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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...

Most of us are comfortable with a research framework that starts with foundational knowledge from the literature and builds on our own work to date. This allows us to ask new iterations of these questions focused on the environment. However, sometimes we want to extend our resear...

Benthic harmful cyanobacteria blooms pose a significant threat to domestic animals, wildlife, and humans. U.S. states, tribes, and local agencies need consistent approaches to characterize relative risk and inform mitigation practices. USEPA is addressing this need with multi-yea...

Objectives:     Harmful blue-green algae (HBGA) exposure can cause illness or death in humans and animals. We characterized 13 years of American Society for the Prevention of Cruelty to Animals (ASPCA) Animal Poison Control Center (APPCC) HBGA call data; com...

•       An updated version (2) of EPA’s River Basin Export Reduction Optimization Support Tool (RBEROST) has been developed to provide nutrient management strategies for the Puget Sound Basin.  RBEROST is an R-based tool that sets up ...

Many coastal states throughout the USA have observed negative effects in marine and estuarine environments caused by cyanotoxins produced in inland waterbodies that were transported downstream or produced in the estuaries. Estuaries and other downstream receiving waters now face ...

With increasing concerns about freshwater cyanobacteria blooms, there is a need to identify which waterbodies are at risk for developing these blooms, especially those that produce cyanotoxins. To address this concern, we developed spatial statistical models using the US National...

In-situ measurements of optically active indicators of water quality are used to develop and validate spatiotemporally robust and cost-effective satellite remote sensing algorithms. Outputs from water quality algorithms routinely inform policymaker decisions that impact environme...

The U.S. Harmful Algal Bloom and Hypoxia Research Control Act calls for robust approaches to forecasting cyanobacterial harmful algal blooms (cyanoHABs). Accurate forecasting technology could save local communities healthcare costs through the early detection of cyanoHABs and the...

Large scale (i.e. continental United States) aquatic resource surveys often collect samples and ship to a centralized processing laboratory. The rigors and chosen methods of shipping and handling as well as holding time could impact the integrity of algal pigments. This study exa...

Iron determines the abundance and diversity of life and controls primary production in numerous aqueous environments. Over the past decades, the availability of this metal in natural waters has decreased. Iron deficiency can apply a selective pressure on microbial aquatic communi...

Harmful algal blooms (HABs) were a topic of great interest at the 2018 ASLO Summer Meeting in Victoria, B.C., Canada (Fig. 1). This was no surprise, since HABs may become – and already are in some areas – the greatest water quality threat to public health and aquatic ...

With increasing concerns about freshwater cyanobacteria blooms, there is a need to identify which waterbodies are at risk for developing these blooms, especially those that produce cyanotoxins. To address this concern, we developed spatial statistical models using the US National...

This is a public presentation on the potential effects of nutrients in smoke on downwind cyanobacteria blooms. Wildfire activity is increasing in the continental U.S. and can be linked to climate change effects, including rising temperatures and more frequent drought conditions. ...

General overview of the Cyanobacteria Assessment Network (www.epa.gov/cyanoproject) current technology, software, and data. A future look of using Sentinel-2 higher resolution imagery and forecasting will also be provided.

Cyanobacterial harmful algal blooms (CyanoHABs) produce excessive amounts of cyanotoxins, mainly microcystins (MCs) and anatoxins (ATXs), significantly threatening aquatic ecosystems and public health. Accurately predicting CyanoHABs is essential to develop effective CyanoHAB pre...

U.S. states, tribes, and local agencies need consistent approaches to characterize the relative risk posed by harmful benthic cyanobacteria proliferations and to inform mitigation practices. USEPA is addressing this need with multi-year, multi-site field research and controlled e...

This is a requested presentation for the Association of Clean Water Administrators (ACWA) that discusses how ORD is the research arm of the EPA and provides the scientific foundation for EPA to execute its mandate to protect human health and the environment. An overview of the 6 ...

Cyanobacteria blooms are an increasing concern in U.S. freshwaters. Such blooms can produce nuisance conditions, deplete oxygen, and alter the food chain, and in some cases they may produce potent toxins, although many factors may modulate the relationships between biomass and to...

Abstract for Harmful Algal Blooms Session at SOT 2024 Anatoxins are small, water-soluble molecules produced by cyanobacteria in fresh and marine waters globally. They are known to cause prolonged depolarization at the neuromuscular junctions leading to generalized paralysis and c...

With increasing concerns about freshwater cyanobacteria blooms, there is a need to identify which waterbodies are at risk for developing these blooms, especially those that produce cyanotoxins. To address this concern, we developed spatial statistical models using the US National...

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...

Cyanobacterial harmful algal blooms (cyanoHABs) are detrimental not only to human and ecosystem health, but also to local economies that rely on surface water for consumption, tourism, and recreation. Previous work has been done to predict cyanoHABs in Florida at the lake and sta...

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...

Cyanobacterial harmful algal blooms pose environmental, economic, and human health concerns across waters of the United States.  However, monitoring changes in cyanobacteria at broad spatial and temporal scales remains difficult and many times with sporadic coverage. The Cya...