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Wisconsin

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Milwaukee Metropolitan Sewerage District (MMSD) Watercourse Corridor Study

Since 2000, the USGS and MMSD have been partners in the Milwaukee Area Watercourse Corridor Study. The USGS has applied a multi-disciplinary approach to monitor and assess stream water quality within studies of aquatic communities, geomorphology and habitat, water and sediment, and streamflow. Results are provided to MMSD and watershed management agencies for planning and decision-making.
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Milwaukee Metropolitan Sewerage District (MMSD) Watercourse Corridor Study

Since 2000, the USGS and MMSD have been partners in the Milwaukee Area Watercourse Corridor Study. The USGS has applied a multi-disciplinary approach to monitor and assess stream water quality within studies of aquatic communities, geomorphology and habitat, water and sediment, and streamflow. Results are provided to MMSD and watershed management agencies for planning and decision-making.
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MMSD Watercourse Corridor Study: Contaminants in Water and Sediment

There are many kinds of chemical, physical, and biological contaminants contained in water and sediment, and new or “emerging” contaminants are continually being discovered. USGS investigations of contaminants in the MMSD Watercourse Corridor Study include studies of PFAS, PAHs, microplastics, and wastewater contamination as well as modeling long-term trends in water quality.
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MMSD Watercourse Corridor Study: Contaminants in Water and Sediment

There are many kinds of chemical, physical, and biological contaminants contained in water and sediment, and new or “emerging” contaminants are continually being discovered. USGS investigations of contaminants in the MMSD Watercourse Corridor Study include studies of PFAS, PAHs, microplastics, and wastewater contamination as well as modeling long-term trends in water quality.
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MMSD Watercourse Corridor Study: Continuous Real-Time Streamflow

The MMSD Watercourse Corridor Study supports seven USGS streamflow gages on Milwaukee-area streams that measure real-time discharge and gage height; five of these sites also collect time-lapse videos.
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MMSD Watercourse Corridor Study: Continuous Real-Time Streamflow

The MMSD Watercourse Corridor Study supports seven USGS streamflow gages on Milwaukee-area streams that measure real-time discharge and gage height; five of these sites also collect time-lapse videos.
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MMSD Watercourse Corridor Study: Ecological Assessments and Trends

Changes in streams that result from urban development such as loss of stream habitat, inadequate or flashy streamflow, and degraded water quality can adversely affect communities of aquatic organisms. MMSD Watercourse Corridor Study ecological assessments evaluate water quality over time by pairing community assessments of aquatic organisms with chemical assessments from passive samplers, as well...
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MMSD Watercourse Corridor Study: Ecological Assessments and Trends

Changes in streams that result from urban development such as loss of stream habitat, inadequate or flashy streamflow, and degraded water quality can adversely affect communities of aquatic organisms. MMSD Watercourse Corridor Study ecological assessments evaluate water quality over time by pairing community assessments of aquatic organisms with chemical assessments from passive samplers, as well...
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MMSD Watercourse Corridor Study: Geomorphology and Sediment Studies Related to Stream and Estuary Rehabilitation

Geomorphology and habitat studies related to stream and estuary rehabilitation consist of three subproject areas: evaluating the efficacy of fish passage restoration efforts (across multiple watersheds), a targeted assessment of fish passage in the Underwood Creek watershed, and characterization of the Milwaukee River estuary.
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MMSD Watercourse Corridor Study: Geomorphology and Sediment Studies Related to Stream and Estuary Rehabilitation

Geomorphology and habitat studies related to stream and estuary rehabilitation consist of three subproject areas: evaluating the efficacy of fish passage restoration efforts (across multiple watersheds), a targeted assessment of fish passage in the Underwood Creek watershed, and characterization of the Milwaukee River estuary.
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MMSD Watercourse Corridor Study: Green Infrastructure

In urban areas, the term “stormwater” refers to the precipitation (either rainfall or snowmelt) that isn’t absorbed by the ground, but rather flows off impervious surfaces such as roads, roofs, and parking lots. Stormwater flows into storm drains and is typically routed directly to streams, which often results in flooding and sometimes combined sewer overflows (CSO) as well. Stormwater can also...
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MMSD Watercourse Corridor Study: Green Infrastructure

In urban areas, the term “stormwater” refers to the precipitation (either rainfall or snowmelt) that isn’t absorbed by the ground, but rather flows off impervious surfaces such as roads, roofs, and parking lots. Stormwater flows into storm drains and is typically routed directly to streams, which often results in flooding and sometimes combined sewer overflows (CSO) as well. Stormwater can also...
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MMSD Watercourse Corridor Study: Nutrient Evaluations

Eutrophication and harmful algal blooms (HABs) are becoming an increasing concern in the Great Lakes. Although there is a total maximum daily load (TMDL) for phosphorus in the Milwaukee Estuary, abundance/biovolume of potential HAB-producing cyanobacteria and cyanotoxin presence in Milwaukee-area rivers and the estuary are largely unknown. USGS evaluations of nutrients in the MMSD Watercourse...
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MMSD Watercourse Corridor Study: Nutrient Evaluations

Eutrophication and harmful algal blooms (HABs) are becoming an increasing concern in the Great Lakes. Although there is a total maximum daily load (TMDL) for phosphorus in the Milwaukee Estuary, abundance/biovolume of potential HAB-producing cyanobacteria and cyanotoxin presence in Milwaukee-area rivers and the estuary are largely unknown. USGS evaluations of nutrients in the MMSD Watercourse...
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Monitoring and predicting the impacts of trees on urban stormwater volume reduction

Much has been learned about how effectively individual green infrastructure practices can reduce stormwater volume, however, the role of urban trees in stormwater detention is poorly understood. This study quantified the impact that trees have on stormwater runoff volume.
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Monitoring and predicting the impacts of trees on urban stormwater volume reduction

Much has been learned about how effectively individual green infrastructure practices can reduce stormwater volume, however, the role of urban trees in stormwater detention is poorly understood. This study quantified the impact that trees have on stormwater runoff volume.
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Chemicals of Concern in the Great Lakes Basin

The Great Lakes are an important freshwater source of drinking water, fisheries, and habitat. Chemicals of concern are introduced to the environment by human activities, but resulting ecological consequences are little understood. With federal and University partners, we are characterizing the presence of contaminants and potential effects to fish in Great Lakes tributaries.
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Chemicals of Concern in the Great Lakes Basin

The Great Lakes are an important freshwater source of drinking water, fisheries, and habitat. Chemicals of concern are introduced to the environment by human activities, but resulting ecological consequences are little understood. With federal and University partners, we are characterizing the presence of contaminants and potential effects to fish in Great Lakes tributaries.
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Using optical sensors to detect sewage contamination in the Great Lakes

In the Great Lakes, large volumes of sewage never make it to wastewater treatment plants due to illicit discharges and leaking sewer infrastructure, but contamination can be difficult to detect. This study will define the utility and practicality of using optical sensors to identify the sources and timing of sewage contamination in surface water and storm sewers in real-time field settings.
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Using optical sensors to detect sewage contamination in the Great Lakes

In the Great Lakes, large volumes of sewage never make it to wastewater treatment plants due to illicit discharges and leaking sewer infrastructure, but contamination can be difficult to detect. This study will define the utility and practicality of using optical sensors to identify the sources and timing of sewage contamination in surface water and storm sewers in real-time field settings.
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Development of a FluEgg Model for the St. Croix River

The USGS partnered with the Minnesota Department of Natural Resources to collect hydraulic and water chemistry data in the lower St. Croix River for development of a model that predicts the probability of successful egg hatching and survival of juvenile invasive carp over a range of water temperature and streamflow conditions.
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Development of a FluEgg Model for the St. Croix River

The USGS partnered with the Minnesota Department of Natural Resources to collect hydraulic and water chemistry data in the lower St. Croix River for development of a model that predicts the probability of successful egg hatching and survival of juvenile invasive carp over a range of water temperature and streamflow conditions.
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Using leaf collection and street cleaning to reduce nutrients in urban stormwater

Decaying organic materials, like leaf litter, can release excess nutrients into local streams and lakes, causing eutrophication and algal blooms. To determine if a municipal leaf collection and street cleaning program can reduce nutrients in stormwater runoff, the USGS measured phosphorus and nitrogen in stormwater from residential areas in Madison, Wis.
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Using leaf collection and street cleaning to reduce nutrients in urban stormwater

Decaying organic materials, like leaf litter, can release excess nutrients into local streams and lakes, causing eutrophication and algal blooms. To determine if a municipal leaf collection and street cleaning program can reduce nutrients in stormwater runoff, the USGS measured phosphorus and nitrogen in stormwater from residential areas in Madison, Wis.
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