Bronte Wells
Rivers are wild habitats that are constantly under threat from pollution, which can come from natural phenomena like floods and landslides, but also from human activity. Industrial waste, sewage, and everyday human habits like washing hands or brushing teeth with certain products can all contribute to river pollution. To un-pollute a river, the key is to prevent new pollution from entering and allow the river to recover naturally. This can be achieved through individual actions like reducing plastic consumption, proper disposal of chemicals and medications, and advocating for responsible land use and conservation policies. Additionally, addressing physical pollution, such as litter and debris, through community litter picks can help improve river health.
Ways to Un-Pollute a River
| Characteristics | Values |
|---|---|
| Preventing polluted runoff | Stopping nitrogen, phosphorus, sediment, and other pollutants from running into rivers |
| Reducing plastic consumption | Minimizing the use of plastic products to prevent physical pollution |
| Proper disposal of chemicals | Not disposing of household chemicals, motor oil, automotive fluids, and medications down the sink, toilet, or sewer systems |
| Reducing pesticide and fertilizer use | Minimizing the use of pesticides and fertilizers in farming and gardening |
| Voting for conservation policies | Supporting responsible land use and conservation policies in the community |
| Cleaning river sediment | Digging up contaminated sediments and replacing them with clean sediment |
| Treating wastewater | Improving sewage collection and treatment to prevent water pollution |
| Avoiding everyday pollutants | Being mindful of products used in everyday tasks that may contain toxins harmful to the environment |
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What You'll Learn
- Prevent runoff from streets, parking lots, and rooftops, which can carry pollutants like pet waste, sediment, fertilizers, pesticides, oil, and automotive fluids
- Minimize the use of pesticides, herbicides, and fertilizers in farming, and ensure livestock does not defecate directly into the river
- Do not dispose of household chemicals, cleaning agents, medications, or automotive fluids into sewer systems, as they can end up in rivers?
- Advocate for thoughtful and responsible land use and conservation policies in your community to protect rivers and their ecosystems
- Avoid using products containing anti-bacterial agents like triclosan, which can pollute rivers and harm aquatic life
Prevent runoff from streets, parking lots, and rooftops, which can carry pollutants like pet waste, sediment, fertilizers, pesticides, oil, and automotive fluids
Stormwater runoff is a significant contributor to river pollution. Rainwater flows over the ground and, instead of being absorbed by the soil or evaporating, it comes into contact with impervious surfaces such as streets, parking lots, and rooftops. This diverts the natural flow of rainwater, channelling it into storm drains, retention ponds, ditches, or directly into the nearest body of water. As it flows across these impervious surfaces, stormwater runoff picks up contaminants, including pet waste, sediment, fertilizers, pesticides, oil, and automotive fluids.
To prevent stormwater runoff from streets, parking lots, and rooftops, several strategies can be implemented:
- Reducing the use of fertilizers, chemical herbicides, and pesticides in yards and gardens is essential. These substances are significant sources of nitrogen and phosphorus pollution, which can lead to eutrophication and harmful algal blooms in water bodies.
- Properly disposing of medications and pharmaceuticals is crucial. Many people flush unused or expired medications down the toilet or throw them in the trash, but these substances should be returned to pharmacies for proper disposal.
- Using alternative pest control methods, such as copper strips or parasitic nematode worms, instead of metaldehyde-based slug pellets. Metaldehyde is highly toxic to aquatic life and can persist in the water system, affecting both fish and predators higher up in the food chain.
- Educating communities about the impacts of stormwater runoff and promoting best practices, such as adjusting sprinkler systems to avoid watering sidewalks and streets. This reduces the flow of reclaimed water into urban landscapes, minimising the mobilisation of nutrients, bacteria, and sediments into stormwater runoff.
- Implementing erosion and sediment control ordinances at the county and state levels can help regulate and reduce the amount of sediment and pollutants entering waterways.
- Advocating for thoughtful and responsible land use policies and conservation initiatives through voting and community engagement can also help address the issue of stormwater runoff and its impact on rivers.
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Minimize the use of pesticides, herbicides, and fertilizers in farming, and ensure livestock does not defecate directly into the river
Pesticides, herbicides, and fertilizers are often essential for farmers to increase crop yields and control weeds, insects, and diseases. However, they can contaminate rivers, causing harm to the wider ecosystem and human health. To minimize their use, farmers can adopt practices such as crop rotation and good soil health, which encourage a population of beneficial microorganisms, insects, and plants that ward off diseases and weeds. For example, an Iowa study found that adding oats to a rotation of corn and soybeans allowed farmers to use less herbicide while maintaining similar yields.
Farmers can also consider alternative methods of pest control, such as integrated pest management, which uses natural predators and biological controls to manage pests. Additionally, precision agriculture technologies can help optimize the use of fertilizers and pesticides, ensuring they are applied only where and when needed, reducing their environmental impact.
Livestock farming can also contaminate rivers when manure and topsoil are washed into waterways. To prevent this, it is important to keep livestock out of rivers and streams. Fencing is a convenient method to accomplish this, with placement considering slope, animal species, and vegetation density. Providing alternative water sources and practicing good grazing management can also help maintain water quality and reduce soil erosion.
Implementing these practices can help minimize the pollution of rivers by pesticides, herbicides, fertilizers, and livestock farming, protecting both the environment and human health.
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Do not dispose of household chemicals, cleaning agents, medications, or automotive fluids into sewer systems, as they can end up in rivers
Disposing of household chemicals, cleaning agents, medications, or automotive fluids into sewer systems can have detrimental effects on rivers and freshwater systems. These systems often connect to local rivers and streams, and pollutants can run off into these water bodies, causing toxic environments that harm aquatic life.
Household Chemicals and Cleaning Agents
When disposing of household chemicals and cleaning agents, it is essential to follow proper protocols to avoid polluting sewer systems and, consequently, rivers. Only specific inorganic and organic compounds that are reasonably water-soluble should be disposed of in sinks or sewers. These compounds must be in low concentrations, typically around one percent or less. Anything exceeding this limit requires approval from the relevant authorities, such as the Office of Clinical and Research Safety (OCRS). It is crucial to adhere to local guidelines and regulations for proper disposal methods to avoid harmful chemicals from making their way into rivers.
Medications
Improper disposal of medications can lead to drug residues entering water systems and ultimately reaching rivers and lakes. It is recommended to dispose of most expired or unused medications through drug take-back programs, drop-off locations, or mail-back programs. Some medications on the U.S. Food and Drug Administration's flush list can be flushed, but this should be a last resort if no other disposal options are available. Mixing medications with undesirable substances like used coffee grounds before throwing them away can make them less appealing to children, pets, or those who may intentionally search through trash for drugs.
Automotive Fluids
Automotive fluids, such as engine oil, coolant, and antifreeze, require responsible disposal or recycling. These fluids should never be dumped on the ground, into storm drains, or septic systems, as they can contaminate the environment and harm both animals and humans. Instead, they should be taken to recycling centers or disposed of according to local laws and regulations. It is important to never mix automotive fluids before disposal, as some facilities recycle these fluids for other purposes.
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Advocate for thoughtful and responsible land use and conservation policies in your community to protect rivers and their ecosystems
Rivers are an essential part of the ecosystem and are critical to the health of the communities that live alongside them. They are also a source of food and water for many. However, rivers are often polluted by physical and chemical waste, as well as natural sources of pollution.
To advocate for thoughtful and responsible land use and conservation policies in your community, it is important to first understand the issues and the potential solutions. Get informed about the current state of your local rivers and the policies that are in place to protect them. Are there specific sources of pollution that are affecting the health of the river and the surrounding ecosystem? Are there any gaps in the existing policies or enforcement that need to be addressed?
Once you have a good understanding of the issues, you can start to take action. This might include:
- Educating your community about the importance of river conservation and the simple changes they can make to reduce pollution.
- Volunteering for local clean-up initiatives or hosting community education events to raise awareness about river health and the impact of human activity on the river ecosystem.
- Joining or supporting local organizations that are working to protect and restore your local rivers. These organizations often have the knowledge and resources to make a direct impact and can help amplify your voice.
- Advocating for stronger water laws and policies at the local, state, and federal levels. This might include participating in public input opportunities, such as the ones provided by the Clean Water Act, or contacting your local representatives to express your concerns and suggest improvements.
- Voting for candidates who prioritize environmental protection and responsible land use policies.
By taking these actions, you can help protect and restore the health of your local rivers and their ecosystems, ensuring that they can continue to support the communities that depend on them.
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Avoid using products containing anti-bacterial agents like triclosan, which can pollute rivers and harm aquatic life
Antibacterial agents such as triclosan are often found in everyday products like hand gel and toothpaste. These products can end up in rivers through everyday tasks such as washing your hands or brushing your teeth. Once in the water, triclosan sticks to the soil of the riverbed and is consumed by small creatures living in the river. It then moves up the food chain, affecting larger predators the most.
Triclosan mimics the hormone estrogen in animals, inhibiting their reproductive systems and their ability to swim. Due to these concerns, some companies have started removing triclosan from their products. However, it is important for consumers to be aware of the products they are using and to choose those that do not contain triclosan.
In addition to triclosan, other toxic chemicals found in household products can also pollute rivers. For example, metaldehyde, the active ingredient in slug pellets, is toxic to aquatic life and can be passed up the food chain to predators such as birds and fish. Pharmaceutical products, even in small quantities, can also be considered toxic to aquatic life. Painkillers, antidepressants, and contraceptives can affect the natural reproductive cycle, behaviour, and growth of fish species.
To avoid polluting rivers, it is important to properly dispose of old medications by returning them to a pharmacy rather than flushing them down the toilet or throwing them in the bin. Additionally, reducing the use of fertilizers, herbicides, and pesticides can help prevent toxic runoff into rivers. Native plants can be used in landscaping to reduce stormwater runoff and the need for watering or fertilizing.
Community involvement is also crucial in reducing river pollution. Volunteering for litter picks and advocating for thoughtful and responsible land use policies can help alleviate the burden of physical pollution on rivers. Educating the community about river pollution and ways to reduce it can empower individuals to make small changes in their everyday habits that collectively make a significant difference in improving water quality.
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Frequently asked questions
Everyday tasks such as washing your hands or brushing your teeth could mean you are unwittingly polluting a river. Hand gel or toothpaste may contain anti-bacterial agents such as triclosan, which can inhibit the reproductive systems of animals. Therefore, one must be careful of the products they use and ensure that they do not dispose of any household chemicals or cleaning agents down the sink or toilet.
Non-point source pollution includes stormwater runoff and farm field runoff. Arable and livestock farming can contaminate rivers when manure, topsoil, pesticides, and fertilizers are washed off the land and into streams and rivers. Therefore, one must minimize the use of pesticides, herbicides, and fertilizers.
Point source pollution includes wastewater treatment plants. Sewage and wastewater are sources of water pollution due to inadequate sewage collection and treatment. Industries produce a lot of toxic waste, which is drained into freshwater and eventually flows into rivers. Therefore, it is important to vote for thoughtful and responsible land use and conservation policies in your community.
You don't clean the water already in the river. Instead, you stop new pollution from coming in and let the river and its ecosystem recover naturally. This includes digging up contaminated sediments from within the river or its banks and adding new clean sediment.
Physical pollution is the most obvious form of pollution, with items such as crisp packets, plastic bottles, and even trolleys thrown into rivers.
