
Hyco Lake in North Carolina is a popular destination for anglers and those seeking tranquil and picturesque surroundings. However, a recent study published in the journal Environmental Science & Technology has raised concerns about the presence of toxic coal ash in the lake. The research, conducted by scientists from Duke University and Appalachian State University, revealed that coal ash pollution in North Carolina's lakes is more widespread and persistent than previously thought, with toxic ash dating back at least 70 years. This discovery has sparked worries about the environmental impact and potential health risks associated with the contamination of lakes used for recreation and drinking water sources.
| Characteristics | Values |
|---|---|
| Toxic coal ash | Present |
| Environmental conditions | Healthy for aquatic life and human use |
| Contamination | Groundwater and lake water contaminated by leaking or effluent discharge from coal ash ponds |
Explore related products
$7.8 $20
What You'll Learn

Toxic coal ash found in Hyco Lake
Hyco Lake in North Carolina is a popular spot for anglers and those seeking a tranquil environment. However, a recent study published in the journal Environmental Science & Technology has revealed that the lake is contaminated with toxic coal ash. The research, conducted by scientists from Duke University and Appalachian State University, examined the sediment of five lakes in the state, including Hyco Lake, and found evidence of coal ash pollution.
Coal ash, a byproduct of coal-fired power plants, contains toxic chemicals such as lead, arsenic, chromium, cadmium, and mercury. These contaminants pose significant risks to both environmental and human health. The study's lead author, Zhen Wang, a doctoral student at Duke, expressed concern over the discovery, stating that while the lake appears pristine and beautiful, it conceals piles of toxic coal ash beneath its surface.
The presence of coal ash in Hyco Lake is particularly concerning due to its recreational usage. People build their dream homes near the lake, and it is also a source of drinking water for nearby residents. The study highlights the underestimated environmental impact of coal ash and raises questions about the effectiveness of previous contamination assessments.
Avner Vengosh, a researcher from Duke University, emphasized the significance of the lake's bottom sediments, which provide a historical record of the lake's contamination. The findings indicate that the coal ash pollution in Hyco Lake dates back at least 70 years, with most of it predating the extensive air quality controls implemented at coal plants in recent decades. While stakeholders have asserted that environmental conditions remain healthy for aquatic life and human use, the study underscores the need for heightened awareness and more comprehensive assessments of coal ash pollution in lakes and water reservoirs across the country.
E15 Gas: More Power, More Pollution?
You may want to see also
Explore related products

The impact of coal ash on human health
Hyco Lake in North Carolina is a popular spot for anglers and those seeking tranquil surroundings. However, a recent study published in the journal Environmental Science & Technology has revealed that the lake is contaminated with toxic coal ash. This discovery raises concerns about the environmental and human health impacts of coal ash pollution, which has been a known issue around coal-fired power plants.
Coal ash contains harmful substances, including lead, arsenic, chromium, cadmium, and mercury. These toxic chemicals have been linked to serious health problems in humans, including cancer. The presence of coal ash in Hyco Lake is a cause for concern for those who live nearby, as well as those who have been partaking in recreational activities on and around the lake, such as fishing and swimming.
The study, led by doctoral student Zhen Wang from Duke University, examined five lakes in North Carolina, including Hyco Lake. The research revealed that coal ash pollution is more widespread and persistent than previously thought, with toxic ash found to be dating back at least 70 years. This finding contradicts the assurances of environmental health from Duke Energy and governmental agencies, who have been monitoring these lakes for decades.
The health risks associated with coal ash exposure are significant. Lead, for example, is known to cause neurological damage, especially in children, affecting their cognitive development and behaviour. Arsenic exposure has been linked to skin, bladder, and lung cancer, as well as cardiovascular disease. Chromium, in the form of hexavalent chromium, can cause lung cancer and respiratory issues, while cadmium exposure is associated with kidney damage and osteoporosis. Mercury, another toxic component of coal ash, can cause neurological and behavioural disorders, with developing fetuses and young children being particularly vulnerable.
The discovery of toxic coal ash in Hyco Lake underscores the need for comprehensive assessments of coal ash ponds and their environmental impact. It also highlights the importance of transitioning to cleaner energy sources to mitigate the health risks associated with coal-fired power plants. Local communities and individuals who have been exposed to contaminated lakes should be made aware of the potential health risks and provided with alternative sources of clean water for drinking and recreation.
Matcha's Pollution Residue: How Clean is Your Green Tea?
You may want to see also
Explore related products

The environmental impact of coal ash
Hyco Lake in North Carolina is known for its fishing and picturesque surroundings. However, a recent study published in the journal Environmental Science & Technology has found that the lake contains piles of toxic coal ash. This discovery raises concerns about the environmental impact of coal ash and the potential risks to both aquatic life and human health.
Coal ash is a broad term for the waste generated by coal-fired power plants. It includes various by-products such as fly ash, bottom ash, boiler slag, and flue gas desulfurization materials. The disposal of coal ash has been a contentious issue, with utilities historically dumping it in unlined ponds, landfills, and mines. This practice has led to the contamination of groundwater, with toxic pollutants leaking into the surrounding environment.
The presence of coal ash in Hyco Lake underscores the widespread nature of coal ash pollution. The study by researchers from Duke University and Appalachian State University found toxic coal ash in the lake's sediment, indicating that the issue is not isolated but rather a systemic problem. The age of the coal ash, dating back at least 70 years, also highlights the persistence of these toxic remnants and the need for proper management and disposal.
The environmental and health risks associated with coal ash have sparked concerns among residents and environmental groups. Despite efforts to downplay the toxicity of coal ash and characterize it as non-hazardous waste, the evidence suggests otherwise. The Kingston Fossil Plant coal ash spill in Tennessee and the subsequent health issues among cleanup workers illustrate the dangerous nature of coal ash exposure. As a result, communities are taking legal action and advocating for stricter regulations to address the toxic legacy of coal ash and protect their health and the environment.
Rocket Launches: Pollution, Impact, and Our Future
You may want to see also
Explore related products

The history of Hyco Lake
Hyco Lake in North Carolina is a popular destination for anglers seeking a variety of fish species, including largemouth bass, crappie, catfish, and striped bass. The lake is known for its tranquil environment and picturesque surroundings, making it a desirable location for recreational activities and real estate.
However, the history of Hyco Lake is closely tied to its industrial past. The lake was originally built for a coal plant, and over the years, concerns have arisen about the presence of toxic coal ash in the lake. A 2022 study published in the journal Environmental Science & Technology found widespread coal ash pollution in several North Carolina lakes, including Hyco Lake.
The issue of coal ash pollution is not unique to Hyco Lake and is a known problem around coal-fired power plants. The study raised concerns about the environmental impact of coal ash, which contains toxic chemicals such as lead, arsenic, chromium, cadmium, and mercury. These chemicals have been linked to cancer and other health issues in humans.
Despite the findings of toxic coal ash in Hyco Lake, Duke Energy and governmental agencies have asserted that the lake's environmental conditions remain healthy for aquatic life and human use. They attribute the low levels of ash to the extensive air quality controls in place and their transition to cleaner energy sources.
The contrast between Hyco Lake's pristine surface and the underlying presence of industrial pollution highlights the complex history of human impact on natural environments. While the lake continues to be a popular destination for anglers and recreational seekers, the presence of coal ash serves as a reminder of the ongoing challenges of environmental conservation and remediation.
Japan's Plastic Pollution Solutions: A Comprehensive Overview
You may want to see also
Explore related products

The current state of the lake's water quality
Hyco Lake in North Carolina is a popular destination for fishing and real estate. However, a recent study published in the journal Environmental Science & Technology has raised concerns about the presence of toxic coal ash in the lake. The study, led by doctoral student Zhen Wang from Duke University, examined five lakes in North Carolina, including Hyco Lake, and found that coal ash pollution is more widespread and persistent than previously thought.
Coal ash contains toxic chemicals such as lead, arsenic, chromium, cadmium, and mercury, which are known to cause cancer and other health issues in humans. The study found that the coal ash in Hyco Lake dates back at least 70 years, indicating that the lake has been contaminated for several decades. According to Avner Vengosh of Duke University, the research indicates that the environmental impact of coal ash has been underestimated, and that lakes and groundwater are being contaminated by leaking or effluent discharge from coal ash ponds.
Duke Energy and governmental agencies have been monitoring the water quality of Hyco Lake and other affected lakes for decades. They assert that the environmental conditions remain healthy for aquatic life and human use, with most of the ash occurring prior to the extensive air quality controls now in place. However, the discovery of toxic coal ash in Hyco Lake and other recreational lakes in North Carolina highlights the potential risks associated with coal-fired power plants and the importance of ongoing water quality monitoring and remediation efforts.
While the presence of toxic coal ash in Hyco Lake is concerning, it is important to note that the lake is still considered safe for recreational use and fishing. The picturesque surroundings and tranquil environment continue to make Hyco Lake a desirable destination for anglers and homeowners alike. However, the new findings underscore the need for more comprehensive assessments of coal ash contamination in lakes and waterways near coal plants, not just in North Carolina but across the country.
Restoring River Health: Strategies to Combat Pollution
You may want to see also
Frequently asked questions
Yes, according to a study published in the journal Environmental Science & Technology, piles of toxic coal ash were found in Hyco Lake, North Carolina.
Coal ash contains toxic chemicals, including lead, arsenic, chromium, cadmium, and mercury, which have been linked to cancer and other health issues in humans.
Coal ash pollution has been a concern around coal-fired power plants, and the recent study raises worries about the potential extent of coal ash contamination. However, Duke Energy and governmental agencies have stated that environmental conditions are safe for aquatic life and human use.











































