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Dieldrin in Private Drinking Water Wells

Florida Department of Health in Volusia County Environmental Health Engineering

The Volusia County Health Department began collecting water samples from private drinking water wells in the DeLand Country Club Estates area after one well tested positive for dieldrin in early 2011.

In April of 2012, the health department conducted resampling of private drinking water wells that previously showed non-detects for the pesticide dieldrin.

Below you will see results from both tests. You will also find maps showing the results.

The Volusia County Health Department’s sampling strategy follows protocol from the Department of Health's Well Surveillance Program Technical Guide.

Testing results at a glance

resampling testing results at a glance


Open House Presentations

Sampling Maps

Fact Sheets and Informaton

Aldrin and Dieldrin Frequently Asked Questions

Dieldrin Fact Sheet

Health Study Overview

Helpful Information

Safe Gardening Tips


Contact Us

  • Centers for Disease Control and Prevention, Agency for Toxic Substances and Disease Registry Information Center 888-422-8737 or their website at You can also email the CDC at

  • Florida Department of Health toll-free help line 1-877-798-2772. 10 a.m. - 7 p.m.

  • Florida Department of Health in Volusia County Environmental Health Office at 386-274-0546