
All results & information have not been verified. All data is provided by the applicable company and may be estimated based on scientific data. Ratings and scoring are subject to drastically change based on new data / research.
A toxic element found naturally in soil and water, and also from industrial and agricultural sources.
Can cause skin, bladder, lung, and kidney cancer. It may also affect the cardiovascular and nervous systems with long-term exposure.
A naturally occurring element often derived from industrial discharges and natural deposits.
Can lead to increased blood pressure, heart and nervous system problems, and long- term exposure may cause kidney damage.
A naturally occurring ion found in seawater and some groundwater.
While not harmful on its own, it can form toxic byproducts, like bromate, during water disinfection processes.
A naturally occurring mineral added to water to prevent tooth decay.
High levels can cause fluorosis (staining of teeth) and, in extreme cases, bone weakness and thyroid issues.
Commonly found in water due to agricultural runoff, sewage, and industrial waste.
Can cause methemoglobinemia, or "blue baby syndrome," in infants and may increase the risk of cancer and thyroid problems with prolonged exposure.
An essential trace element that can become toxic in high concentrations.
High exposure can cause hair loss, gastrointestinal issues, and nervous system problems.
A naturally occurring mineral found in water from soil leaching, rocks, and industrial processes.
High sulfate levels can cause gastrointestinal discomfort, including diarrhea, especially in infants and sensitive populations.
A radioactive element naturally present in soil and groundwater.
Can increase the risk of kidney damage and cancer, especially when ingested over time.
Proud Source Spring Water sources from two springs in the United States.
A naturally occurring mineral in water that contributes to hardness.
A naturally occurring ion found in salts, sometimes entering water from road salt, sewage, or industrial processes.
A mineral essential for bodily functions, found naturally in water.
A naturally occurring mineral found in groundwater and soil.
A common metal in water, often from natural deposits or corroded pipes.
An essential nutrient often entering water from agricultural runoff and wastewater.