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all_wells_protected | All Known Water Wells in the State of Iowa (Protected Version) |
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all_wells_public | All Known Water Wells in the State of Iowa (Public Version) |
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Camb_Ord_static_water_level_1990s | Potentiometric Surface of the Cambrian/Ordovician Aquifer during the 1990s |
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Camb_Ord_static_water_level_2000s | Potentiometric Surface of the Cambrian/Ordovician Aquifer During the 2000s |
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camb_ord_water_level_1990 | Cambrian/Ordovician Aquifer Water Levels in the 1990s |
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camb_ord_water_level_2000 | Cambrian/Ordovician Water Levels During the 2000s |
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CO_200ftdd | The Elevation of the 200 Foot Drawdown Limit from the 1977 Potentiometric Elevation of the Cambrian-Ordovician Aquifer in Iowa |
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CO_25percent | Elevation of 25 Percent of the Original Available Pressure Head in the Cambrian-Ordovician Aquifer in Iowa |
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CO_50percent | Elevation of 50 Percent of the Original Available Pressure Head in the Cambrian-Ordovician Aquifer in Iowa |
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co_btm | Elevation of the Bottom of the Cambrian-Ordovician Aquifer in Iowa |
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co_hycond | Hydraulic Conductivity of the Cambrian-Ordovician Aquifer in Iowa |
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co_isopach | Thickness of the Cambrian-Ordovician (Jordan) Aquifer in Iowa |
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CO_model_extent | Cambrian-Ordovician Aquifer Model Extent |
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CO_pot_1977 | The 1977 Potentiometric Elevation of the Cambrian-Ordovician Aquifer in Iowa |
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CO_predev_pot | Pre-development Potentiometric Elevation of the Cambrian-Ordovician Aquifer in Iowa |
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CO_recharge | Net Recharge into the Cambrian-Ordovician aquifer in Iowa |
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co_spstorage | Specific Storage of the Cambrian-Ordocian Aquifer in Iowa |
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co_top | Elevation of the Top of the Cambrian-Ordovician Aquifer in Iowa |
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co_trans | Transmissivity of the Cambrian-Ordovician Aquifer in Iowa |
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CO_well_yield | Potential Well Yields from the Cambrian-Ordovician Aquifer in Iowa |
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dak_alpha | Distribution of gross alpha particles in water from the Dakota aquifer in Northwest Iowa |
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dak_beta | Distribution of gross beta particles in water from the Dakota aquifer in Northwest Iowa |
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dak_bicarb | Distribution of dissolved bicarbonate in water from the Dakota aquifer in Northwest Iowa |
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dak_bot_depth | Depth to the Bottom of the lower Dakota Aquifer in Northwest Iowa |
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dak_bot_elev | Elevation of the Bottom of the lower Dakota Aquifer in Northwest Iowa |
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dak_calcium | Distribution of dissolved calcium in water from the Dakota aquifer in Northwest Iowa |
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dak_chloride | Distribution of dissolved chloride in water from the Dakota aquifer in Northwest Iowa |
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dak_drawdn50 | Fifty Percent (50%) of Potential Drawdown of the lower Dakota Aquifer in Northwest Iowa |
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dak_drawdown | Potential Drawdown of the lower Dakota Aquifer in Northwest Iowa |
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dak_fluoride | Distribution of dissolved fluoride in water from the Dakota aquifer in Northwest |
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dak_hardness | Distribution of dissolved hardness as CaCO3 in water from the Dakota aquifer in Northwest Iowa |
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dak_iron | Distribution of dissolved iron in water from the Dakota aquifer in Northwest Iowa |
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dak_isopach | Thickness of the lower Dakota Aquifer in Northwest Iow |
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dak_magnesium | Distribution of dissolved magnesium in water from the Dakota aquifer in Northwest Iowa |
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dak_manganese | Distribution of dissolved manganese in water from the Dakota aquifer in Northwest Iowa |
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dak_pot_surf | Potentiometric Surface and Occurrence of the lower Dakota Aquifer in Northwest Iowa |
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dak_radium226 | Distribution of radium-226 in water from the Dakota aquifer in Northwest Iowa |
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dak_radium228 | Distribution of radium-228 in water from the Dakota aquifer in Northwest Iowa |
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dak_radon222 | Distribution of radon-222 in water from the Dakota aquifer in Northwest Iowa |
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dak_sodium | Distribution of dissolved sodium in water from the Dakota aquifer in Northwest Iowa |
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dak_spec_cap | Specific Capacity of the lower Dakota Aquifer in Northwest Iowa in gpm/ft |
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dak_sulfate | Distribution of dissolved sulfate in water from the Dakota aquifer in Northwest Iowa |
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dak_tds | Distribution of total dissolved solids in water from the Dakota aquifer in Northwest Iowa |
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dak_tdswq | Water Quality based on total dissolved solids in water from the Dakota aquifer in Northwest Iowa |
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dak_temp | Distribution of temperature in degrees Celsius of water from the Dakota aquifer in Northwest Iowa |
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dak_top_depth | Depth to the top of the lower Dakota Aquifer in Northwest Iowa |
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dak_top_elev | Elevation of the top of the lower Dakota Aquifer in Northwest Iowa |
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dak_trans_ft | Transmissivity of the lower Dakota Aquifer in Northwest Iowa in square feet/day |
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dak_trans_gpd | Transmissivity of the lower Dakota Aquifer in Northwest Iowa in gpd/ft |
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dak_tritium | Distribution of tritium in water from the Dakota aquifer in Northwest Iowa |
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dakota_alpha_contours | Distribution of gross alpha particles in water from the Dakota aquifer in Northwest Iowa |
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dakota_alpha_points | Distribution of gross alpha particles in water from the Dakota aquifer in Northwest Iowa |
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dakota_beta_contours | Distribution of gross beta particles in water from the Dakota aquifer in Northwest Iowa |
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dakota_beta_points | Distribution of gross beta particles in water from the Dakota aquifer in Northwest Iowa |
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dakota_bicarbonate_contours | Distribution of dissolved bicarbonate in water from the Dakota aquifer in Northwest Iowa |
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dakota_bicarbonate_points | Distribution of dissolved bicarbonate in water from the Dakota aquifer in Northwest Iowa |
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dakota_bottom_elev_contours | Elevation of the Bottom of the lower Dakota Aquifer in Northwest Iowa |
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dakota_calcium_contours | Distribution of dissolved calcium in water from the Dakota aquifer in Northwest Iowa |
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dakota_calcium_points | Distribution of dissolved calcium in water from the Dakota aquifer in Northwest Iowa |
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dakota_chloride_contours | Distribution of dissolved chloride in water from the Dakota aquifer in Northwest Iowa |
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dakota_chloride_points | Distribution of dissolved chloride in water from the Dakota aquifer in Northwest Iowa |
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dakota_drawdown_contours | Potential Drawdown of the lower Dakota Aquifer in Northwest Iowa |
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dakota_drawdown50_contours | Fifty Percent (50%) of Potential Drawdown of the lower Dakota Aquifer in Northwest Iowa |
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dakota_fluoride_contours | Distribution of dissolved fluoride in water from the Dakota aquifer in Northwest Iowa |
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dakota_fluoride_points | Distribution of dissolved fluoride in water from the Dakota aquifer in Northwest Iowa |
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dakota_h2o_quality_wells | Locations of Water-Quality Sampling Sites of Water from the Dakota Aquifer in Northwest Iowa |
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dakota_hardness_contours | Distribution of dissolved hardness as CaCO3 in water from the Dakota aquifer in Northwest Iowa |
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dakota_hardness_points | Distribution of dissolved hardness as CaCO3 in water from the Dakota aquifer in Northwest Iowa |
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dakota_hydro_wells | Locations of Hydrogeologic Sampling Sites of Water and Rock from the lower Dakota Aquifer in Northwest Iowa |
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dakota_iron_contours | Distribution of dissolved iron in water from the Dakota aquifer in Northwest Iowa |
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dakota_iron_points | Distribution of dissolved iron in water from the Dakota aquifer in Northwest Iowa |
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dakota_isopach_contours | Thickness of the lower Dakota Aquifer in Northwest Iowa |
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dakota_magnesium_contours | Distribution of dissolved magnesium in water from the Dakota aquifer in Northwest Iowa |
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dakota_magnesium_points | Distribution of dissolved magnesium in water from the Dakota aquifer in Northwest Iowa |
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dakota_manganese_contours | Distribution of dissolved manganese in water from the Dakota aquifer in Northwest Iowa |
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dakota_manganese_points | Distribution of dissolved manganese in water from the Dakota aquifer in Northwest Iowa |
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dakota_potentio_contours | Potentiometric Surface and Occurrence of the lower Dakota Aquifer in Northwest Iowa |
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dakota_radium226_contours | Distribution of radium-226 in water from the Dakota aquifer in Northwest Iowa |
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dakota_radium226_points | Distribution of radium-226 in water from the Dakota aquifer in Northwest Iowa |
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dakota_radium228_contours | Distribution of radium-228 in water from the Dakota aquifer in Northwest Iowa |
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dakota_radium228_points | Distribution of radium-228 in water from the Dakota aquifer in Northwest Iowa |
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dakota_radon222_contours | Distribution of radon-222 in water from the Dakota aquifer in Northwest Iowa |
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dakota_radon222_points | Distribution of radon-222 in water from the Dakota aquifer in Northwest Iowa |
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dakota_sodium_contours | Distribution of dissolved sodium in water from the Dakota aquifer in Northwest Iowa |
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dakota_sodium_points | Distribution of dissolved sodium in water from the Dakota aquifer in Northwest Iowa |
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dakota_specific_capacity_contours | Specific Capacity of the lower Dakota Aquifer in Northwest Iowa in gpm/ft |
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dakota_sulfate_contours | Distribution of dissolved sulfate in water from the Dakota aquifer in Northwest Iowa |
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dakota_sulfate_points | Distribution of dissolved sulfate in water from the Dakota aquifer in Northwest Iowa |
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dakota_tds_contours | Distribution of total dissolved solids in water from the Dakota aquifer in Northwest Iowa |
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dakota_tds_points | Distribution of total dissolved solids in water from the Dakota aquifer in Northwest Iowa |
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dakota_tdswq_contours | Water Quality based on total dissolved solids in water from the Dakota aquifer in Northwest Iowa |
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dakota_temperature_contours | Distribution of temperature in degrees Celsius of water from the Dakota aquifer in Northwest Iowa |
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dakota_temperature_points | Distribution of temperature in degrees Celsius of water from the Dakota aquifer in Northwest Iowa |
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dakota_top_elev_contours | Elevation of the top of the lower Dakota Aquifer in Northwest Iowa |
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dakota_transmissivity_ft_contours | Transmissivity of the lower Dakota Aquifer in Northwest Iowa in square feet/day |
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dakota_transmissivity_gpd_contours | Transmissivity of the lower Dakota Aquifer in Northwest Iowa in gpd/ft |
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dakota_tritium_contours | Distribution of tritium in water from the Dakota aquifer in Northwest Iowa |
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dakota_tritium_points | Distribution of tritium in water from the Dakota aquifer in Northwest Iowa |
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dakota_yield_contours | Potential Well Yields from the lower Dakota Aquifer in Northwest Iowa in gpm |
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dakota_yields | Potential Well Yields from the lower Dakota Aquifer in Northwest Iowa in gpm |
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devonian_isopach | Distribution and isopach thickness, in feet, of Devonian rocks in Iowa |
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Ground_water_contaminants | Groundwater Contaminants Database of Iowa |
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ground_water_general_quality | General Groundwater Quality Database of Iowa |
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groundwater_capture_zones | Groundwater Capture Zones |
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Groundwater_vulnerability_regions | Groundwater Vulnerability Regions of Iowa |
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GW_Quality | Ground Water Quality Database of Iowa, General and Contanminants, in File Geodatabase format |
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jordan_chloride | Chloride concentration, in mg/L of the water from the Jordan Aquifer in Iowa |
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jordan_dissolved_solids | Dissolved solids concentration, in mg/L, of the water from the Jordan Aquifer in Iowa |
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jordan_fluoride | Fluoride concentration, in mg/L, of the water from the Jordan Aquifer in Iowa |
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jordan_h2o_quality_range | Water quality range, from poor to good, for the Jordan Aquifer in Iowa |
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jordan_h2o_quality_wells | Locations of water-quality sampling sites of water from the Jordan Aquifer in Iowa |
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jordan_hardness | Hardness concentration, in mg/L, of the water from the Jordan Aquifer in Iowa |
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jordan_isopach | Distribution and isopach thickness, in feet, of the Jordan Aquifer in Iowa |
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jordan_potentiometric | Potentiometric surface, in feet above mean sea level, of the Jordan Aquifer in Iowa |
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jordan_pre-potentiometric | Pre-development potentiometric surface, in feet above mean sea level, of the Jordan Aquifer in Iowa |
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jordan_radium | Radium-226 concentration, in pCi/L, of the water from the Jordan Aquifer in Iowa |
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jordan_recession | Areal recession, in feet, of the potentiometric surface of the Jordan Aquifer in Iowa |
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jordan_sodium | Sodium concentration, in mg/L, of the water from the Jordan Aquifer in Iowa |
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jordan_sulfate | Sulfate concentration, in mg/L, of the water from the Jordan Aquifer in Iowa |
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jordan_temperature | Temperature of the water, in °F, from the Jordan Aquifer in Iowa |
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jordan_topography | Surface topography, in feet above mean sea level, of the Jordan Aquifer in Iowa |
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jordan_transmissivity | Transmissivity, in ft²/day, of the Jordan Aquifer in Iowa |
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jordan_usage | Regions of usage for the Jordan Aquifer in Iowa |
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jordan_water_quality | Water Quality Regions of the Jordan Aquifer in Iowa |
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lime_creek_isopach | Distribution and isopach thickness, in feet, of the Lime Creek Shale in Iowa |
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Lower_Dakota_level_2000s | Potentiometric Surface of the Lower Dakota Aquifer During the 2000s |
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Lower_Dakota_obs_2000s | Locations of Wells in the Lower Dakota Aquifer with Static Water Level Measuresments made in the 2000s |
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maple_mill-sheffield_isopach | Distribution and isopach thickness, in feet, of the Maple Mill-Sheffield Shale in Iowa |
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maquoketa_galena_subcrop | Distribution of the Maquoketa Formation and Galena Group subcrops below the Silurian-Devonian Aquifer in Iowa |
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mississippian_dissolved_solids | Dissolved solids concentration, in mg/L, of the water from the Mississippian Aquifer in Iowa |
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mississippian_evaporite | Area where Mississippian evaporite rocks are known and inferred in Iowa |
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mississippian_fluoride | Fluoride concentration, in mg/L, of the water from the Mississippian Aquifer in Iowa |
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mississippian_geology | Geology of the Mississippian Aquifer in Iowa |
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mississippian_h2o_quality_wells | Well location map showing the water-quality sampling sites of water from wells completed in the Mississippian Aquifer in Iowa |
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mississippian_hardness | Hardness of the water, in mg/L, from the Mississippian Aquifer in Iowa |
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mississippian_isopach | Distribution and isopach thickness, in feet, of the Mississippian Aquifer in Iowa |
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mississippian_outcrop_subcrop | Outcrop and subcrop areas of the Mississippian Aquifer in Iowa |
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mississippian_potentiometric | Potentiometric surface, in feet above mean sea level, of the Mississippian Aquifer in Iowa |
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mississippian_sodium | Sodium concentration, in mg/L, of the water from the Mississippian Aquifer in Iowa |
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mississippian_specific_capacity | Specific capacity, in gpm/ft, of wells pumping from the Mississippian Aquifer in Iowa |
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mississippian_sulfate | Sulfate concentration, in mg/L, of the water from the Mississippianlurian Aquifer in Iowa |
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mississippian_topography | Surface topography, in feet above mean sea level, of the Mississippian Aquifer in Iowa |
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mississippian_usage | Regions of Usage of the Mississippian Aquifer in Iowa |
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mississippian_water_quality | Water Quality Regions of the Mississippian Aquifer in Iowa |
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Pennsylvanian_edge | Northern edge of Pennsylvanian rocks overlying the Mississippian Aquifer in Iowa |
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prairie_du_chien_topo | Surface topography, in feet above mean sea level, of the Prairie Du Chien Formation in Iowa |
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Private_well_test | Private well testing |
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PWTS_wells | Private Well Tracking System Wells |
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sil_btm | Bottom of the Silurian Aquifer (Top of the Maquoketa Formation) |
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sil_hydrcond | Hydraulic Conductivity of the Silurian Aquifer in feet/day |
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sil_isopach | Isopach (thickness) of the Silurian aquifer in east central Iowa |
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sil_top | Elevation of the top of the Silurian aquifer |
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sil_trans | Transmissivity of the Silurian aquifer in feet squared per day |
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silurian_isopach | Distribution and isopach thickness, in feet, of Silurian rocks in Iowa |
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silurian_recharge | Transmissivity of the Silurian aquifer in feet squared per day |
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silurian_water_level_2000s | Silurian Aquifer Water Levels in Iowa from 2000-2009 |
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silurian_water_points_2000s | Silurian Aquifer Wells with Static Water Levels from 2000-2009 |
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silurian_well_yields | Transmissivity of the Silurian aquifer in feet squared per day |
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silurian-dev_confining_shales | Distribution and isopach thickness, in feet, of the confining shales below the base of the Silurian-Devonian Aquifer in Iowa |
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silurian-dev_dissolved_solids | Dissolved solids concentration, in mg/L of the water from the Silurian-Devonian Aquifer in Iowa |
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silurian-dev_h2o_quality_wells | Locations of water-quality sampling sites of water from the Silurian-Devonian Aquifer in Iowa |
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silurian-dev_usage | Regions of usage of the Silurian-Devonian Aquifer in Iowa |
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silurian-dev_water_quality | Water Quality Regions of the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_base_topo | Base topography, in feet above mean sea level, of the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_chloride | Chloride concentration, in mg/L of the water from the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_evaporite | Area where Devonian evaporite rocks are known and inferred in association with the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_fluoride | Fluoride concentration, in mg/L, of the water from the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_hardness | Hardness of the water, in mg/L, from the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_potentiometric | Potentiometric surface, in feet above mean sea level, of the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_sodium | Sodium concentration, in mg/L, of the water from the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_sulfate | Sulfate concentration, in mg/L, of the water from the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_temperature | Temperature, in °C, of the water from the Silurian-Devonian Aquifer in Iowa |
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silurian-devonian_topo | Surface topography, in feet above mean sea level, of the Silurian-Devonian Aquifer in Iowa |
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sourcewater_cont_srcs | Source Water Protection Contaminant Sources |
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sourcewater_otherwells | Source Water Protection Other Wells |
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sourcewater_wells | Source Water Assessment and Protection Wells |
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sub_cretaceous_elev_contours | Elevation of the top of sub-Cretaceous rocks in Northwest Iowa |
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sub_dak_depth | Depth to the top of sub-Cretaceous rocks in Northwest Iowa |
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sub_dak_elev | Elevation of the top of sub-Cretaceous rocks in Northwest Iowa |
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water_use_wells | Wells in Water Use Permits |