State Report

Vermont

Total Water Systems

416

Total Contaminants

67

Vermont

's Water

Vermont's water sources include Lake Champlain, numerous rivers such as the Winooski and Connecticut, and underground aquifers. The state's water is generally considered clean, but concerns exist regarding agricultural runoff, outdated septic systems, and rising levels of phosphorus contributing to algal blooms in lakes. Protecting these pristine yet vulnerable resources is a growing focus for the state.

Vermont

Total Water Systems

416

Total Contaminants

67

Vermont's water sources include Lake Champlain, numerous rivers such as the Winooski and Connecticut, and underground aquifers. The state's water is generally considered clean, but concerns exist regarding agricultural runoff, outdated septic systems, and rising levels of phosphorus contributing to algal blooms in lakes. Protecting these pristine yet vulnerable resources is a growing focus for the state.

Largest Contaminants

Total trihalomethanes

Water Systems Affected

252

People Impacted

477,556

Risk Level

75

/100

Learn more

Chloroform

Water Systems Affected

245

People Impacted

467,580

Risk Level

78

/100

Learn more

Bromodichloromethane

Water Systems Affected

241

People Impacted

466,608

Risk Level

70

/100

Learn more

Haloacetic acids

Water Systems Affected

113

People Impacted

363,349

Risk Level

45

/100

Learn more

Dichloroacetic acid

Water Systems Affected

105

People Impacted

356,302

Risk Level

75

/100

Learn more

Trichloroacetic acid

Water Systems Affected

104

People Impacted

349,293

Risk Level

75

/100

Learn more
Vermont's Water Health Analysis

Vermont's Water Health Analysis

Overall Health Analysis

The state of Vermont is home to 416 water systems, which serve countless communities. However, the water quality in Vermont demands attention, as 67 different contaminants have been found in its water supplies. This affects hundreds of thousands of residents who rely on clean water for their daily needs. Among these contaminants, six pose particularly significant threats to public health: Total trihalomethanes, Chloroform, Haloacetic acids, Bromodichloromethane, Dichloroacetic acid, and Trichloroacetic acid. These compounds originate from various sources and introduce diverse risks to human health. Understanding the prevalence of these harmful substances is crucial for safeguarding public well-being.

Top Six Contaminants

Total Trihalomethanes (TTHMs)

Water Systems Affected: 252

People Impacted: 477,556

Total trihalomethanes (TTHMs) are chemical byproducts formed when disinfectants like chlorine react with organic matter in water. This contaminant has been detected in more than 50% of Vermont’s water systems, affecting nearly half a million residents. TTHMs are linked to serious health risks, including bladder cancer, kidney damage, and reproductive harm, particularly with long-term exposure.

Chloroform

Water Systems Affected: 245

People Impacted: 467,580

Chloroform, a common element of the Total trihalomethanes group, is a byproduct of water disinfection processes. This chemical has been identified in 245 water systems in Vermont, affecting over 467,000 people. Exposure to chloroform is known to impact the liver and kidneys and is considered a potential carcinogen, posing a significant risk to long-term health and safety.

Haloacetic Acids (HAAs)

Water Systems Affected: 241

People Impacted: 466,608

Haloacetic acids are another group of disinfection byproducts that arise during the water treatment process. They are present in 241 water systems across Vermont, impacting over 466,000 individuals. Chronic exposure to HAAs is associated with increased risks of cancer and developmental issues, making them a pressing concern for both health professionals and residents.

Bromodichloromethane

Water Systems Affected: 113

People Impacted: 363,349

Bromodichloromethane is yet another disinfection byproduct with significant health implications. This contaminant, found in 113 water systems, impacts the health of over 363,000 Vermont residents. Bromodichloromethane has been linked to reproductive harm, organ damage, and an increased risk of cancer, making it especially concerning for vulnerable populations.

Dichloroacetic Acid

Water Systems Affected: 105

People Impacted: 356,302

Dichloroacetic acid, a subset of haloacetic acids, is found in 105 water systems, impacting more than 356,000 residents across Vermont. It is associated with several adverse health effects, including cancer, developmental challenges in children, and negative impacts on the liver and nervous system.

Trichloroacetic Acid

Water Systems Affected: 104

People Impacted: 349,293

Trichloroacetic acid, another member of the haloacetic acids group, has been detected in 104 water systems, affecting around 349,000 Vermont residents. Long-term exposure to this contaminant can cause organ damage, developmental delays, and a heightened risk of cancer, highlighting the critical need for ongoing monitoring and intervention.

Most Significant Health Impacts

One of the most concerning aspects of Vermont's water contaminants is their ability to cause severe health issues. Among these are increased cancer risks, particularly bladder cancer, from Total trihalomethanes and related compounds like chloroform and bromodichloromethane. Haloacetic acids and their derivatives, including dichloroacetic acid and trichloroacetic acid, are associated with developmental issues in children, potentially affecting their learning and growth. Liver and kidney damage are common health outcomes for individuals exposed to these contaminants for extended periods. Vulnerable populations, such as children, pregnant women, and the elderly, are especially at risk, amplifying the urgency for solutions.

Conclusion

The state of Vermont faces notable challenges in maintaining the health of its water systems. With 67 contaminants present across 416 water systems and significant portions of the population impacted, it is vital to address water health concerns promptly. The prevalence of disinfection byproducts like Total trihalomethanes, chloroform, and haloacetic acids underscores the need for regulatory improvements and more effective filtration technologies. Public awareness and education also play critical roles in ensuring safety and encouraging proactive measures to mitigate these risks. Residents must remain informed about the quality of their water and consider steps to protect themselves and their families from potential harm.

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