by Devin Fehely

MORGAN HILL (KPIX) — The Santa Clara Valley Water District has been trying to lower water levels at the dam. Engineering studies have revealed the structure may not be strong enough to withstand a major earthquake exceeding magnitude 7.2.

Anderson Reservoir

State and federal regulators have ordered the water district to cap storage at 68 percent, about 62,000 acre-feet of water.

Anderson Reservoir

Anderson Reservoir. (CBS)

The water district estimates it could be a month or two before they’re able to lower the reservoir to a safe level — if Mother Nature cooperates.