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The City of Leon Valley has a water well that tested positive for E. coli. E. coli bacteria were found in the water supply on May 21, 2016. These bacteria can make you sick, and are a particular concern for infants, young children and people with weakened immune systems.


Fecal indicators are microbes whose presence indicates that the water may be contaminated with human or animal wastes. Microbes in these wastes can cause short-term health effects, such as diarrhea, cramps, nausea, headaches, or other symptoms. They may pose a special health risk for infants, young children, some of the elderly, and people with severely compromised immune systems.

The symptoms above are not caused only by organisms in drinking water. If you experience any of these symptoms and they persist, you may want to seek medical advice. People at increased risk should seek advice from their health care providers about drinking this water.

Corrective action: The City of Leon Valley immediately removed the well from service and flushed the well with chlorine. The well will be resampled prior to being placed back into service, to assure the raw water is free from any bacteria. The water being distributed to homes did not test positive for any bacteria and is safe to drink.

We anticipate resolving the problem within the week of May 23, 2016. For more information, please contact Assistant Public Works Director David Dimaline at 210-681-1232 or 6400 El Verde Road, Leon Valley, Texas 78238.

General guidelines on ways to lessen the risk of infection by microbes are available from the EPA Safe Drinking Water Hotline at 1-800-426-4791. 

Bexar County Hazard Mitigation

The City of Leon Valley is partnering with Bexar County to develop a Hazard Mitigation Action Plan (HMAP) that will address natural and man-made hazards that affect our area.  The Federal Emergency Management Agency defines mitigation as actions taken to reduce or eliminate long-term risk to people and property from hazards and their effects.  

The goal of the HMAP is to minimize or eliminate the long-term risk to human life and property from known hazards through effective mitigation.
Public and stakeholder participation is key to good mitigation planning! 

Leon Valley residents and business owners are invited to complete this short survey (click on the image) to help your planners in the hazard identification and risk analysis phase.

Hazard Mitigation

Thank You for your input! 

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