Work crews are reforming the 59-year-old underground Myrtle Street Reservoir to place a concrete cover over the drinking water to discourage terrorists and keep the water cleaner.
The new lid will be covered with soil and grass and the area around the reservoir, which has long been fenced off, will be opened for public use.
Work is expected to continue until next year on the $6.3 million project.
A similar lid also is planned for the much bigger West Seattle Reservoir in Westcrest Park.
Surprisingly, both reservoirs will end up considerably smal