First Los Angeles Aqueduct
Year Completed	1913
Construction Duration	5 years
Aqueduct Capacity	485 cfs
Construction Cost (1913)	$23 million
Total Length of Aqueduct	233 miles
Unlined Open Channel	24 miles
Lined Open Channels	37 miles
Concrete Conduit	97 miles
Lined Tunnels	43 miles
Steel and Concrete Pipe	12 miles
Reservoirs	8 miles
Haiwee Bypass	2 miles
Power Tunnels and Waterways	10 miles

Second Los Angeles Aqueduct
Year Completed	1970
Construction Duration	5 years
Aqueduct Capacity	290 cfs
Construction Cost	$89 million
Total Length of Aqueduct	137 miles
Total Length of Concrete Conduit	64 miles
Total Length of Steel Pipelines	69 miles
Other Facilities	4 miles