California water officials are taking steps to control rising water levels at reservoirs following two atmospheric rivers that brought heavy rain to the region.

Lake Oroville rose around 7 feet over the weekend after an atmospheric river brought a deluge of rain to the region.

These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

Osmoregulation is the control of water levels and mineral salts in the blood. Water levels and mineral salts in the blood are controlled to protect cells by stopping too much water from entering ...

Both reservoirs have been steadily rising since November, after the start of California's water year in October. A series of ...

Osmoregulation is the control of water levels and mineral ions (salt) in the blood. Water levels and mineral ions in the blood are controlled to keep the concentrations the same inside the cells ...

The Army Corps of Engineers moved to release massive quantities of water in Central California, panicking local officials.

South Pleasant Valley Road between Cesar Chavez Street and South Lakeshore Boulevard was closed while crews work to resolve ...

Water levels averaged 4,193.4 in the south arm and ... a philanthropically supported position. The Tribune retains control over all editorial decisions.