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The High Plains Aquifer (HPA), sometimes known in Nebraska as the Ogallala Aquifer, is an enormous resource underlying 112 million acres across parts of eight states, from South Dakota to Texas. ... We have examined groundwater dynamics at the aquifer level by estimating county-level impacts of irrigation and weather on aquifer levels, across ...Ogallala aquifer—and the region it enhances. Underlying 175,000 square miles across eight states, this aquifer drives agricultural productivity and identity. The Ogallala aquifer region hosts diverse landscapes and ecosystems that are sensitive to human impacts. The aquifer currently supports nearly 30% of U.S. irrigated crops and livestock. In the more humid areas, such as eastern and central Nebraska and south of Lubbock, water levels have risen since 1980. Environmental controversies. In the 21st ...Feb 21, 2017 · Water-level changes from predevelopment to 2015, by well, ranged from a rise of 84 feet to a decline of 234 feet. Area-weighted, average water-level changes from. Predevelopment to 2015 was a decline of 15.8 feet. From 2013 to 2015 was a decline of 0.6 feet. Recoverable water in storage in the aquifer in 2015 was about 2.91 billion acre-feet. Ogallala Aquifer Great Plains stream fish Sharpnose and Smalleye shiner Brazos River Texas Natural flow regime alterationIn some parts of Wallace County, aquifer levels fell 7 feet in just the past year. That’s 7 feet closer to running dry. Statewide water levels fell by an average of nearly 2 feet this year ...The Ogallala Aquifer has long been unable to keep up with these agricultural demands, as the aquifer recharges far slower than water is withdrawn. … At the state level, the focus has been on maintaining an orderly depletion of the aquifer rather than developing a plan for sustainable use.That’s what’s happening right now in western Kansas where some farmers aren’t able to get enough water for their crops from wells fed by the Ogallala Aquifer, which underlies portions of eight states, stretching for nearly 175,000 square miles from South Dakota to Texas. It’s part of the High Plains Aquifer system that sits below one of ...Aquifer Code 121OGLL - Ogallala Formation Aquifer Ogallala Aquifer Pick Method Land Surface Elevation (feet above sea level) 2840 Land Surface Elevation Method Interpolated From Topo Map Well Depth (feet below land surface) 177 Well Depth Source Driller's Log Drilling Start Date Drilling End Date 7/8/1967 Drilling Method Cable ToolReal-time groundwater-level data; Our Studies; News. link. August 11, 2023. USGS hydrologic study to use non-toxic green dye in Lake Fork Creek link. July 31, 2023. MEDIA ALERT: One of Colorado’s deadliest natural disasters on record began 47 years ago today link. October 27, 2022.The Ogallala aquifer is the largest aquifer in the United States, stretching about 174,000 square miles (450,000 square kilometers). The Ogallala aquifer is the principal source of irrigation water for eight U.S. states. Intensive agricultural irrigation is draining the Ogallala aquifer faster than rainfall can recharge it.Farmers are making up for the lack of rainfall by pumping groundwater up from the Ogallala Aquifer, ... Additionally, cancer rates among 20- to 34-year-olds in these countries are at their highest level in 30 years. Researchers don't know why this is happening, but if you follow this newsletter, you already know that there are a multitude of ...17 May 2023 ... Threat level: The water levels in the Ogallala Aquifer — one of the world's largest fresh groundwater sources — are already plummeting, per KMUW ...The Ogallala Aquifer is the largest aquifer in the United States. It occupies an area of 174,000 square miles, spreading across 8 American Great Plains States, according to the US Geological Survey. These states are Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. The aquifer occupies 11 percent of Texas ...Map of the Ogallala Aquifer. Lubbock, Texas, the Hub City of the South Plains, sits atop the southern range of the Ogallala Aquifer. Thanks to this massive natural formation, in this part of the world, cotton is king because center-pivot irrigation lapping up the fossil water of the Ogallala Aquifer has made these sunny grasslands highly productive.The Ogallala Aquifer is the largest aquifer in the United States and is a major aquifer of Texas underlying much of the High Plains region. ... Saturated thickness, groundwater volumes, and water level maps for the Ogallala Aquifer in Region A: GR05-012: 4/8/2005: GAM run: Various pumping scenarios for the Ogallala Aquifer in …Water-level changes in the High Plains aquifer, predevelopment to 2015. Click on image for larger version. Water-level changes: A rise of 84 ft in Nebraska to a decline of 234 ft in Texas. Declines of 5 ft or more in about 36 percent of the aquifer area. Rises of 5 ft or more in about 8 percent of the aquifer area.The Ogallala is an unconfined aquifer, and virtually all recharge comes from rainwater and snowmelt. …. In a few areas, recharge from surface water diversions has occurred. Groundwater does flow through the High Plains Aquifer, but at an average rate of only 300 millimeters (12 inches) per day.Groundwater depletion, a term often defined as long-term water-level declines caused by sustained groundwater pumping, is a key issue associated with groundwater use. Many areas of the United States …Sandra Postel wrote here last month that the Ogallala Aquifer water level in the Texas Panhandle has dropped by up to 15 feet in the past decade, with more than three-quarters of that loss having ...

Jun 24, 2023 · The Ogallala Aquifer is buried deep throughout the High Plains. The water flowing underneath is as good as gold for farmers in the region, serving as a lifeline in years when the drought and Texas ... The Ogallala aquifer is the largest aquifer in the United States, stretching about 174,000 square miles (450,000 square kilometers). The Ogallala aquifer is the principal source of irrigation water for eight U.S. states. Intensive agricultural irrigation is draining the Ogallala aquifer faster than rainfall can recharge it. In 2015, total recoverable water in storage in the aquifer was about 2.91 billion acre-feet, which is an overall decline of about 273.2 million acre-feet, or 9 percent, since predevelopment. Average area-weighted water-level change in the aquifer was a decline of 15.8 feet from predevelopment to 2015 and a decline of 0.6 feet from 2013 to 2015.Annual ground-water withdrawals from the High Plains aquifer for irrigation, which is compiled about every 5 years by the U.S. Geological Survey and agencies in each State, increased from 4 to 19 million acre-feet from 1949 to 1974; from 1980 to 2000, ground-water withdrawals for irrigation have varied from 2 to 18 percent of 1974 withdrawals .The Ogallala Aquifer, or High Plains Aquifer, is a vast yet shallow aquifer located beneath the Great Plains in the United States. One of the world's largest aquifers, it lies under about 174,000 mi² (450,000 km²) in portions of South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas. It was named in 1899 by N.H. Darton from …

If you have paid into Social Security, you should think about how much you are going to receive when you retire. However, if you are going to retire early and have other money coming in from a pension or investments, you should ask yourself...Local aquifer (by name)-- For groundwater sites, you can also select the local aquifer that the wells are completed in Local aquifer: Not all groundwater sites have been associated with a local aquifer. Such sites will not be retrieved using this search criteria.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Oct 9, 2023 · In most areas, new water isn’t taking the plac. Possible cause: Fourth National Climate Assessment. McGuire, V.L. (2017). Water-level and.