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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Slidell Water Supply

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).

 

16

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.0354 ppb86ND - 0.0610 ppb
20150.0534 ppb880.0400 ppb - 0.1000 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

Date Lab ID Result
2014-11-121411587-001B0.0480 ppb
2014-11-121411585-001B0.0380 ppb
2014-11-121411506-001BND
2014-11-121411586-001B0.0550 ppb
2014-11-121411584-001B0.0360 ppb
2014-11-121411507-001B0.0450 ppb
2014-11-121411508-001B0.0610 ppb
2014-11-121411505-001BND
2015-07-081507305-001B0.0440 ppb
2015-07-081507302-001B0.0420 ppb
2015-07-081507301-001B0.0590 ppb
2015-07-081507299-001B0.1000 ppb
2015-07-081507303-001B0.0520 ppb
2015-07-081507304-001B0.0400 ppb
2015-07-081507298-001B0.0450 ppb
2015-07-081507300-001B0.0450 ppb