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Health & Rocky Flats
Questions. Experiences. Research.
What We Know — and What We Still Need to Learn.
For many people who lived, worked or attended school near Rocky Flats, questions about their health and the possible effects of past releases continue to be part of their lives.
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This page brings together community experiences, health research and important unanswered questions — and connects you to related articles in our News & Knowledge library.
What Our Community Has Reported
Real People. Real Experiences. Important Questions.
Many people who lived, worked, or attended school near Rocky Flats have experienced cancer and other serious health conditions themselves or within their families. Their stories include a wide range of illnesses, sometimes affecting multiple family members and generations.
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These personal accounts cannot, by themselves, prove that Rocky Flats caused a particular illness. But they are an important part of the community's story. They help document what people have experienced, preserve family histories, and highlight concerns that deserve to be heard and taken seriously.
What Have Health Studies Found?
What Health Research Tells Us — and Its Limitations
Government agencies, independent researchers, and public health officials have examined whether living near Rocky Flats is associated with higher rates of certain health conditions, including cancer and other diseases.
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These health studies provide important information about patterns of illness in surrounding communities. They can help us understand possible health effects and identify areas where more research is needed.
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At the same time, existing studies have limitations, and many questions remain about the long-term health impacts of living near Rocky Flats.
What Remains Unanswered?
Why Questions About Rocky Flats Continue
Although plutonium operations ended in 1989 and Rocky Flats underwent an accelerated cleanup, important questions remain about historical exposures, long-term health effects, and the health of surrounding communities today.
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Cancer and other serious illnesses can develop years or decades after a potential exposure. People move, historical records can be incomplete, and health studies may not fully capture the experiences of specific neighborhoods, families, or generations.
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Plutonium-239 has a radioactive half-life of approximately 24,100 years. Its persistence underscores the importance of long-term environmental stewardship and continued examination of unanswered questions about exposure and health.
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Through our Truth and Transparency effort, Rocky Flats Downwinders is working to bring greater attention to these gaps. We support continued health surveillance, more comprehensive research, and transparent access to government data so our community can better understand the full impact of Rocky Flats.
Your Health & Your Healthcare Provider
Your Environmental History May Be Relevant
If you lived, worked, or attended school near Rocky Flats, your environmental history may be relevant to your health. Sharing that history with your healthcare provider can help them better understand your concerns and determine whether any additional evaluation or follow-up is appropriate.
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Rocky Flats Downwinders has developed a one-page Environmental Exposure Letter that you can share with your primary care provider. It provides background information about Rocky Flats and explains why a patient's history of living, working, or attending school near the former plant may be important to consider.
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The letter does not establish that an individual was exposed or that Rocky Flats caused a particular illness. Its purpose is to support informed conversations between patients and their healthcare providers.