Alert

Plan ahead! Both the Castle Rock and Lone Tree Health Department offices will be closed on Tuesday, Nov. 19 from 11:45 a.m. – 1:45 p.m.

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Health Department

Radon Testing (Child Care Facilities)

As of July 1, 2022, new child care facilities are required to have radon testing performed by a certified radon professional.

Radon is a colorless, odorless, tasteless and invisible gas naturally released in rocks and soil as uranium breaks down. It can enter buildings through cracks in building foundations, floors, and walls and can accumulate in the air. Radon can cause lung cancer after it is inhaled over a long period of time. Learn more from the CDC.