A family looking our over a factory.

Colorado Kids With Leukemia Are More Than Twice As Likely to Live Near Dense Oil and Gas Development

June 10, 2025 | Source: Environmental Health News | by Kristina Marusic

A recent study found that Colorado children who’d been diagnosed with Acute Lymphocytic Leukemia were more than twice as likely to live near dense oil and gas development, including both conventional and fracking wells, than healthy children throughout the state.

Oil and gas wells emit chemicals that have been linked to increased risk for this type of leukemia — the most common form of childhood cancer — including benzene and polycyclic aromatic hydrocarbons, among others.

Previous research in Colorado and Pennsylvania, which are among the top 10 energy-producing states in the country, have also linked living near oil and gas wells with higher risk for childhood leukemia, but this is the first to assess whether the density of wells and the volume of oil and gas being produced leads to greater risk.

The new study, published in Cancer Epidemiology, Biomarkers & Prevention, looked at medical records for more than 3,000 children born in Colorado between 1992 and 2019. The researchers found that children who were diagnosed with leukemia between the ages of two and nine were more than twice as likely to live within five kilometers — about three miles — of dense oil and gas development compared to healthy children. The study also found that Children who’d been diagnosed with leukemia during this time period were between 1.4 and 2.64 times more likely to live within 13 kilometers (about eight miles) of dense oil and gas development.