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Skip to main content An official website of the United States government Here's how you know Here's how you know Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. U.S. Geological Survey * Science * Science Explorer * Biology * Climate * Coasts * Energy * Environmental Health * Geology * Information Systems * Maps and Mapping * Minerals * Methods and Analysis * Natural Hazards * Ocean * Planetary Science * Science Technology * Water * Mission Areas * Core Science Systems * Ecosystems * Energy and Minerals * Natural Hazards * Water Resources * Programs * Regions * Northeast Region * Southeast Region * Midcontinent Region * Rocky Mountain Region * Southwest Region * Alaska Region * Northwest-Pacific Islands Region * Science Centers * Observatories * Laboratories * Frequently Asked Questions * Educational Resources * Special Topics * USGS Celebrates the Year of Open Science * Products * Data * Data Management * Data Releases * Real-time Data * All Data * Maps * Geologic Maps * Map Releases * Topographic (Topo) Maps * Volcanic Maps * All Maps * Multimedia Gallery * Audio * Images * Stereograms * Videos * Webcams * All Multimedia * Publications * Web Tools * Alert and Notification Services * APIs * Data Access Tools * Data Analysis Tools * Data Visualizations * Interactive Maps * All Web Tools * Software * U.S. Board on Geographic Names * The National Map * USGS Library * USGS Store * Park Passes * News * News Releases * National News Releases * State News Releases * All News Releases * Featured Stories * Science Snippets * Technical Announcements * Employees in the News * Get Our News * Media Contacts * Newsletters * I'm a Reporter * Earthquake Questions * Request Footage * Multimedia Gallery * Connect * Headquarters * 12201 Sunrise Valley Drive Reston, VA 20192 * Locations * Staff Profiles * Social Media * Careers * Contact Us * 1-888-392-8545 * Live Chat * Email * USGS Store 1-888-275-8747 * About * About Us * Who We Are * Our History * Past Directors * Survey Manual * Key Officials * Organizational Chart * Organization * Mission Areas * Programs * Regions * Science Centers * Observatories * Laboratories * Science Support Offices * Congressional * Statements * Contacts * Budget * Careers and Employees * Diversity and Equal Opportunity * Doing Business * Acquisition and Financial Assistance * Partners and Cooperators * Building Partnerships * Emergency Management * Facebook * Twitter * Linkedin * Digg * Reddit * Pinterest * Email Latest Earthquakes | Chat Share Social Media Label Menu Label Close U.S. Geological Survey * Science * Science Explorer * Mission Areas * Programs * Regions * Science Centers * Observatories * Laboratories * Frequently Asked Questions * Educational Resources * Special Topics * USGS Celebrates the Year of Open Science * Products * Data * Maps * Multimedia Gallery * Publications * Web Tools * Software * U.S. Board on Geographic Names * The National Map * USGS Library * USGS Store * Park Passes * News * News Releases * Featured Stories * Science Snippets * Technical Announcements * Employees in the News * Get Our News * Media Contacts * Newsletters * I'm a Reporter * Connect * Headquarters * Locations * Staff Profiles * Social Media * Careers * Contact Us * About * About Us * Survey Manual * Key Officials * Organization * Congressional * Budget * Careers and Employees * Diversity and Equal Opportunity * Doing Business * Emergency Management * Latest Earthquakes * Live WebChat * Share Social Media * Facebook * Twitter * Linkedin * Digg * Reddit * Pinterest * Email CENTRAL MIDWEST WATER SCIENCE CENTER Education/Outreach BREADCRUMB 1. Science Centers CENTRAL MIDWEST WATER SCIENCE CENTER Water Data CENTRAL MIDWEST WATER SCIENCE CENTER Projects/Reports CENTRAL MIDWEST WATER SCIENCE CENTER Extreme Events CENTRAL MIDWEST WATER SCIENCE CENTER Education/Outreach BREADCRUMB 1. Science Centers CENTRAL MIDWEST WATER SCIENCE CENTER Water Data CENTRAL MIDWEST WATER SCIENCE CENTER Projects/Reports CENTRAL MIDWEST WATER SCIENCE CENTER Extreme Events CENTRAL MIDWEST WATER SCIENCE CENTER Education/Outreach * 1 * 2 * 3 * 4 Central Midwest Water Science Center * Home * Science * Data * Maps * Multimedia * Publications * Web Tools * Software * News * Connect * Partners * About CENTRAL MIDWEST WATER SCIENCE CENTER Welcome to the Central Midwest Water Science Center’s (CMWSC) Website. We offer information on streamflow, water quality, water-use, and groundwater data for Illinois, Iowa, and Missouri. We conduct unbiased, scientific hydrologic investigations & research projects to effectively manage CMWSC and our Nation's water resources through joint efforts with our partners. Real Time Data Links CMWSC CURRENT WATER CONDITIONS Current Conditions CMWSC SCIENCE Science OTHER LINKS * RiverCams * Real-Time Data * USGS StreamStats * Education and Outreach * Extreme Events * Maps NEWS Event: Explore USGS Careers in the Southeast 2024 July 3, 2024 EVENT: EXPLORE USGS CAREERS IN THE SOUTHEAST 2024 Friday's Findings: Environmental Contaminants and Agricultural Production January 31, 2024 FRIDAY'S FINDINGS: ENVIRONMENTAL CONTAMINANTS AND AGRICULTURAL PRODUCTION StreamStats regression equation updates for Illinois December 1, 2023 STREAMSTATS REGRESSION EQUATION UPDATES FOR ILLINOIS View All PUBLICATIONS September 20, 2024 PEAK STREAMFLOW TRENDS IN IOWA AND THEIR RELATION TO CHANGES IN CLIMATE, WATER YEARS 1921–2020 This study summarizes trends and change points for peak and daily streamflow in Iowa from water years 1921 through 2020. Nonstationarity in peak streamflow in Iowa can include monotonic trends, change points, and changes in seasonality. Spatial patterns of nonstationarity in peak streamflow, daily streamflow, and monthly climatic data (observed and modeled) were examined across four temporal perio Authors Padraic S. O'Shea By Central Midwest Water Science Center September 18, 2024 GEOMORPHIC CHANGE, HYDROLOGY, AND HYDRAULICS OF CAULKS CREEK, WILDWOOD, MISSOURI Caulks Creek is a small stream that flows through the city of Wildwood in western St. Louis County, Missouri. The U.S. Geological Survey, in cooperation with the city of Wildwood, has documented historical and recent geomorphic change along Caulks Creek, simulated the hydrologic and hydraulic response of Caulks Creek to a variety of design storm scenarios, and simulated bank retreat resulting from Authors Jessica Z. LeRoy, David C. Heimann, Kyle D. Hix, Charles V. Cigrand, Tyler J. Burk By Central Midwest Water Science Center September 9, 2024 SUSPENDED SEDIMENT AND TRACE ELEMENT TRANSPORT IN THE BIG RIVER DOWNSTREAM FROM THE OLD LEAD BELT IN SOUTHEASTERN MISSOURI, 2018–21 Lead Belt, an area of major lead mining from the 1860s until 1972 where more than 8.5 million tons of lead were mined. After active mining ceased, the effects of mining activities persisted in the Big River system because of large mine waste pile erosion, and floodplain sediment and streambank contamination along several tributaries and the main stem of the Big River. Lead-contaminated streambed a Authors Kendra M. Markland, Camille E. Buckley By Central Midwest Water Science Center View All SCIENCE link October 8, 2024 PRELIMINARY RESEARCH SHEDS LIGHT ON PROPER ANALYSIS AND SAMPLE HANDLING FOR THE TIRE-DERIVED CONTAMINANTS 6PPD AND 6PPD-QUINONE Tire and road wear particles have been shown to cause acute effects to sensitive aquatic animals and degrade their habitats. U.S. Geological Survey (USGS) scientists developed methods to accurately identify aquatic compounds, such as 6PPD and 6PPD-quinone, that can cause acute mortality events in coho salmon (Oncorhynchus kisutch). By Ecosystems Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, Central Midwest Water Science Center, Eastern Ecological Science Center, Kansas Water Science Center, New Jersey Water Science Center, Oklahoma-Texas Water Science Center, South Atlantic Water Science Center (SAWSC), Washington Water Science Center, Western Fisheries Research Center link October 8, 2024 PRELIMINARY RESEARCH SHEDS LIGHT ON PROPER ANALYSIS AND SAMPLE HANDLING FOR THE TIRE-DERIVED CONTAMINANTS 6PPD AND 6PPD-QUINONE Tire and road wear particles have been shown to cause acute effects to sensitive aquatic animals and degrade their habitats. U.S. Geological Survey (USGS) scientists developed methods to accurately identify aquatic compounds, such as 6PPD and 6PPD-quinone, that can cause acute mortality events in coho salmon (Oncorhynchus kisutch). Learn More link July 19, 2024 STATEWIDE ASSESSMENT OF IOWA STREAMS LINKS LANDSCAPE CHARACTERISTICS TO ANTIBIOTIC RESISTANCE SIGNATURES U.S. Geological Survey (USGS) scientists conducted the first statewide assessment of antibiotics, antibiotic resistant bacteria (ARB), and antibiotic resistant genes (ARGs) in streams (water column and bed sediment samples) across Iowa. Results indicated that ARB and ARGs were prevalent, and a combination of watershed characteristics (such as land use, livestock population, and human population)... By Ecosystems Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, Central Midwest Water Science Center, Upper Midwest Water Science Center link July 19, 2024 STATEWIDE ASSESSMENT OF IOWA STREAMS LINKS LANDSCAPE CHARACTERISTICS TO ANTIBIOTIC RESISTANCE SIGNATURES U.S. Geological Survey (USGS) scientists conducted the first statewide assessment of antibiotics, antibiotic resistant bacteria (ARB), and antibiotic resistant genes (ARGs) in streams (water column and bed sediment samples) across Iowa. Results indicated that ARB and ARGs were prevalent, and a combination of watershed characteristics (such as land use, livestock population, and human population)... Learn More link August 8, 2023 A NATIONAL ASSESSMENT OF PESTICIDE, PFAS, MICROPLASTIC, AND ANTIBIOTIC RESISTANCE GENE EXPOSURES IN WHITE-TAILED DEER Research has documented exposures and consequential environmental health effects of pesticides, PFAS, microplastics, and antibiotic resistance genes in environmental biota. Little is known, however, regarding such effects in white-tailed deer ( Odocoileus virginianus ). By Central Midwest Water Science Center, Columbia Environmental Research Center link August 8, 2023 A NATIONAL ASSESSMENT OF PESTICIDE, PFAS, MICROPLASTIC, AND ANTIBIOTIC RESISTANCE GENE EXPOSURES IN WHITE-TAILED DEER Research has documented exposures and consequential environmental health effects of pesticides, PFAS, microplastics, and antibiotic resistance genes in environmental biota. Little is known, however, regarding such effects in white-tailed deer ( Odocoileus virginianus ). Learn More View All MULTIMEDIA List Grid Picture of Lee's Summit Office Picture of Lee's Summit Office Measuring flooding in the South Grand River in Urich, Missouri Measuring flooding in the South Grand River in Urich, Missouri Measuring flooding in the South Grand River in Urich, Missouri Measuring flooding in the South Grand River in Urich, Missouri Olivette, MO Building Olivette, MO Building Fort Dodge Iowa Office Fort Dodge Iowa Office Paul new profile picture. Paul new profile picture. NGWOS AEMs For Illinois - Aerially Mapping the Illinois River Basin NGWOS AEMs For Illinois - Aerially Mapping the Illinois River Basin NGWOS AEMs For Illinois - Aerially Mapping the Illinois River Basin (AD) NGWOS AEMs For Illinois - Aerially Mapping the Illinois River Basin (AD) Gage Greatness Bracket Round 1 Gage Greatness Bracket Round 1 View All Back to Top Science * Science Explorer * Mission Areas * Programs * Regions * Science Centers * Observatories * Laboratories * Frequently Asked Questions * Educational Resources * Special Topics Products * Data * Maps * Publications * Multimedia Gallery * Web Tools * Software * U.S. Board on Geographic Names * The National Map * USGS Library * USGS Store * Park Passes News * Featured Stories * News Releases * Science Snippets * Technical Announcements * Employees in the News * Get Our News * Media Contacts * I'm a Reporter * Newsletters Connect * Headquarters * Locations * Staff Profiles * Social Media * Careers * Contact Us About * About Us * Survey Manual * Organization * Key Officials * Congressional * Budget * Careers and Employees * Doing Business * Emergency Management Legal * Accessibility * FOIA * Site Policies * Privacy Policy * Site Map * DOI and USGS link policies apply * No FEAR Act * USA.gov * Vulnerability Disclosure Policy U.S. GEOLOGICAL SURVEY U.S. DEPARTMENT OF THE INTERIOR Facebook Twitter YouTube Instagram RSS CONTACT USGS 1-888-392-8545 answers.usgs.gov Was this page helpful? ✓ Thanks for sharing! 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