Brian Barton
The Ohio River, which spans Pennsylvania, Ohio, West Virginia, Kentucky, Indiana, and Illinois, is one of America's most endangered rivers. In 2023, it was ranked as the second-most endangered river in the United States. Decades of environmental pollution have severely impacted the river's health and water quality. The pollution stems from various sources, including industrial activities, municipal sewers, agricultural runoff, and climate change. With over 5 million people relying on the Ohio River as their primary drinking water source, protecting and restoring the river is crucial for public health and the endurance of cultural identity, historical significance, and biodiversity.
| Characteristics | Values |
|---|---|
| People dependent on the river for drinking water | 5 million |
| Industries causing pollution | Coal, petroleum, steel, mining, resource extraction, chemical production, durable goods manufacturing |
| Toxins | Mercury, PCBs, "forever chemicals" |
| Health issues | Neurological issues, reproductive issues, cancer |
| Environmental groups' concerns | Permit limits being exceeded |
| EPA's stance | The Ohio River Basin is one of the most toxic watersheds in the country |
| Extent of pollution | Found in every major Kentucky watershed, and in at least 38 drinking water systems |
| Underreporting | Industrial polluters are likely underreporting the true extent of forever chemical releases |
| Top polluting industries | Steel producer North American Stainless in Carroll County |
| Volume of pollution | 3 million pounds, 193.6 million pounds, 41 million tons |
| Organisations working for the river | Ohio River Foundation, American Rivers, Three Rivers Waterkeeper, Ohio River Basin Alliance |
| States the river flows through | Pennsylvania, Ohio, West Virginia, Kentucky, Indiana, Illinois |
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Industrial pollution
The Ohio River is one of the most polluted rivers in the United States. Its banks are highly populated and industrialized, and it has served as a dumping ground for local cities and industries for generations. The river is a source of commerce, recreation, and power generation, and it is also used as a collective toilet by many cities along its riverbanks, including Louisville, which send treated and untreated wastewater into the river.
Coal-fired power plants, steel and aluminum manufacturers, and petrochemical plants are some of the major sources of industrial pollution in the Ohio River. In recent years, there has also been a boom in natural gas production using hydraulic fracturing, or fracking, which is increasing groundwater contamination. The practice also discharges recovered fracking water into local treatment plants, which can then end up in the river.
The Ohio River Basin is one of the largest watersheds in the nation, covering more than 200,000 square miles and draining from areas affected by environmental pollution from heavy industrialization, including mining, resource extraction for energy development, chemical production, and durable goods manufacturing. This has resulted in significant discharges of toxic chemicals, including legacy chemicals such as mercury and emerging chemicals of concern such as PFAS and Gen-X chemicals. These forms of pollution threaten the health of both humans and ecosystems.
Efforts are being made to restore the Ohio River Basin and protect public health. The Ohio River Basin Alliance (ORBA), a coalition of more than 300 groups, is developing a plan to restore the basin by addressing urgent threats such as toxic pollution, sewage contamination, and runoff. The Environmental Law & Policy Center (ELPC) is also advocating for strong pollution control standards to protect safe and clean drinking water along the 981-mile-long river. However, there is still a lot of work to be done to address the cumulative impact of industrial pollution on the Ohio River.
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Sewage treatment
The Ohio River has been named one of America's most endangered rivers of 2023. It is threatened by pollution and climate change, endangering the clean water of the 5 million people who depend on it. Decades of environmental pollution have put the river's health at risk.
The sewage treatment process involves several stages:
- Wastewater from sinks, toilets, and other appliances goes down the drain into a pipe, which takes it to a larger sewer pipe.
- The wastewater is then transported through a network of sewers to a sewage treatment works.
- Large objects, such as nappies, wet wipes, and sanitary items, are removed to prevent damage to equipment and pollution.
- Grit and other small particles are filtered out.
- The wastewater is put into sedimentation or settlement tanks, where gravity causes solids to sink to the bottom, separating the sludge from the water.
- The sludge is treated and recycled as fertiliser or used to generate energy through processes like anaerobic digestion or incineration.
- Secondary treatment involves biological processes where ''good' bacteria break down harmful bacteria and organic contaminants in the wastewater.
- Further treatment methods may be employed, such as microfiltration, ion exchange, activated carbon adsorption, or disinfection, to ensure water is safe for human consumption or release into rivers.
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Farmland runoff
The Ohio River is one of the most polluted rivers in the United States. It has served as a dumping ground for toxic chemicals, urban and agricultural runoff, and industrial waste for generations. The river's banks are highly populated and industrialized, with more than 250,000 farms in the Ohio River watershed. This has led to a significant amount of farmland runoff, which contributes to the river's pollution.
While some farmers have implemented practices to limit farmland runoff, such as creating buffer zones around streams or using chemical injection systems, this type of runoff is largely unregulated. The cost of implementing runoff prevention practices can be prohibitive for many farmers, and there is a lack of government support and enforcement to address this issue. Additionally, water trading credit programs that are intended to reduce pollution have been criticized as "pay-to-pollute" schemes that make it difficult to track exact pollution levels and hold polluters accountable.
The impact of farmland runoff on the Ohio River is exacerbated by other sources of pollution, including industrial discharges and sewage contamination. The river has a long history of industrial fallout, with heavy industries, coal-fired power plants, and manufacturers contributing to toxic pollution. The cumulative impact of these various sources of pollution on the environment and human health is not yet fully understood, and some chemicals may be bio-accumulating in the bodies of those who consume water from the river.
Addressing the issue of farmland runoff in the Ohio River requires a comprehensive approach that includes enforcement of regulations, adoption of science-based water quality standards, and investments in infrastructure. By working collaboratively, environmental advocates, government officials, and forward-thinking companies can help improve the health and biodiversity of the Ohio River watershed.
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Climate change
The Ohio River is one of the most polluted rivers in the United States. The river and its basin have a long history of industrialisation, fossil fuel extraction, and chemical pollution. Climate change exacerbates the threats to the river and the health of its surrounding ecosystems.
The Ohio River Basin is one of the largest watersheds in the nation, draining from areas heavily impacted by environmental pollution from mining, resource extraction, chemical production, and manufacturing. Climate change, coupled with these industrial activities, intensifies the challenges faced by the river. As the planet warms, the river is expected to endure more frequent and severe extreme weather events, including flooding and droughts.
The impacts of climate change on the Ohio River are already being felt. In 2020, the Environmental Protection Agency (EPA) considered the Ohio River Basin one of the most toxic watersheds in the country. The river receives the highest burden of toxic discharges, including legacy chemicals such as mercury and dioxins, and emerging chemicals like PFAS and Gen-X chemicals. These pollutants threaten the health of both humans and the ecosystem.
In conclusion, climate change is a critical factor exacerbating the threats to the Ohio River and its ecosystems. The river's rich history and cultural significance, along with its biodiversity and economic importance, make addressing these challenges an urgent priority. Protecting and restoring the health of the Ohio River will require collaborative efforts and investments to safeguard this precious resource for future generations.
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Fracking
The Ohio River, which spans 981 miles from Pittsburgh, Pennsylvania, to Cairo, Illinois, is a source of drinking water for over five million people. It is also a recreational haven and a critical habitat for diverse wildlife, including approximately 160 species of fish. However, the river has been plagued by pollution due to industrialization, agriculture, and human settlement.
The Halliburton fracking spill highlighted the gaps in fracking safety standards and the need for stronger regulation and enforcement of fracking activities. In Ohio, as in most other states, fracking companies are allowed to withhold information about the chemicals they use, claiming protection for corporate trade secrets. While state officials maintained that the river water was safe to drink due to the dilution of fracking chemicals, environmentalists expressed skepticism. They argued that the high volume of chemicals and brine entering the waterway could have unknown impacts on human health and the environment.
In addition to fracking, other sources of pollution in the Ohio River include industrial effluents, agricultural runoff, urban runoff, and sewage contamination. The river's long history of industrialization has left a legacy of pollution, with heavy metals, acids, and other toxic chemicals discharged directly into the river with little to no treatment. Agricultural and urban runoff contribute pesticides, fertilizers, animal waste, and microplastics to the river, leading to eutrophication and the release of harmful toxins.
While regulations like the Clean Water Act have helped curb some of the pollution, the Ohio River still faces significant challenges. Non-point source pollution, such as agricultural and urban runoff, is particularly difficult to control due to its diverse sources. The Ohio River Foundation (ORF) works to monitor enforcement of regulations, promote science-based water quality standards, and shed light on persistent "forever" chemicals that pose unknown risks to human health and the environment.
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Frequently asked questions
Yes, the Ohio River is polluted. In 2023, it was named among America's Most Endangered Rivers, citing that a lack of federal designation and investment leaves this vital river and watershed vulnerable.
The Ohio River is facing threats from legacy pollution and new industrial pollution. Power plants and other industrial facilities released more toxic pollution into the Ohio River Basin than any other watershed in the U.S. in 2020. Toxins such as mercury and PCBs, among other chemicals, still linger in the waterways from Pittsburgh's coal, petroleum, and steel industries.
Environmental groups are advocating for stronger regulations and enforcement to address the pollution in the Ohio River. The Ohio River Foundation (ORF) works with partners to monitor state and federal enforcement of existing regulations and laws against polluters who violate them. They also promote the adoption of new science-based water quality standards and practices to protect and improve water quality. Additionally, the Ohio River Basin Alliance, a collaborative of over 130 stakeholders, is working on a plan to seek funding for a restoration project in the basin.
