application also seeks to authorize mechanized breaching in interim

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TEMPORARY OUTLET CHANNEL

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TEMPORARY OUTLET CHANNEL

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HEAD-DRIVEN CULVERT

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RECOMMENDATIONApproval with Conditions