Nearly half of Mainers use private wells for drinking water, yet an alarming number are unaware that they regularly consume arsenic. More than 30 percent of private wells are contaminated, and one in 10 wells in Maine contains dangerously high levels of arsenic.

Despite its prevalence in Maine groundwater, nearly 41 percent of homeowners in central Maine have never tested their well water for arsenic. The low level of public awareness is unfortunate, especially since arsenic contamination is highly toxic to people.

Arsenic is a potent carcinogen that can cause lung, bladder and skin cancers. Long-term exposure may increase the risk of developing heart disease, type 2 diabetes and skin lesions. Potential lifelong effects are particularly concerning for child drinking contaminated water. There’s growing evidence that arsenic exposure may impair cognitive function in children. Not only can exposure reduce IQ points in school-age children, but impairment from childhood exposure also could affect performance into adulthood.

Arsenic contamination in private drinking wells needs to be recognized as a public health issue. That is why I support L.D. 1162, An Act to Ensure Safe Drinking Water for Maine Families. This proposed bill will require private well owners to routinely test their drinking water and will establish a fund to cover the costs of installing treatment systems. Both components of the bill help Mainers recognize that arsenic exposure is avoidable.

We rarely consider what might be in our drinking water. Underestimating our risk of arsenic contamination gives a false perception of safety. Instead, we need to exercise precaution and frequently test our water wells. Establishing good habits will help safeguard our health.

Ameena Khan

Waterville

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