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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

City of Murphy

NOTE: City of Murphy purchases water from North Texas Municipal Water District Wylie Water Treatment Plant which is required to test for chromium (hexavalent). Sample information shown below was taken by North Texas Municipal Water District Wylie Water Treatment Plant.

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. Read more about chromium (hexavalent).

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.0798 ppb660.0306 ppb - 0.139 ppb
20150.0846 ppb220.0810 ppb - 0.0882 ppb
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG 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.

ppb = parts per billion

All test results

NOTE: City of Murphy purchases water from North Texas Municipal Water District Wylie Water Treatment Plant which is required to test for chromium (hexavalent). Sample information shown below was taken by North Texas Municipal Water District Wylie Water Treatment Plant.

Date Lab ID Result