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[10] [11] Lake Mead fell to a level expected to trigger federally mandated cuts to Arizona and Nevada's water supplies for the first time in history. [12] The first quarter of 2022 was the driest on record in California and Nevada. [13] Despite June having slightly above average precipitation in California, the state still had its driest first ...
Another significant drought in the United States occurred during 1988 and 1989. Following a milder drought in the Southeastern United States the year before, this drought spread from the Mid-Atlantic, Southeast, Midwest, Northern Great Plains and Western United States. This drought was widespread, unusually intense and accompanied by heat waves ...
In February 2022, the Bureau of Reclamation released projections for Lake Powell, the second largest artificial reservoir in the United States; the lower range of forecasts would result in a water level by the end of 2022 that would prohibit hydroelectric generation at the Glen Canyon Dam, which provides enough power for 400,000 homes. [26]
Aquifers of the United States are organized by national principal aquifer codes and names assigned by the National Water Information System (NWIS). Aquifers are identified by a geohydrologic unit code (a three-digit number related to the age of the formation) followed by a 4 or 5 character abbreviation for the geologic unit or aquifer name. [10]
The Atlantic Seaboard basin in eastern North America drains to the Atlantic Ocean; the Great Lakes-St. Lawrence basin in central and eastern North America drains to the Gulf of St. Lawrence on the Atlantic Ocean or to the Labrador Sea; the Gulf of Mexico basin in the southern United States drains to the Gulf of Mexico, a basin of the Atlantic ...
Not all waters have had these facts determined, and so are of uncertain status. All water subject to tides are included. Note that the "Navigable Waters of the United States" listed in 33 CFR 329 are different than those listed as "Waters of the United States" in 33 CFR 328, which is the Clean Water Rule. However, all Navigable Waters, plus ...
Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.
Floods in the United States (2000–present) is a list of flood events which were of significant impact to the country during the 21st century, since 2000. Floods are generally caused by excessive rainfall, excessive snowmelt, storm surge from hurricanes , and dam failure.