Water data for Michigan, Minnesota, and Wisconsin
Access real-time and historical data for surface water, groundwater, water quality, and water use
Access real-time and historical data for surface water, groundwater, water quality, and water use
Edge-of-field monitoring
Testing the effectiveness of agricultural conservation practices for reducing nutrient and sediment runoff
Testing the effectiveness of agricultural conservation practices for reducing nutrient and sediment runoff
SPARROW models of streamflow and nitrogen, phosphorus, and suspended-s
SPARROW Watershed Models of Loads in Midwest Streams
SPARROW Watershed Models of Loads in Midwest Streams
Great Lakes urban stormwater monitoring
Assessing the ability of green infrastructure to reduce stormwater runoff in Great Lakes urban areas
Assessing the ability of green infrastructure to reduce stormwater runoff in Great Lakes urban areas
Great Lakes mercury sources revealed
Mercury "footprinting" identifies sources of pollution in the Great Lakes
Mercury "footprinting" identifies sources of pollution in the Great Lakes
Upper Midwest Water Science Center
Welcome to the Upper Midwest Water Science Center’s (UMid) Website. We offer information on streamflow, water quality, water-use, and groundwater data for Minnesota, Wisconsin and Michigan. We conduct unbiased, scientific hydrologic investigations and research projects to effectively manage the Upper Midwest's and our Nation's water resources through joint efforts with our partners.
Current conditions in MI, MN, and WI
Current conditions in MI, MN, and WI
Explore real-time streamflow, groundwater, and water-quality conditions and access data with our interactive map application.
Message from the Director
Message from the Director
Learn more about the Upper Midwest Water Science Center from Steve Peterson, our Center Director.
Upper Midwest Water Science Center Quick Links
Upper Midwest Water Science Center Quick Links
News
Low-level helicopter flights to image geology over Michigan and Wisconsin
Low-level helicopter flights to image geology over Michigan and Wisconsin
Gage Greatness 2025 - Does the Upper Midwest Water Science Center have the #GreatestGage?
Gage Greatness 2025 - Does the Upper Midwest Water Science Center have the #GreatestGage?
Avian Influenza research featured in new story, "Wings of Change: The Environment's Influence on Bird Flu"
Avian Influenza research featured in new story, "Wings of Change: The Environment's Influence on Bird Flu"
Publications
A model uncertainty quantification protocol for evaluating the value of observation data
The history-matching approach to parameter estimation with models enables a powerful offshoot analysis of data worth—using the uncertainty of a model forecast as a metric for the worth of data. Adding observation data will either have no impact on forecast uncertainty or will reduce it. Removing existing data will either have no impact on forecast uncertainty or will increase it. The...
Peak streamflow trends in Minnesota and their relation to changes in climate, water years 1921–2020
This report chapter summarizes the effect of hydroclimatic variability of annual peak streamflow in Minnesota and is part of a larger U.S. Geological Survey multistate study to assess potential nonstationarity in annual peak streamflows across the Midwest. Spatial and temporal patterns were examined for nonstationarity in annual peak streamflow, daily mean streamflow, and modeled...
Mercury speciation and stable isotopes in emperor penguins: First evidence for biochemical demethylation of methylmercury to mercury-dithiolate and mercury-tetraselenolate complexes
Apex marine predators, such as toothed whales and large petrels and albatrosses, ingest mercury (Hg) primarily in the form of methylmercury (MeHg) via prey consumption, which they detoxify as tiemannite (HgSe). One of the most intriguing current questions in Hg research is how more abundant lower trophic level predators detoxify MeHg, particularly in marine environments where tissue Hg...
Science
Decoding Harmful Algal Blooms: Unraveling the Mystery
Harmful algal blooms (HABs) are a significant environmental concern due to their potential effects on health, ecosystems, and economies. Algal toxins, which are toxic compounds produced by certain species of cyanobacteria and algae, are commonly linked to these blooms. It's important to note that algal toxins can still be present even when a bloom is not visible, highlighting the need for ongoing...
By
Ecosystems Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, California Water Science Center, Caribbean-Florida Water Science Center (CFWSC), Kansas Water Science Center, Maryland-Delaware-D.C. Water Science Center, National Wildlife Health Center, Nevada Water Science Center, New England Water Science Center, New Jersey Water Science Center, New Mexico Water Science Center, South Atlantic Water Science Center (SAWSC), St. Petersburg Coastal and Marine Science Center, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center
Wings of Change: The Environment's Influence on Bird Flu
Low pathogenic avian influenza (LPAI) viruses naturally occur in wild birds and are rarely fatal. Highly pathogenic avian influenza (HPAI) viruses are highly contagious, spread rapidly, are often fatal to poultry, and have been responsible for worldwide outbreaks. Together, LPAI and HPAI are generally referred to as either avian influenza viruses (AIVs) or "the bird flu."
Innovative Sensor Development for Detecting Low-Micrometer Plastics in Freshwater Systems
Plastic pollution is a significant global issue in aquatic ecosystems, with low-micrometer plastics (LMMPs) posing particular risks owing to their small size and prevalence in various environments. The U.S. Geological Survey and collaborators are developing an innovative sensor to detect and analyze LMMPs in freshwater systems, achieving rapid and accurate results without the need for additional...