Science Inventory

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US EPA has previously published a decision support tool (River Basin Export Reduction Optimization Support Tool, RBEROST) populated with data for the Upper Connecticut River Basin to allow stakeholders to determine the least-cost management strategies to meet nitrogen and phospho...

Human and ecological health have been threatened by the increase of cyanobacteria harmful algal blooms (cyanoHABs) in freshwater systems. Successful mitigation of this risk requires understanding the factors driving cyanoHABs at a broad scale. To inform management priorities and ...

This overview is designed for a general audience without expertise in satellite remote sensing and forecasting. It is meant to highlight how the Cyanobacteria Assessment Network, CyAN , might provide useful real-time data, software, training, annual summary metrics, and 1-week fo...

This overview is designed for a general audience without expertise in satellite remote sensing and forecasting. It is meant to highlight how the Cyanobacteria Assessment Network, CyAN , might provide useful real-time data, software, training, annual summary metrics, and 1-week fo...

Data and analysis of water chemistry and lower food web for collaborative report. This dataset was an important part of the manuscript &quot;A modeling study to determine the contribution of interbasin versus intrabasin phosphorus loads on the southwestern nearshore of Lake Ontar...

Anthropogenic pollution of hydrological systems affects diverse communities and ecosystems around the world. Data analytics and modeling tools play a key role in fighting this challenge, as they can help identify key sources as well as trace transport and quantify impact within c...

This presentation was developed to update the SSWR HABs RAC on the progress made on SSWR.404.2 (Management of HABs in the Built and Natural Environment) during FY23.

Benthic harmful cyanobacteria blooms (HCBs) pose a significant threat to domestic animals, wildlife, and humans. They are a growing concern especially in the west. State, tribal, and local agencies need greater understanding of the risk posed by benthic HCBs. While The Interstate...

Cyanobacterial harmful algal blooms (HABs) can produce toxins that impair freshwater ecosystems used for drinking water, recreation, and habitat for aquatic biota. With HABs increasing in extent and intensity globally, water managers need information about how to prioritize lake ...

Combined sewer overflow events (CSOs) often occur in urban areas due to heavy precipitation, which is expected to occur more frequently and at higher intensity due to climate change. CSOs can negatively impact wildlife, degrade recreational spaces, increase water nutrient loads l...

The U.S. EPA Office of Research and Development, Regions 5, 7 and 8 and EPA Office of Water hosted a multi-regional harmful algal bloom (HABs) workshop on February 4 - 6, 2020 at the University of Kansas Edwards Campus in Overland Park, Kansas. The workshop brought together State...

This is a requested presentation from the Upper Mississippi River Basin Water Quality Task force on EPA ORD's nutrients and harmful algal bloom research in the Mississippi River Basin and Region 7. The presentation covers several research projects related to predicting harmful al...

Update on SSWR Nutrients and HABs research for Region 5 States meeting. This presentation covers research that addresses nutrient pollution and&nbsp; HABs forecasting. Where possible, we have highlighted nutrient reduction related to nonpoint sources including agriculture and sep...

Wildland fires in the United States (U.S.) have increased in frequency and area burned since the mid-1980s. This trend is most pronounced in the western United States, and to a lesser extent in the nation&rsquo;s southeastern region. Historic fire suppression policies have result...

The objective of the study is to determine if available normal 3D human skin tissue culture system can be used to detect and quantify the effects of exposure to cyanobacteria in a water sample like what might be observed in skin rashes or irritations of swimmers exposed to lake w...

Exposure to cyanobacterial toxins have been linked to a host of diseases and disorders including skin rashes and damage to the liver and kidneys. Previous research has shown that Microcystin-LR (Mc-LR), the most common and toxic microcystin present in fresh water, induces the NLR...

M. aeruginosa fluorescent changes were observed using a Cytek Aurora spectral flow&nbsp;cytometer that contains 5 lasers and 64 narrow band detectors located between 365 and&nbsp;829 nm. Cyanobacteria were treated with different concentrations of H2O2 and then monitored&nbsp;afte...

Cyanobacterial harmful algal blooms (CHABs) are a common occurrence in shallow eutrophic lakes, but their recent appearance in deep oligotrophic Lake Superior is a phenomenon. A toxic bloom was reported in September 2021 in Barker&rsquo;s Island Beach (BIB), sparking interest in ...

Harmful algal blooms (HABs) are an environmental, economic, and public health hazard due to their ability to degrade freshwater ecosystems with fish kills, decrease recreation and tourism, and cause severe illness or death in mammals. &nbsp;Monitoring practices and understanding ...

This forecasting approach may be useful for water managers and associated public health managers to predict near-term future high-risk cyanobacterial harmful algal blooms (cyanoHAB) occurrence. Freshwater cyanoHABs may grow to excessive concentrations and cause human, animal, and...

In a world with increasing environmental hazards, harms, and challenges, environmentally just outcomes require intentional and inclusive risk communication. Standard risk communication uses a deficit approach, sharing scientific information without intentional consideration of co...

Cyanobacteria associated with Harmful Algal Blooms (HABs) can release highly potent toxins, known as cyanotoxins, which can be deadly to humans, pets, and livestock. Acute and chronic effects are not well characterized across the diversity of cyanotoxins or the potentially expose...

Eutrophication, harmful algal blooms, and human health impacts are critical environmental challenges resulting from excess nitrogen and phosphorus in surface waters. Yet we have limited information regarding how wetland characteristics mediate water quality across watershed scale...

CyAN is a multi-agency project to develop an early warning indicator system to detect algal blooms in U.S. freshwater systems. This research supports federal, state, tribal, and local partners in their monitoring efforts to assess water quality to protect aquatic and human health...

The Geostationary Littoral Imaging and Monitoring Radiometer (GLIMR) will provide unique high temporal frequency observations of the United States coastal waters to quantify processes that vary on short temporal and spatial scales. The frequency and coverage of observations from ...