Data

This data release contains data in support of "Diverging trends in Nitrate and Phosphorus Loads and Yields Across Illinois Watersheds, 1997–2022" (Kamrath and others, 2025). It contains input and output data used to estimate total nitrate + nitrite, dissolved phosphorous and total phosphorous loads for sites in Illinois from water years 1974 to 2022. The input data includes "input-data...

This data release contains annual estimates of total, fine (

In 2025, the U.S. Geological Survey (USGS), in collaboration with the Cook County Bureau of Technology (BOT), carried out comprehensive hydrographic and water-quality surveys, and activity and disturbance assessments of 34 total water bodies within Cook County, Illinois. These surveys and assessments describe the bathymetry, water-quality conditions, and on-site field crew observations...

This data release (DR) is the update of the U.S. Geological Survey - ScienceBase DR (Bera, 2024b), with the processed data for the period October 1, 2022, through September 30, 2023. This DR describes the watershed data management (WDM) database file SC23.WDM. The precipitation data are collected from a tipping-bucket rain-gage network and the hydrologic data (stage and discharge) are...

This data release (DR) is the update of the U.S. Geological Survey (USGS) - ScienceBase (SB) DR Bera (2024b), with the processed data for the period October 1, 2022, through September 30, 2023. This SB DR describes the watershed data management (WDM) database WBDR23.WDM. The precipitation data are collected from a tipping-bucket rain-gage network and the hydrologic data (stage and...

Samples were collected for a comparison method development study with the University of Minnesota and the U.S. Geological Survey (USGS) National Water Quality Laboratory (NWQL) in Lakewood, Colorado. Widely used liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods fail to capture large fractions of total organofluorine in environmental samples confounding the assessment and...

This data release contains data in support of "Regional Analysis of the Dependence of Peak-Flow Quantiles on Climate with Application to Adjustment to Climate Trends" (Over and others, 2025). It contains input and output data used to analyze the effect of climate changes on trends in floods using three regression approaches. The input consists of two files. The first, "station_list.csv,"...

Information of hydrogeologic and geologic importance from the U.S. Geological Survey Oil and Gas Investigations Map 10, "Maps showing thickness and general character of the Cretaceous deposits in the western interior of the United States" (Reeside, 1944) were digitized from scanned maps 1, 2, 9, and 10. Isopach contours were captured and, along with Geologic Map of North America (GMNA)...

This data release supports "Diverging trends in nitrate and phosphorus loads and yields across Illinois watersheds, 1997–2022" (Kamrath and others, 2024) and the State of Illinois's Nutrient Loss Reduction Strategy (NLRS; Illinois Environmental Protection Agency [IEPA] and others, 2015). This data release contains estimates of incremental nitrate (NO3) and total phosphorus (TP) loads and...

During water years 2016–2023 (a water year is the period from October 1 to September 30 and is designated by the year in which it ends), the U.S. Geological Survey (USGS), in cooperation with the Illinois Environmental Protection Agency (Illinois EPA), operated continuous monitoring stations on eight of the major rivers in Illinois to better quantify nutrient and sediment loadings from...

These data are high-resolution bathymetry (riverbed elevation) and depth-averaged velocities in comma-delimited table format, generated from hydrographic and velocimetric surveys near highway bridge structures over the Missouri River in Kansas City, Missouri, on August 8–9, 2023. Hydrographic data were collected using a high-resolution multibeam echosounder mapping system (MBMS), which...

Important hydrological and geotechnical information from U.S. Geological Survey (USGS) reports detailing selected paleotectonic geologic periods, including the Jurassic (McKee and others, 1956), Triassic (McKee and others, 1959), Permian (McKee and McKee, 1967), Pennsylvanian (McKee and Crosby, 1975), and Mississippian (Craig and Connor, 1979), were digitized from scanned plates...