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Collierville Water Quality Report

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Sources Of Drinking Water in Collierville, Tennessee

Your water comes from deep, underground aquifers, which is pumped directly to the one of four water treatment plants by ten wells for processing. All of the wells come from the Memphis Sands, about 350 feet deep

Source: 2017 Collierville Water Quality Report

Contaminants Found in Collierville, TN Water Supply

(Detected above health guidelines)

Chromium (hexavalent)

Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater.

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. 

Source:  https://www.ewg.org

Potential Health Effects of Consuming These Contaminants

Health risks of Chromium (hexavalent) contaminants in excess of health guidelines

Cancer:  The health guideline of 0.02 ppb for chromium (hexavalent) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

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.

Source:  https://www.ewg.org

Contaminant Levels in Collierville, TN Compared to Other Regions

Chromium (hexavalent) 

 - Health Guideline: 0.02 ppb

 - State: 0.127 ppb

 - Collierville, TN: 0.138 ppb

  - National: 0.782 ppb

Radiological contaminants

 - N/A

Total trihalomethanes (TTHMs)

 - Health Guideline: 0.8 ppb

 - Collierville, TN: 9.05 ppb

  - National: 23.7 ppb

 - State: 26.2 ppb

Source: https://www.ewg.org


Jason Nash

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

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