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Memphis Water Quality Report


Sources Of Drinking Water in Memphis, Tennessee

The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs and wells. As water travels over the surface of the land or through the ground, it dissolves naturally-occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or human activity.

Source: 2017 Memphis Water Quality Report

Contaminants Found in Memphis, TN Water Supply

(Detected above health guidelines)

Radiological contaminants

This utility detected Radium, combines (-226 & -228), Radium-226 & Radium-228

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. 

Potential Health Effects of Consuming These Contaminants

Health risks of Radiological contaminants in excess of health guidelines

Cancer: Radiological contaminants leach into water from certain minerals and from mining. Drinking water contamination with radioactive substances increases the risk of cancer and may harm fetal development.

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.

Contaminant Levels in Memphis, TN Compared to Other Regions

Radiological contaminants

 - N/A

Total trihalomethanes (TTHMs)

 - Health Guideline: 0.8 ppb

 - Memphis, TN: 3.84 ppb

 - National: 23.4 ppb

 - State: 26.2 ppb


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Jason Nash

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

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