Atmospheric rivers are long, narrow corridors of concentrated water vapor in the atmosphere. When these systems make landfall, they can deliver immense rainfall and snow over a short period.

A ban on watering lawns has been issued in the Des Moines metro area for the first time to avoid a potential water crisis due to high concentrations of nitrates in local rivers. Last week, the ...

But the officials declined to explain what they believe has caused the surge in nitrate levels, which has historically been tied to runoff from farmland draining into Des Moines-area rivers. The ...

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The water levels declined throughout the summer months during the past two years before rising in the fall. In 2022, Lake Shasta hit critically low levels when it dropped to just 40 percent capacity.

Last week, the Central Iowa Water Works banned about 600,000 commercial and residential customers from watering lawns as near-record levels of nitrates in the Des Moines and Raccoon rivers ...

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