As the Hetch Hetchy reservoir got built 100 years ago to supply water to San Francisco, so did a 19-mile water tunnel that’s now undergoing urgent repairs.
Mountain Tunnel is just one stop along our water’s 250-mile journey from the Sierra to the Bay Area, but it’s a key portal for The City’s water supply regulating flows for our drinking water and hydroelectric power.
The Department of Public Works and Highways (DPWH) is full speed ahead in the on-going 2.3-kilometer mountain road tunnel at the central portion of Davao City