The high plains aquifer

12201 Sunrise Valley Drive, MS 413. Reston, VA 20192-0002. Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water.

Physical/Cultural Setting. The High Plains aquifer underlies 174,000 mi 2 in parts of eight States—Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming.. The area that overlies the aquifer occupies part of the Great Plains Physiographic Province; the extent of the Great Plains Physiographic Province and High Plains aquifer are shown in the adjacent location map.The High Plains aquifer is one of the largest freshwater aquifers in the world, covering more than 170,000 square miles and extending across parts of eight states from South Dakota to the Texas Panhandle (Sophocleous, 2010). The first regional investigation of the High Plains was conducted by the U.S. Geological Survey at the beginning of the 20th …The Republican River Basin runs through the northern part of the High Plains aquifer system, which is heavily influenced by groundwater withdrawal. We used data from a study by Wen and Chen (2006) that estimated trends in streamflow over the period 1950–2003 for 24 gauging stations spread across the Republican River and its …The High Plains aquifer system, including the Ogallala and Equus Beds, is the 'largest under- ground reservoir in the country' (Kromm and White, 1992, p. 3; ...Oct 5, 2020 · In the US High Plains, which produces more than 50 million tons per year of grain, as much as 90% of irrigation originates from groundwater resources, including the Ogallala aquifer. In parts of the High Plains, groundwater resources are being depleted so rapidly that they are considered nonrenewable, compromising food security. 20 June 2023 ... On the heels of Texas' worst drought in a decade, a report from the High Plains Underground Water Conservation District shows water levels in ...The High Plains Aquifer Rex C. Buchanan, B. Brownie Wilson, Robert R. Buddemeier, and James J. Butler, Jr., Kansas Geological Survey Introduction The High Plains aquifer, which includes the well-known Ogallala aquifer, is the most important water source for much of western and central Kansas (fig.1), supplying 70% to 80% of the water used by ...

The High Plains aquifer model extends from the Arkansas River in Kansas to the Canadian River in Texas. One layer, consisting of 21,073 active cells, was used to represent the aquifer. Model cells are 6,000 feet on a side in the horizontal dimension, giving each cell an area of about 1.3 square miles.Plain folks propaganda is a technique used to portray a person as an ordinary citizen to their audience. This technique is commonly practiced by politicians. In politics, most politicians are wealthy, but they strive to present themselves a...Jun 14, 2022 · Using the pre-defined dividing line between north and south to sum volume trends according to 1° × 1° area mascon blocks, the northern High Plains aquifer has an increasing water volume trend of 2.0 km 3 /year and the southern High Plains aquifer decreases at a rate of 4.7 km 3 /year, giving a net change of −2.7 km 3 /year for the entire ... Furthermore, the lake’s residue’s estimated age is ~1.1 Ga (~3.2 Ga post-peak aquifer drainage during the Late Hesperian), enhancing the prospects for organic …The Northern High Plains aquifer underlies about 93,000 square miles of Colorado, Kansas, Nebraska, South Dakota, and Wyoming and is the largest subregion of the nationally important High Plains aquifer. Irrigation, primarily using groundwater, has supported agricultural production since before 1940, resulting in nearly $50 billion in sales in ... The High Plains aquifer constitutes one of the important aquifers being evaluated. Background The High Plains aquifer underlies an area of about 169,000 square miles, which is populated by about 2 million people in parts of eight western states (Colorado, Kansas, Nebraska, New Mexico, Oklahoma, Texas, South Dakota, and Wyoming).The High Plains aquifer is recharged by the infiltration of precipitation that falls directly on the aquifer. This recharge is estimated to range from 0.024 inch per year in the Southern High Plains of Texas to 2.2 inches per year in Texas County, Okla. and is about 0.1 percent and 12 percent of average annual precipitation, respectively.

The High Plains Water-Level Monitoring Study (HPWLMS) is the USGS response to a directive from Congress to report on water-level changes in the High Plains [Ogallala] aquifer. The directive from Congress was contained in the Water Resources Development Act of 1986 ( Public Law 99-662 ). This law recognized the economic importance of the High ...The High Plains Aquifer (HPA) is the largest aquifer in the US, underlying 174,000 square miles in parts of eight states—Colorado, western Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming (see Fig. 1).The surface area above the aquifer was formed approximately 65 million years ago from the deposition of …Learn about the High Plains aquifer, the principal source of water for one of the major agricultural areas of the United States, that underlies parts of eight states in the …12201 Sunrise Valley Drive, MS 413. Reston, VA 20192-0002. Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water.About 90% of the monitored wells are drilled into the High Plains aquifer. The KGS, based at the University of Kansas, and the Division of Water Resources (DWR) of the Kansas Department of Agriculture measure about 1,400 wells every year to monitor the health of the High Plains aquifer and other aquifers in western and central Kansas.

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One such area is the Ogallala Aquifer (hereafter “Ogallala”) region of the North American Great Plains. Underlying 450 660 km 2 across eight US states (Fig. 1) (Dennehy 2000; Dennehy et al. 2002), this aquifer has been essential to the US High Plains economy for more than 80 yr (Deines et al. 2020).The High Plains aquifer underlies 174,000 mi 2 in parts of eight States—Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. The area that overlies the aquifer occupies part of the Great Plains Physiographic Province; the extent of the Great Plains Physiographic Province and High Plains aquifer are shown in the ... With high positive loadings in Ca 2+ and Mg 2+, component 2 suggest the importance of dissolution of carbonate rocks in this aquifer system and is definided as the "hardness" component. The scores of the samples calculated in the PCA indicated that first components, the "salinity" and the "hardness", are to some extent both ...A single, combined, and consistent groundwater flow model of the High Plains aquifer system in southern South Dakota and northern Nebraska will be. developed as a part of the assessment. Construction for the South Dakota part of the model will be based on previously published digital models of the High Plains aquifer.The High Plains Aquifer study region is situated in the central plains of the USA and its location is identified in Fig. 1.This temperate semi-arid grassland, with limited surface water supplies in ephemeral streams and playa lakes and few perennial rivers and lakes amongst the Sand Dunes in northern Nebraska, was once known as the “Great American Desert”.

In the accompanying map, the extent of the High Plains Aquifer in Nebraska is shown in blue; black dots represent wells completed in secondary aquifers. These secondary aquifers are the sole water supply for more than 4,000 active wells spread across 30 counties in eastern and western Nebraska.The High Plains Aquifer supplies 30% of the nation’s irrigated groundwater, and the Kansas portion supports the congressional district with the highest market value …The overall average water-level decline in the aquifer was 15.4 feet from pre-development to 2013, and 2.1 feet from 2011 to 2013. The USGS study used water-level measurements from 3,349 wells for pre-development to 2013 and 7,460 wells for the 2011 to 2013 study period. The High Plains Aquifer, also known as the Ogallala Aquifer, …The High Plains aquifer underlies one of the major agricultural areas in the world in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. Nearly 30 percent of the ground water used for irrigation in the United States is pumped from the High Plains aquifer (Weeks and others, 1988). ...Drawing from lessons learned in major US aquifer systems, including the Ogallala-High Plains Aquifer (OHPA) and the California Central Valley Aquifer, we call for a major shift in research ...The Ogallala Aquifer occupies the High Plains of the United States, extending northward from western Texas to South Dakota. The Ogallala is the leading geologic formation in what is known as the High Plains Aquifer System. The entire system underlies about 450,000 square kilometers (174,000 square miles) of eight states.Unit 4.1 - Irrigation and Groundwater Mining (one 60 minute class period) In this unit students compare and contrast long-term (decades) groundwater well levels in six states representing the East Coast, West Coast, and Midwest Plains states. Satellite imagery maps of the well locations will give students an idea of the land cover, …A large imbalance between recharge and water withdrawal has caused vital regions of the High Plains Aquifer (HPA) to experience significant declines in storage. A new predevelopment map coupled with a synthesis of annual water levels demonstrates that aquifer storage has declined by approximately 410 km 3 since the 1930s, a 15% larger …The High Plains aquifer underlies 111.8 million acres (about 175,000 square miles) in parts of eight States—Colo-rado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. Water-level declines began in parts of the High Plains aquifer soon after the beginning of substantial irrigation with groundwater in the aquifer areaThe purposes of this study are to analyze the groundwater quality of the Ogallala Aquifer and evaluate the hydrological characteristics in the southern High Plains region of the Permian Basin, Texas. Levels of chloride, fluoride, nitrate, selenium, pH, and total dissolved solids (TDS) were analyzed for the period 1990–2016. Data concerning a total of 133 wells were collected from the Texas ...

The most heavily pumped of the 24 principal aquifers and aquifer systems within the unconsolidated and semiconsolidated sand and gravel lithologic group were the High Plains aquifer (12,300 Mgal/d), Mississippi River Valley alluvial aquifer (12,100 Mgal/d), Central Valley aquifer system (11,100 Mgal/d), and Basin and Range basin-fill …

The High Plains aquifer underlies 111.8 million acres (about 175,000 square miles) in parts of eight States—Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. More than 95 percent of the water withdrawn from the High Plains aquifer is used for irrigation.The Ogallala aquifer, the largest unit of the hydrologically connected High Plains aquifer system, is one of the world’s largest fresh groundwater resources. It underlies 175,000 square miles/ 112 million acres in eight states. The High Plains Aquifer system slowly formed as hundreds of feet of silt, clay, and gravel eroded from the Rocky ...High Plains Water Level Monitoring Study. High Plains Water-Level Monitoring Study. The High Plains aquifer underlies 111.8 million acres (about 175,000 square miles) in parts of eight States—Colorado, …The Economic Cost of Groundwater Depletion in the High Plains Aquifer. Gabriela Perez-Quesada,; Nathan Paul Hendricks, and; David R Steward.19 Feb 2019 ... The Ogallala Aquifer underlies parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming.Between 1950 and 2013, the water levels dropped over 250 feet in an Ogallala well near Lubbock, Texas. The aquifer has seen more moderate declines elsewhere, but it's causing problems for cities, well owners and irrigators alike. Oklahoma only permits its irrigators enough groundwater to cover each acre of their land with 2 feet of water per ...The HPA underlies around 450,658 km 2 (174,000 mi 2) of which the Ogallala aquifer is the principal geologic formation underlying 347,059 km 2 (134,000 mi 2) (Gutentag et al. 1984). The Ogallala aquifer is primarily a water table (unconfined) aquifer with saturated thickness ranging from 0 m to about 366 m (McGuire 2017).Today, roughly 11 percent of U.S. cropland is located in the High Plains Aquifer (HPA) region [Figure 1], and the aquifer supplies water for about a quarter of U.S. agricultural production, more than 40 percent of U.S. feedlot beef cattle, and drinking water supplies for 82 percent of the people who live within its boundaries.

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In Castro County in 2022, the High Plains Water District reported Ogallala’s saturated thickness to be around 53 feet; in the last 10 years, Castro County has lost nearly 19 feet. Since 2021 ...The USGS, in cooperation with the Kansas Geological Survey (KGS) and the DWR, monitored the High Plains aquifer by measuring water levels in more than 1,400 wells. Water-level data are provided to the public annually so that the quantity of water in the aquifer can be monitored and the effectiveness of water-management measures can be …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. Our research has previously estimated that irrigation water drawn from the HPA adds at least $2 billion worth of additional crops per year in Nebraska ... The High Plains Aquifer (HPA) in the United States (US), also known as Ogallala Aquifer, is spread over an area of 450,658 km 2. Being one of the world’s largest aquifers, it serves as the primary source of water for millions of people living in Texas, Oklahoma, Kansas, New Mexico, Nebraska, Colorado, Wyoming, and South Dakota [ 1 ].In the southern Great Plains, we find crustal uplift of up to 2 mm/year in an area ∼670 km x 280 km. This signal is spatially correlated with the area of greatest groundwater decline in the southern High Plains aquifer. To determine the uplift mechanism and its possible relation to aquifer depletion, we investigate changes in …The secondary aquifers discussed include the Chadron, Brule, and Upper Cretaceous aquifers in western Nebraska and the Western Interior Plains, Dakota, Codell, and Niobrara aquifers in eastern Nebraska. “More than one secondary aquifer is used in some counties,” Divine said. “The maps in this. publication are printed on transparent ...Unit 4.1 - Irrigation and Groundwater Mining (one 60 minute class period) In this unit students compare and contrast long-term (decades) groundwater well levels in six states representing the East Coast, West Coast, and Midwest Plains states. Satellite imagery maps of the well locations will give students an idea of the land cover, …The Ogallala, also known as the High Plains Aquifer, is one of the largest underground freshwater sources in the world. It underlies an estimated 174,000 square miles of the Central Plains and holds as much water as Lake Huron. It irrigates portions of eight states, from Wyoming, South Dakota and Nebraska in the north to Colorado, Kansas ...A single, combined, and consistent groundwater flow model of the High Plains aquifer system in southern South Dakota and northern Nebraska will be. developed as a part of the assessment. Construction for the South Dakota part of the model will be based on previously published digital models of the High Plains aquifer.Introduction. The High Plains aquifer, which includes the well-known Ogallala aquifer, is the most important water source for much of western and central Kansas (fig. 1), supplying 70% to 80% of the water used by Kansans each day.Plain folks propaganda is a technique used to portray a person as an ordinary citizen to their audience. This technique is commonly practiced by politicians. In politics, most politicians are wealthy, but they strive to present themselves a... ….

Figure 43. Diagram summarizing the water budget of the southern High Plains aquifer (of which the Ogallala is a major part). Pre-development influxes and outflows were balanced. Development of the central part of the aquifer, primarily for irrigation, has slightly reduced natural seeps and springs along its eastern edge (A).of the High Plains aquifer soon after the onset of substantial irrigation with groundwater (about 1950). This report presents the volume of saturated aquifer material and drainable water in storage in the High Plains aquifer in 2009; water-level changes in the High Plains aquifer from 1980 to 1995, 1995 to 2000,Climate of the High Plains is semiarid. The unconfined High Plains aquifer is the largest freshwater aquifer in the US. Extensive irrigation in recent decades has led to significant decrease in regional groundwater levels from the predevelopment era (1950s) [Scanlon et al., 2012b; Sophocleous, 2005]. The average water level of Well-HP is 133 ft ...Groundwater Management Districts. Basin and Boundary Map. Consumptive Use Map. Kansas Potential Net Evaporation in Inches (By Township and Range number) Reported water use by county and use made of water. Average groundwater use by section (2003-2012) Two-mile average groundwater use density by section (2003-2012)The Kansas Geological Survey's High Plains Aquifer Interactive Atlas provides a large amount of information on the High Plains Aquifer underneath western and central Kansas, which provides 70-80% of the water used in Kansas.The High Plains aquifer, underlying almost 112 million acres in the central United States, is one of the largest aquifers in the Nation. It is the primary water supply for drinking water, irrigation, animal production, and industry in the region.Using the pre-defined dividing line between north and south to sum volume trends according to 1° × 1° area mascon blocks, the northern High Plains aquifer has an increasing water volume trend of 2.0 km 3 /year and the southern High Plains aquifer decreases at a rate of 4.7 km 3 /year, giving a net change of −2.7 km 3 /year for the entire ...To illustrate the classification approach, a study of the High Plains aquifer system accounted for recharge as: precipitation sourced; groundwater-sourced irrigation-return flow; surface-water-sourced irrigation-return flow; canal leakage; and surface-water sourced recharge from natural landscape features (playas, lakes, and streams; Stanton … The high plains aquifer, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]