Health Department


Chauncy Williams, R.E.H.S./R.S - Director 

Department of Health Services


Mailing Address:
P.O. Box 220
Ennis, TX 75120

Physical Address:
105 S. Preston Street

Ennis, TX 75119

Ph: (972) 875-6442
Fx: (972) 875-8540

Public Health > Radon



Earth and rock beneath home; well water; building materials.

Health Effects: No acute symptoms.  Estimated to cause about ten percent of lung cancer deaths.  Smokers are at higher risk of developing radon induced lung cancer.

Steps to reduce Radon exposure: Test your home for radon; Get professional advice before planning and carrying out radon reduction measures; Seal cracks and other openings in the basement floor; Ventilate crawl space; Treat radon contaminated well water by aerating or filtering through granulated activated charcoal. 

Radon Exposure in Texas
EPA Recommendations Regarding Radon