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The Florida Department of Health works to protect, promote & improve the health of all people in Florida through integrated state, county, & community efforts.

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Private Well Water Systems

Environmental Engineering

  •  239-274-2200
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    Fax

    239-274-2201
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    Mailing Address

    60 Danley Dr. S Unit #1 

    Fort Myers, FL 33907 

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    TTY users can contact us through Florida Relay by dialing 7-1-1 or one of the other Relay Toll Free Numbers. 

Environmental Engineering is equipped to test for bacterial contamination. Testing determines whether the water is safe for human consumption at the time of sampling. We investigate illness complaints involving waterborne diseases determined by your medical provider. Educational information and recommendations regarding maintenance of your well and water treatment systems are available upon request.

Good quality drinking water may be consumed in the desired amount without adverse effect on health. Such water is called “potable”. It is free from harmful levels of impurities: bacteria, viruses, minerals, and organic substances. It is also aesthetically acceptable. Private well owners are responsible for ensuring that their well water is safe to drink.

Wells can become  contaminated from bacteria and nitrates for a variety of reasons. Sometimes it is obvious, when flood waters enter the well, but many times it is not as obvious, for example when septic tanks fail, fertilizers seep into the ground water,or into streams and canals, or someone illegally dumps chemicals or sewage. Either way drinking contaminated water can  make you and your family ill. Superchlorination followed by dechlorination is the most common solution for potential bacteria in the water supply.

As a service to the community, the Department of Health in Lee County Environmental Engineering Division is available to test your water for bacteria, interpret the results, and provide guidance on how to disinfect the well if the water is contaminated. We strongly recommend you annually test your well for bacterial contamination and nitrates. You may bring a nitrate water sample to any NELAC certified lab for analysis that conducts the Nitrate test.

Bacteriological Sampling Instructions for Private Wells   (en Español)

Keep your water safe - How to Maintain your Aerator   (en Español)

Water System Disinfection Procedure

Well Disinfection Procedure

Bacteriological Test Results

Is Your Well Water Well?   Video

Private Drinking Water Wells Fact Sheet