Meghan Hodges
Noise pollution is defined as unwanted or disturbing sound, which interferes with normal activities such as sleep, conversation, or general quality of life. It has been shown to have adverse effects on human health, including stress-related illnesses, high blood pressure, speech interference, hearing loss, and sleep disruption. While noise is often overlooked as a form of pollution, it can be extremely detrimental to human health and welfare. In recognition of this, various laws have been established to combat noise pollution, such as the Noise Control Act of 1972 in the US, which aims to promote an environment free from harmful noise levels. The Clean Air Act also plays a role, with Title IV specifically addressing noise pollution and establishing the Office of Noise Abatement and Control (ONAC) to investigate and study noise and its effects. Additionally, the National Environmental Policy Act (NEPA) mandates the analysis of federally funded major actions for environmental impacts, including noise pollution. These laws provide a framework for communities to develop their own noise regulations and protect their citizens from the adverse effects of noise.
| Characteristics | Values |
|---|---|
| Definition of Noise Pollution | "Unwanted or disturbing sound" that interferes with normal activities such as sleeping or conversation, or disrupts or diminishes one's quality of life. |
| Health Effects | Hearing loss, speech interference, sleep disruption, high blood pressure, stress-related illnesses, and psychological effects such as annoyance and distraction. |
| Laws and Regulations | Noise Control Act of 1972, National Environmental Policy Act (NEPA) of 1969, Noise Pollution and Abatement Act of 1970, Occupational Safety and Health Act of 1970, National Overflights Act, Clean Air Act. |
| Enforcement | EPA, State and local governments, Noise Control Officers, Police. |
| Muffler and Exhaust System Regulations | Federal law prohibits tampering with or replacing mufflers or exhaust systems in a way that affects noise emissions. |
| Community Expectations | Communities should have clear expectations and regulations to protect the health and quality of life of citizens. |
| Noise Control Innovations | Quieter products such as hybrid vehicles and advanced technology in washing machines. |
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What You'll Learn
The Noise Control Act of 1972
The Act establishes a national policy to promote a noise-free environment for Americans, protecting their health and welfare. It identifies major sources of noise, including transportation vehicles, machinery, appliances, and products in commerce. The Act also authorises the establishment of federal noise emission standards for these products and provides information to the public about noise emission and reduction.
One of the key aspects of the Noise Control Act is its recognition of the negative impacts of noise on human health. Noise pollution has been linked to various health issues, including stress-related illnesses, high blood pressure, hearing loss, sleep disruption, and even psychological dysfunctions. The Environmental Protection Agency (EPA) played a crucial role in setting noise levels to protect public health, with guidelines for state and local governments to follow.
The Act also addresses the responsibilities of local governments in land-use planning for noise mitigation. While primary responsibility for controlling noise rests with state and local governments, federal action is still essential for major noise sources in commerce that require national uniformity of treatment.
Despite the Noise Control Act of 1972 remaining in effect, Congress ended funding for the federal noise control program in 1981. This shift transferred the primary responsibility for addressing noise pollution to state and local governments, with the EPA retaining the authority to investigate, study, and disseminate information about noise pollution and its health effects.
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State and local government responsibilities
State and local governments have the primary responsibility of responding to and addressing many noise pollution matters. While the Environmental Protection Agency (EPA) is usually the first point of contact for queries relating to noise pollution, the EPA itself states that the primary responsibility for addressing noise issues lies with state and local governments.
The Noise Control Act of 1972 established a national policy to promote an environment for all Americans free from noise that jeopardizes their health and welfare. The Act also established a means for effective coordination of Federal research and activities in noise control, authorized the establishment of Federal noise emission standards, and provided information to the public about noise emission and noise reduction. The Act directed the EPA to promulgate regulations for a host of noise emissions. The EPA's statutory authority under the Clean Air Act allows it to regulate noise pollution and it retains the authority to investigate and study noise and its effects, disseminate information to the public, respond to inquiries, and evaluate the effectiveness of existing regulations.
Under the Clean Air Act, the EPA established the Office of Noise Abatement and Control (ONAC) to carry out investigations and studies on noise and its effect on public health and welfare. However, in 1981, the Reagan administration prompted Congress to eliminate ONAC's funding, and the primary responsibility for addressing noise issues was transferred to state and local governments.
State and local governments have the power to enact regulations that are no more strict than federal regulations. They may also preempt local ordinances. California and New Jersey, for example, have comprehensive noise codes that communities must meet. Local ordinances are often aimed at construction noise, power equipment operated by individuals, and unmuffled industrial noise penetrating residential areas. Thousands of U.S. cities have prepared noise ordinances that give noise control officers and police the power to investigate noise complaints and enforce shutdowns and fines.
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Health effects of noise pollution
Noise pollution, also referred to as environmental noise, is defined as any unwanted or disturbing sound that negatively impacts the health and well-being of humans and other living organisms. It is a significant public health concern, ranking second only to air pollution as the most harmful environmental exposure.
The health effects of noise pollution are extensive and far-reaching, impacting both physical and mental health. One of the most common and well-known consequences is Noise-Induced Hearing Loss (NIHL), which affects approximately 10 million people in the United States alone. Sounds exceeding 85 decibels are considered potentially harmful, and common sources of such noise pollution include lawnmowers, subway trains, and factory equipment.
Prolonged exposure to noise pollution can lead to various adverse health outcomes, including cardiovascular disease, high blood pressure, sleep disturbances, and stress. Research has also linked noise pollution to type 2 diabetes, mental health issues, cognition problems such as memory impairment and attention deficits, childhood learning delays, and low birth weight. These impacts can be especially detrimental to children, who are particularly vulnerable to the negative effects of noise pollution.
The constant exposure to noise can trigger anxiety and stress, causing people to feel irritable, frustrated, and angry. It can also lead to elevated stress levels, mood swings, and diminished productivity. Additionally, noise pollution can cause sleep disturbances, reducing the depth and quality of sleep and further impacting an individual's mood and concentration.
Protective measures such as wearing earplugs or investing in soundproofing insulation can help mitigate the harmful effects of noise pollution. However, it is important to recognize that addressing noise exposure requires collective efforts, and individuals should not bear the sole responsibility for reducing their noise exposure.
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Federal regulations on noise pollution
The US federal government has passed legislation to minimise the effects of noise pollution on people's health. The Noise Pollution and Abatement Act, also known as the Noise Control Act, was passed in 1972. It established a national policy to promote an environment for all Americans free from noise that jeopardises their health and welfare.
The Act set noise-emission standards for various sources, including transportation, appliances, machinery, and commercial products. It also established federal noise emission standards for products distributed in commerce, such as motor vehicles, aircraft, and certain types of HVAC equipment. Any noise that exceeded 80 decibels was considered excessive and potentially harmful to one's health. The Act required federal entities to report their noise levels and empowered the Environmental Protection Agency (EPA) to oversee federal noise control efforts. The EPA's responsibilities include conducting research, coordinating noise regulation, and requiring environmental impact assessments for new infrastructure projects.
The Clean Air Act, which regulates all forms of air pollution in the US, also plays a role in addressing noise pollution. Under this Act, the EPA was mandated to investigate and study noise and its effects on public health and welfare, coordinate federal noise-control activities, disseminate information to the public about noise pollution and its adverse health effects, and evaluate the effectiveness of existing noise-related regulations for protecting public health and welfare.
The EPA also established the Office of Noise Abatement and Control (ONAC) in 1970 to carry out investigations and studies on noise and its effects. However, in 1981, under the Reagan administration, Congress eliminated ONAC's funding, and the primary responsibility for addressing noise issues was transferred to state and local governments. Despite this, the EPA retains its authority under the Clean Air Act to regulate noise pollution.
The Quiet Communities Act of 1978 further extended the provisions of the Noise Control Act, and a new bill was introduced in 2021 to require the EPA to reestablish the ONAC to encourage the development of local noise control programs, research, and education.
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Community noise ordinances
Noise ordinances are noise regulations that limit the allowable noise level at different times of the day for different zoned areas (i.e. residential, commercial, and industrial). These ordinances are important in densely populated areas such as big cities, where noise can be detrimental to the community's health.
The field of acoustics has provided scientifically accepted standards for measuring and identifying noise. Local communities can use this knowledge to create meaningful noise regulations by enacting quantitative ordinances that apply scientific standards of sound intensity and frequency. These standards are more amendable to tailoring to meet the unique needs of a local community.
The Noise Control Act of 1972 establishes a national policy to promote an environment for all Americans free from noise that jeopardizes their health and welfare. It also establishes Federal noise emission standards for products distributed in commerce and provides information to the public on noise emission and noise reduction. While the primary responsibility for controlling noise rests with state and local governments, Federal action is essential to deal with major noise sources in commerce.
Most communities have local noise ordinances that prohibit excessive, unnecessary, and unreasonable noise. These ordinances vary in their maximum allowable noise levels, which are typically higher during daytime hours and lower at night. Some noise ordinances are vague and open to interpretation, while others are very specific, calling out particular sound levels and daytimes.
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Frequently asked questions
Noise pollution refers to "unwanted or disturbing sound". Sound becomes unwanted when it interferes with normal activities such as sleeping or conversation, or when it diminishes one's quality of life.
Noise pollution can have a range of adverse effects on people's health and welfare. These include stress-related illnesses, high blood pressure, speech interference, hearing loss, sleep disruption, and lost productivity.
In the US, the Noise Control Act of 1972 establishes a national policy to promote an environment for all Americans that is free from noise that jeopardises their health and welfare. The Act also establishes a means for effective coordination of Federal research and activities in noise control, and authorises the establishment of Federal noise emission standards for products distributed in commerce.
The Clean Air Act, which regulates all forms of air pollution in the US, mandates the Environmental Protection Agency (EPA) to investigate and study noise and its effects on public health and welfare, coordinate Federal noise-control activities, disseminate information to the public regarding noise pollution and its adverse health effects, and evaluate the effectiveness of existing noise-related regulations for protecting public health and welfare. Additionally, the Occupational Safety and Health Act of 1970 states that employers are responsible for providing safe and healthful workplaces for their employees, with OSHA setting and enforcing these standards.
Several European countries have emulated the US national noise control law, including the Netherlands (1979), France (1985), Spain (1993), and Denmark (1994). Environmental noise is also specifically defined in the European directive 2002/49/EC article 10.1.
