They hold about 6 quadrillion gallons ... Great Lakes, is so far north into the colder winter air that even its open waters often develop ice cover later into the winter on an annual basis. Figure 3.

Area residents stand in flooded streets in the Felton Grove neighborhood of Santa Cruz after a powerful storm on California's Central Coast on Jan. 9. (Melina Mara/The Washington Post) ...

one of the largest on the Great Lakes. Thousands of different PFAS compounds have been manufactured since the 1940s. They also far exceed the 70 parts per trillion that the U.S. Environmental ...

MADISON - The levels of "forever chemicals" found in fish harvested from the Great Lakes are much higher than ... water with PFOS at 48 parts per trillion for a month, researchers said.

After at least nine atmospheric rivers in a little more than three weeks dumped more than 30 trillion gallons of water on California, the state’s landscape of deep valleys, tall mountains and ...

That translates to roughly 32 trillion gallons of water in the state between the heavy lowland rains and feet of snow in the Sierra Nevada mountain range and the Siskiyou Mountains that fell since Dec ...

One acre-foot of water, or the amount it takes to fill an acre of space one foot high, is about 326,000 gallons. So that 4 million acre-feet goal would mean about 1.3 trillion gallons. There’s a ...

Most fish samples had concentrations of total PFAS between 1,000 and 10,000 nanograms per kilogram, which is equivalent to 1,000 to 10,000 parts per trillion ... For the Great Lakes, the median ...