gptkbp:instanceOf
|
dam
|
gptkbp:built
|
1970
|
gptkbp:capacity
|
30,000 acre-feet
|
gptkbp:community_involvement
|
local stakeholder meetings
|
gptkbp:construction_cost
|
$5 million
|
gptkbp:constructionMaterial
|
reinforced concrete
|
gptkbp:emergencyServices
|
conducted regularly
in place
flood response planning
|
gptkbp:environmental_impact
|
wildlife habitat preservation
affected by drought conditions
|
gptkbp:floors
|
1,200 acres
|
gptkbp:geologicalFeatures
|
designed for seismic stability
|
gptkbp:height
|
20 feet
1,200 feet
90 feet
|
gptkbp:historical_significance
|
part of flood control system
|
gptkbp:historicalEvent
|
significant floods in 1938
|
https://www.w3.org/2000/01/rdf-schema#label
|
Cogswell Dam
|
gptkbp:is_monitored_by
|
installed for safety
|
gptkbp:land_use
|
surrounding area managed for conservation.
|
gptkbp:lighting
|
gptkb:San_Gabriel_Valley
|
gptkbp:location
|
gptkb:California
|
gptkbp:maintenance
|
gptkb:Los_Angeles_County_Department_of_Public_Works
|
gptkbp:owner
|
gptkb:United_States_Forest_Service
|
gptkbp:parks
|
gptkb:Angeles_National_Forest
|
gptkbp:primaryFunction
|
water supply
|
gptkbp:provides_access_to
|
limited access areas
|
gptkbp:publicAccess
|
public workshops on safety
|
gptkbp:purpose
|
flood control
|
gptkbp:recreation
|
fishing
hiking
boating
camping
|
gptkbp:regulatoryCompliance
|
gptkb:California_Department_of_Water_Resources
|
gptkbp:reservoir
|
gptkb:Cogswell_Reservoir
|
gptkbp:river
|
gptkb:San_Gabriel_River
|
gptkbp:spillwayType
|
gated spillway
uncontrolled spillway
|
gptkbp:type
|
conducted annually
concrete gravity dam
high hazard dam
|
gptkbp:waterManagement
|
gptkb:San_Gabriel_River_watershed
controlled by gates
promotes water storage
|
gptkbp:waterQuality
|
monitored regularly
|
gptkbp:waterSource
|
regulated by state law
|