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Savannah Water Quality Report

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Sources Of Drinking Water in Savannah, Georgia

Drinking water for the Savannah Main System comes from deep underground, from the Floridan Aquifer. It is drawn from 22 wells between 414 and 1,066 feet deep. These 22 wells pumped approximately 6.47 million gallons a day, supplying 142,274 customers in 2017.

Contaminants Found in Savannah's Water Supply

(Detected above health guidelines)

Bromodichloromethane

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

Chloroform

Chloroform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Chloroform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

Dibromochloromethane

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water.

Radiological contaminants 

his utility detected Radium, combined (-226 & -228), Radium-226, Radium-228 & Uranium.

Total trihalomethanes (TTHMs)

Trihalomethanes are cancer-causing contaminants that form during water treatment with chlorine and other disinfectants. The total trihalomethanes group includes four chemicals: chloroform, bromodichloromethane, dibromochloromethane and bromoform. 

Source:  https://www.ewg.org

Potential Health Effects of Consuming These Contaminants

Health risks of bromodichloromethane in excess of health guideline

Cancer: The health guideline of 0.4 ppb for bromodichloromethane was defined by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

Health risks of chloroform in excess of health guideline

Cancer: The health guideline of 1 ppb for chloroform was defined by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

Health risks of dichloroacetic acid in excess of health guideline

Cancer: The health guideline of 0.7 ppb for dichloroacetic acid was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result  in increased cancer cases above one in a million people.

Radiological contaminants

Health risks of trihalomethanes in excess of health guideline

Cancer: The health guideline of 0.8 ppb for trihalomethanes was defined by the California Office of Environmental Health Hazard Assessment as a draft public health goal, the level of drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

Source:  https://www.ewg.org

Contaminant Levels in Savannah Compared to Other Regions

Bromodichloromethane

 - Health Guideline: 0.4 ppb

 -  Savannah, GA: 1.11 ppb

- State: 1.78 ppb

 - National: 4.38 ppb

Chloroform

 - Health Guideline: 1.0 ppb

- National: 11.5 ppb

 - Savannah, GA: 1.16 ppb

  - State: 6.66 ppb

Dibromochloromethane 

  - Health Guideline: 0.7 ppb

 - State: 0.716 ppb

  - Savannah, GA: 0.932 ppb

 - National: 3.01 ppb

Total trihalomethanes (TTHMs)

 - Health Guideline: 0.8 ppb

  - Savannah, GA: 3.28 ppb

 - State: 11.8 ppb

 - National: 23.7 ppb

Source: https://www.ewg.org


Jason Nash

A hiker, blogger, and water quality expert...

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