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Filters Date Range Past year (6) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (7) OGC WFS Layer (7) OGC WMS Layer (7) Shapefile (7) Contacts U.S. Geological Survey, Lower Mississippi-Gulf Water Science Center U.S. Geological Survey - ScienceBase Nottmeier, Anna M. Hays, Phillip D. Knierim, Katherine J. U.S. Geological Survey - Lower Mississippi-Gulf Water Science Center U.S. Geological Survey - ScienceBase Tag Types Theme (7) Place (7) Tag Schemes USGS Thesaurus (6) USGS Groundwater Information: Principal Aquifers of the United States (6) Marine Realms Information Bank (MRIB) keywords (4) Hydrology (1) Common geographic areas (4) Geographic Name Information System (GNIS) (1) ISO 19115 Topic Category (4) More... View Results as: JSON ATOM CSV

Ozark aquifer water-level contour dataset, SIM3348 The regional Ozark aquifer potentiometric-surface map shows the altitude at which the water level would have risen in tightly cased wells and represents conditions during the period from November 2014 through January 2015. Water levels were measured during this period to ensure that wells had adequate time to recover from previous summer pumping and prior to the start of the 2015 summer pumping season. Groundwater-level data from 178 wells cased completely in and open to the Ozark aquifer are available from the USGS National Water Information System (NWIS; data available at http:// waterdata.usgs.gov/nwis). Streams and springs in the study area represent the intersection of the groundwater table with land surface;... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Kansas, Missouri, Oklahoma, Ozark aquifer, All tags... groundwater, groundwater-level measurement, potentiometric surface, water- level contour, water-level altitude, Fewer tags Water-level changes 2013-2015, in the Sparta-Memphis aquifer, in Arkansas The groundwater-level change maps for the Sparta-Memphis aquifer are constructed as a point-to-point comparison between wells measured in both 2013 and 2015. Wells not measured in both 2013 and 2015 were not included in the change maps construction. The 2013-2015 change map contains 241 corresponding wells. Groundwater-level differences were calculated by subtracting 2013 groundwater-level measurements, in feet below land surface from the 2015 groundwater-level measurements, in feet below land surface. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Mississippi Embayment aquifer system, Sparta-Memphis aquifer, aquifer, effects of groundwater extraction, All tags... geoscientificInformation, groundwater, groundwater flow, groundwater level, hydrogeology, water resources, Fewer tags Water-level changes 2011-2013, in the Sparta-Memphis aquifer, in Arkansas The groundwater-level change maps for the Sparta-Memphis aquifer are constructed as a point-to-point comparison between wells measured in both 2011 and 2013. Wells not measured in both 2011 and 2013 were not included in the change maps construction. The 2011-2013 change map contains 261 corresponding wells. Groundwater-level differences were calculated by subtracting 2011 groundwater-level measurements, in ft below land surface from the 2013 groundwater-level measurements, in feet below land surface. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Mississippi Embayment aquifer system, Sparta-Memphis aquifer, aquifer, effects of groundwater extraction, All tags... geoscientificInformation, groundwater, groundwater flow, groundwater level, hydrogeology, water resources, Fewer tags Sparta-Memphis aquifer water level altitude contour dataset in Arkansas, January-May 2013 (ver. 1.2, June 2021) This dataset contains 20-ft contours for the 2013 Sparta-Memphis aquifer potentiometric-surface map in Arkansas. The potentiometric-surface shows altitudes at which the water levels would have risen in tightly-cased wells and represents conditions during the period from January through May 2013. Groundwater-level data from 306 wells cased completely in and with the screened interval open to the Sparta-Memphis aquifer are publicly available from the U.S. Geological Survey’s National Water Information System. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Mississippi Embayment aquifer system, Sparta-Memphis aquifer, geoscientificInformation, groundwater, All tags... groundwater flow, groundwater level, hydrogeology, water resources, Fewer tags Sparta-Memphis aquifer well point dataset, in Arkansas, January-June 2015 Dataset contains the groundwater well locations and water-level measurements for 273 wells measured during a water-level survey of the Sparta-Memphis aquifer in Arkansas, January through June 2015. Well-location and water-level data is publicly available from the U.S. Geological Survey's National Water Information System. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Mississippi Embayment aquifer system, Sparta-Memphis Sand, aquifer, effects of groundwater extraction, All tags... geoscientificInformation, groundwater, groundwater flow, groundwater level, hydrogeology, water resources, Fewer tags Sparta-Memphis aquifer well point dataset in Arkansas, January-May 2013 (ver. 1.2, June 2021) This dataset contains the groundwater well locations and water-level measurements for 306 wells measured during the water-level survey of the Sparta-Memphis aquifer, in Arkansas, January through May 2013. Well-location and water-level data is publicly available from the U.S. Geological Survey's National Water Information System. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Mississippi Embayment aquifer system, Sparta-Memphis Sand, aquifer, geoscientificInformation, All tags... groundwater, groundwater flow, groundwater level, hydrogeology, water well, Fewer tags Sparta-Memphis aquifer contour dataset, in Arkansas, January-June 2015 Dataset contains 20-ft contours for the 2015 Sparta-Memphis aquifer potentiometric-surface map, in Arkansas. The potentiometric-surface shows altitudes at which the water levels would have risen in tightly-cased wells and represents conditions during the period from January through June 2015. Groundwater-level data from wells cased completely in and with the screened interval open to the Sparta-Memphis aquifer are publicly available from the U.S. Geological Survey’s National Water Information System. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Mississippi Embayment aquifer system, Sparta-Memphis aquifer, aquifer, effects of groundwater extraction, All tags... geoscientificInformation, groundwater, groundwater flow, groundwater level, hydrogeology, water resources, Fewer tags